diff --git a/dGame/Entity.cpp b/dGame/Entity.cpp
index 71bf23434..76e6f46c8 100644
--- a/dGame/Entity.cpp
+++ b/dGame/Entity.cpp
@@ -1537,7 +1537,10 @@ void Entity::PickupItem(const LWOOBJID& objectID) const {
 			}
 			EconomyLedger::RecordMapEvent(IEconomyLedger::eMapEvent::POWERUP_PICKUPS, info.lot, GetPosition(), 1, this);
 		} else {
-			inv->AddItem(info.lot, info.count, eLootSourceType::PICKUP, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 1);
+			// Live told the client which object the item dropped from (all 2,344 live pickups of a dropped item)
+			LootMetrics metrics{};
+			if (info.sourceLot != 0) metrics.sourceLot = info.sourceLot;
+			inv->AddItem(info.lot, info.count, eLootSourceType::PICKUP, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 1, false, -1, metrics);
 		}
 
 		droppedLoot.erase(objectID);
@@ -2118,10 +2121,12 @@ bool Entity::MsgRequestServerObjectInfo(GameMessages::RequestServerObjectInfoEve
 bool Entity::MsgDropClientLoot(GameMessages::DropClientLootEvent& event) {
 	const auto& dropLootMsg = event.msg;
 	if (dropLootMsg.item != LOT_NULL && dropLootMsg.item != 0) {
+		const auto* const source = Game::entityManager->GetEntity(dropLootMsg.sourceID);
 		Loot::Info info{
 			.id = dropLootMsg.lootID,
 			.lot = dropLootMsg.item,
 			.count = dropLootMsg.count,
+			.sourceLot = source ? source->GetLOT() : 0,
 		};
 		AddLootItem(info);
 	}
diff --git a/dGame/TradingManager.cpp b/dGame/TradingManager.cpp
index c13edbd84..938f380c0 100644
--- a/dGame/TradingManager.cpp
+++ b/dGame/TradingManager.cpp
@@ -189,7 +189,8 @@ void Trade::Complete() {
 	recordCoins(m_CoinsA, characterA->GetID(), characterB->GetID());
 	recordCoins(m_CoinsB, characterB->GetID(), characterA->GetID());
 
-	const auto giveItems = [zone](const std::vector<TradeItem>& items, InventoryComponent* from, MissionComponent* fromMissions,
+	const auto tradeId = m_TradeId;
+	const auto giveItems = [zone, tradeId](const std::vector<TradeItem>& items, InventoryComponent* from, MissionComponent* fromMissions,
 		InventoryComponent* to, const LWOOBJID fromCharacter, const LWOOBJID toCharacter) {
 		for (const auto& tradeItem : items) {
 			auto* itemToRemove = from->FindItemById(tradeItem.itemId);
@@ -204,9 +205,12 @@ void Trade::Complete() {
 			const auto bound = itemToRemove->GetBound();
 			itemToRemove->SetCount(itemToRemove->GetCount() - tradeItem.itemCount);
 			fromMissions->Progress(eMissionTaskType::GATHER, tradeItem.itemLot, LWOOBJID_EMPTY, "", -static_cast<int32_t>(tradeItem.itemCount));
+			// Live sent the trade's ID with the traded items
+			ReceiveItemOptions options{};
+			options.metrics.transactionId = tradeId;
 			const auto received = whole
-				? to->ReceiveItem(LWOOBJID_EMPTY, tradeItem.itemLot, tradeItem.itemCount, eLootSourceType::TRADE, config, subKey, bound)
-				: to->ReceiveItem(LWOOBJID_EMPTY, tradeItem.itemLot, tradeItem.itemCount, eLootSourceType::TRADE);
+				? to->ReceiveItem(LWOOBJID_EMPTY, tradeItem.itemLot, tradeItem.itemCount, eLootSourceType::TRADE, config, subKey, bound, options)
+				: to->ReceiveItem(LWOOBJID_EMPTY, tradeItem.itemLot, tradeItem.itemCount, eLootSourceType::TRADE, {}, LWOOBJID_EMPTY, false, options);
 
 			EconomyLedger::RecordTransfer({ .method = IEconomyLedger::eTransferMethod::TRADE, .itemId = tradeItem.itemId, .newItemId = received.id,
 				.lot = tradeItem.itemLot, .count = tradeItem.itemCount, .fromCharacter = fromCharacter, .toCharacter = toCharacter, .zone = zone,
diff --git a/dGame/dComponents/InventoryComponent.cpp b/dGame/dComponents/InventoryComponent.cpp
index 26aa1a871..5935c13a5 100644
--- a/dGame/dComponents/InventoryComponent.cpp
+++ b/dGame/dComponents/InventoryComponent.cpp
@@ -228,7 +228,8 @@ void InventoryComponent::AddItem(
 	const eInventoryType inventorySourceType,
 	const int32_t sourceType,
 	const bool bound,
-	int32_t preferredSlot) {
+	int32_t preferredSlot,
+	const LootMetrics& metrics) {
 	if (count == 0) {
 		LOG("Attempted to add 0 of item (%i) to the inventory!", lot);
 
@@ -262,7 +263,7 @@ void InventoryComponent::AddItem(
 			return;
 		}
 
-		auto* item = new Item(lot, inventory, slot, count, config, parent, showFlyingLoot, isModMoveAndEquip, subKey, bound, lootSourceType);
+		auto* item = new Item(lot, inventory, slot, count, config, parent, showFlyingLoot, isModMoveAndEquip, subKey, bound, lootSourceType, metrics);
 
 		if (missions != nullptr && !IsTransferInventory(inventoryType)) {
 			missions->Progress(eMissionTaskType::GATHER, lot, LWOOBJID_EMPTY, "", count, IsTransferInventory(inventorySourceType));
@@ -295,7 +296,7 @@ void InventoryComponent::AddItem(
 
 		left -= delta;
 
-		existing->SetCount(existing->GetCount() + delta, false, true, showFlyingLoot, lootSourceType);
+		existing->SetCount(existing->GetCount() + delta, false, true, showFlyingLoot, lootSourceType, metrics);
 
 		if (isModMoveAndEquip) {
 			existing->Equip();
@@ -348,7 +349,7 @@ void InventoryComponent::AddItem(
 
 			continue;
 		}
-		auto* item = new Item(lot, inventory, slot, size, {}, parent, showFlyingLoot, isModMoveAndEquip, subKey, false, lootSourceType);
+		auto* item = new Item(lot, inventory, slot, size, {}, parent, showFlyingLoot, isModMoveAndEquip, subKey, false, lootSourceType, metrics);
 
 		isModMoveAndEquip = false;
 	}
@@ -374,6 +375,7 @@ ReceivedItem InventoryComponent::ReceiveItem(const LWOOBJID id, const LOT lot, c
 		GameMessages::AddItemToInventoryClientSync addItem;
 		addItem.target = m_Parent->GetObjectID();
 		addItem.SetItem(*item);
+		addItem.AddMetrics(options.metrics);
 		addItem.eLootTypeSource = lootSourceType;
 		addItem.iSubkey = subKey;
 		addItem.itemCount = static_cast<int>(count);
@@ -398,7 +400,7 @@ ReceivedItem InventoryComponent::ReceiveItem(const LWOOBJID id, const LOT lot, c
 	for (const auto& [itemId, item] : inventory->GetItems()) {
 		if (item->GetLot() == lot) before[itemId] = item->GetCount();
 	}
-	AddItem(lot, count, lootSourceType, inventoryType, config, LWOOBJID_EMPTY, options.showFlyingLoot, options.equip, subKey, options.sourceInventory, 0, bound, options.preferredSlot);
+	AddItem(lot, count, lootSourceType, inventoryType, config, LWOOBJID_EMPTY, options.showFlyingLoot, options.equip, subKey, options.sourceInventory, 0, bound, options.preferredSlot, options.metrics);
 
 	LWOOBJID receivedBy = LWOOBJID_EMPTY;
 	int64_t largestGain = 0;
@@ -420,7 +422,7 @@ bool InventoryComponent::IsUniqueLot(const LOT lot) {
 	return !isBrick && info.stackSize <= 1;
 }
 
-bool InventoryComponent::RemoveItem(const LOT lot, const uint32_t count, eInventoryType inventoryType, const bool ignoreBound, const bool silent) {
+bool InventoryComponent::RemoveItem(const LOT lot, const uint32_t count, eInventoryType inventoryType, const bool ignoreBound, const bool silent, const ItemRemovalSource& removalSource) {
 	if (count == 0) {
 		LOG("Attempted to remove 0 of item (%i) from the inventory!", lot);
 		return false;
@@ -437,7 +439,7 @@ bool InventoryComponent::RemoveItem(const LOT lot, const uint32_t count, eInvent
 			auto* item = FindItemByLot(lot, inventoryType, false, ignoreBound);
 			if (!item) break;
 			const auto delta = std::min<uint32_t>(left, item->GetCount());
-			item->SetCount(item->GetCount() - delta, silent);
+			item->SetCount(item->GetCount() - delta, silent, true, true, eLootSourceType::NONE, {}, removalSource);
 			left -= delta;
 		}
 		return true;
@@ -448,7 +450,7 @@ bool InventoryComponent::RemoveItem(const LOT lot, const uint32_t count, eInvent
 				auto* item = inventory->FindItemByLot(lot, false, ignoreBound);
 				if (!item) break;
 				const auto delta = std::min<uint32_t>(item->GetCount(), left);
-				item->SetCount(item->GetCount() - delta, silent);
+				item->SetCount(item->GetCount() - delta, silent, true, true, eLootSourceType::NONE, {}, removalSource);
 				left -= delta;
 			}
 		}
diff --git a/dGame/dComponents/InventoryComponent.h b/dGame/dComponents/InventoryComponent.h
index 202399065..5a452a796 100644
--- a/dGame/dComponents/InventoryComponent.h
+++ b/dGame/dComponents/InventoryComponent.h
@@ -23,6 +23,7 @@
 #include "eReplicaComponentType.h"
 #include "eLootSourceType.h"
 #include "Loot.h"
+#include "LootMetrics.h"
 
 class Entity;
 class ItemSet;
@@ -57,6 +58,7 @@ struct ReceiveItemOptions {
 	bool equip = false;
 	int32_t preferredSlot = -1;
 	eInventoryType sourceInventory = INVALID;  // set when moving between the player's own inventories
+	LootMetrics metrics{};                     // where the items came from, sent with them (e.g. the mail or trade ID)
 };
 
 // Which item or stack ReceiveItem put the items in
@@ -153,6 +155,7 @@ public:
 	 * @param bound whether this item is bound
 	 * @param preferredSlot the preferred slot to store this item
 	 * @param lootSourceType The source of the loot.  Defaults to none.
+	 * @param metrics where the items came from (source LOT, mission, activity...), sent with them and not kept
 	 */
 	void AddItem(
 		LOT lot,
@@ -167,7 +170,8 @@ public:
 		eInventoryType inventorySourceType = INVALID,
 		int32_t sourceType = 0,
 		bool bound = false,
-		int32_t preferredSlot = -1
+		int32_t preferredSlot = -1,
+		const LootMetrics& metrics = {}
 	);
 
 	/**
@@ -190,8 +194,9 @@ public:
 	 * @param inventoryType optional inventory type to remove the item from
 	 * @param ignoreBound ignores bound items
 	 * @param silent silently remove the item
+	 * @param removalSource what took the items, sent with the removal (e.g. a quickbuild taking its item cost)
 	 */
-	bool RemoveItem(LOT lot, uint32_t count, eInventoryType inventoryType = INVALID, bool ignoreBound = false, bool silent = false);
+	bool RemoveItem(LOT lot, uint32_t count, eInventoryType inventoryType = INVALID, bool ignoreBound = false, bool silent = false, const ItemRemovalSource& removalSource = {});
 
 	/**
 	 * Moves an existing item to an inventory of the entity
diff --git a/dGame/dComponents/MovementAIComponent.cpp b/dGame/dComponents/MovementAIComponent.cpp
index e56d42757..ca392dacb 100644
--- a/dGame/dComponents/MovementAIComponent.cpp
+++ b/dGame/dComponents/MovementAIComponent.cpp
@@ -464,8 +464,11 @@ void MovementAIComponent::SetDestination(const NiPoint3 destination) {
 
 	// The path is walked without collision, so an enemy's stops at walls it can't cross (navmesh carvers, enemy only
 	// blockers); with nothing left to walk it stays where it is. A patrol along its level path is left as designed.
+	// Pets are walked here too, and their group (3) is the one the pet ranch's "PR - Pet Blocker" (group 18) touches:
+	// the client's filter lets pets collide with it and players through.
 	const bool patrolling = m_Path && m_BaseCombatAI && m_BaseCombatAI->GetState() == AiState::idle;
-	if (m_BaseCombatAI && !patrolling) {
+	const bool isPet = m_Parent->HasComponent(eReplicaComponentType::PET);
+	if ((m_BaseCombatAI && !patrolling) || isPet) {
 		computedPath = dpWorld::ClampPath(m_Parent->GetPosition(), std::move(computedPath), static_cast<uint32_t>(m_Parent->GetCollisionGroup()));
 		if (computedPath.empty()) computedPath.push_back(m_Parent->GetPosition());
 	}
diff --git a/dGame/dComponents/PhysicsComponent.cpp b/dGame/dComponents/PhysicsComponent.cpp
index cbdf4e1f6..0e4aa5fec 100644
--- a/dGame/dComponents/PhysicsComponent.cpp
+++ b/dGame/dComponents/PhysicsComponent.cpp
@@ -2,6 +2,8 @@
 
 #include <algorithm>
 #include <cctype>
+#include <map>
+#include <string>
 
 #include "eReplicaComponentType.h"
 #include "NiPoint3.h"
@@ -21,6 +23,30 @@
 #include "Entity.h"
 #include "Logger.h"
 
+namespace {
+	struct KnownBox {
+		NiPoint3 size;   // width (x), height (y, up from the base) and depth (z)
+		NiPoint3 offset; // where the box's base centre is, from the object's position in its own axes, before scaling
+	};
+
+	/**
+	 * Assets whose collision the server stands in for with a box: the bounds of all the parts of the asset's collision
+	 * shape in the client's physics files (res/physics), by file name in lower case. They are the navmesh carvers of
+	 * Robot City (hedges, greebles, robot statues) and the Ninjago Monastery (benches).
+	 * The hedge corner is an L: its box also covers the inside of the corner.
+	 */
+	const std::map<std::string, KnownBox> KNOWN_BOXES = {
+		{ "env_won_nim_bush_square-section.hkx", { { 4.3949f, 4.9645f, 9.0341f }, { -0.0343f, 0.0004f, -0.0527f } } },
+		{ "env_won_nim_bush_square-corner.hkx", { { 9.1824f, 4.7916f, 9.7440f }, { -1.0403f, 0.2150f, 1.0503f } } },
+		{ "env_nim_ag_bushinpot.hkx", { { 5.4603f, 5.7094f, 11.4660f }, { 0.1707f, -0.2426f, 0.5737f } } },
+		{ "greeble_001w.hkx", { { 3.18f, 1.90f, 3.18f }, { 0.0f, 0.01f, 0.0f } } },
+		{ "greeble_002w.hkx", { { 2.38f, 1.907f, 1.5802f }, { -0.4f, 0.01f, 0.0001f } } },
+		{ "robot_statue_01.hkx", { { 1.8642f, 3.1844f, 1.67f }, { 0.4f, 0.01f, -0.275f } } },
+		{ "robot_statue_02.hkx", { { 3.0994f, 4.1242f, 1.9228f }, { 0.0165f, 0.0117f, 0.0967f } } },
+		{ "env_won_gnar_ninja-bench.hkx", { { 6.4f, 0.9796f, 1.6f }, { 0.0f, -0.0052f, 0.0005f } } },
+	};
+}
+
 PhysicsComponent::PhysicsComponent(Entity* parent, const int32_t componentID) : Component(parent, componentID) {
 	m_Position = NiPoint3Constant::ZERO;
 	m_Rotation = QuatUtils::IDENTITY;
@@ -71,6 +97,56 @@ void PhysicsComponent::RegisterMovementBlocker(const eReplicaComponentType type,
 	dpWorld::AddMovementBlocker(m_MovementBlocker, *filter);
 }
 
+namespace {
+	bool SettingIsTrue(const LwoNameValue& settings, const std::u16string& key) {
+		const auto it = settings.find(key);
+		return it != settings.end() && it->second && GeneralUtils::TryParse<int32_t>(it->second->GetValueAsString()).value_or(0) != 0;
+	}
+}
+
+bool PhysicsComponent::IsCarverOnly(const LwoNameValue& settings) {
+	return SettingIsTrue(settings, u"carver_only");
+}
+
+bool PhysicsComponent::AddLevelMovementBlocker(const LWOOBJID id, const LOT lot, const LwoNameValue& settings, const NiPoint3& position, const NiQuaternion& rotation, const float scale) {
+	auto* const registry = CDClientManager::GetTable<CDComponentsRegistryTable>();
+	auto* const physicsTable = CDClientManager::GetTable<CDPhysicsComponentTable>();
+
+	// The physics component it would have: fixed simple physics is solid (no level object of this kind moves), a
+	// phantom volume is not
+	for (const auto type : { eReplicaComponentType::SIMPLE_PHYSICS, eReplicaComponentType::PHANTOM_PHYSICS }) {
+		const auto componentID = registry->GetByIDAndType(lot, type, -1);
+		if (componentID == -1) continue;
+
+		int32_t collisionGroup = 0;
+		if (const auto* const info = physicsTable->GetByID(componentID)) collisionGroup = info->collisionGroup;
+		if (const auto it = settings.find(u"CollisionGroupID"); it != settings.end() && it->second) {
+			collisionGroup = GeneralUtils::TryParse<int32_t>(it->second->GetValueAsString()).value_or(collisionGroup);
+		}
+
+		const bool solid = type == eReplicaComponentType::SIMPLE_PHYSICS;
+		const auto filter = dpMovementBlockers::BlockingFilter(SettingIsTrue(settings, u"navmesh_carver"), solid, static_cast<uint32_t>(collisionGroup));
+		if (!filter) return false;
+
+		auto shapePosition = position;
+		bool isFallback = false;
+		auto* const blocker = CreateAssetShape(id, lot, type, collisionGroup, scale, rotation, shapePosition, &isFallback);
+		if (!blocker) return false;
+		if (isFallback) {
+			LOG_DEBUG("%llu (LOT %i) should block movement, but the server doesn't know its shape", id, lot);
+			delete blocker;
+			return false;
+		}
+
+		blocker->SetScale(scale);
+		blocker->SetRotation(rotation);
+		blocker->SetPosition(shapePosition);
+		dpWorld::AddOwnedMovementBlocker(blocker, *filter);
+		return true;
+	}
+	return false;
+}
+
 bool PhysicsComponent::OnGetPosition(GameMessages::GetPosition& msg) {
 	msg.pos = GetPosition();
 	return true;
@@ -91,9 +167,13 @@ void PhysicsComponent::Serialize(RakNet::BitStream& outBitStream, bool bIsInitia
 }
 
 dpEntity* PhysicsComponent::CreatePhysicsEntity(eReplicaComponentType type, bool* isFallback) {
+	return CreateAssetShape(m_Parent->GetObjectID(), m_Parent->GetLOT(), type, m_CollisionGroup, m_Parent->GetDefaultScale(), m_Rotation, m_Position, isFallback);
+}
+
+dpEntity* PhysicsComponent::CreateAssetShape(const LWOOBJID id, const LOT lot, const eReplicaComponentType type, const int32_t collisionGroup, const float scale, const NiQuaternion& rotation, NiPoint3& position, bool* isFallback) {
 	if (isFallback) *isFallback = false;
 	CDComponentsRegistryTable* compRegistryTable = CDClientManager::GetTable<CDComponentsRegistryTable>();
-	auto componentID = compRegistryTable->GetByIDAndType(m_Parent->GetLOT(), type);
+	auto componentID = compRegistryTable->GetByIDAndType(lot, type);
 
 	CDPhysicsComponentTable* physComp = CDClientManager::GetTable<CDPhysicsComponentTable>();
 
@@ -109,51 +189,55 @@ dpEntity* PhysicsComponent::CreatePhysicsEntity(eReplicaComponentType type, bool
 
 	dpEntity* toReturn;
 	if (info->physicsAsset == "miscellaneous\\misc_phys_10x1x5.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 10.0f, 5.0f, 1.0f);
+		toReturn = new dpEntity(id, 10.0f, 5.0f, 1.0f);
 	} else if (info->physicsAsset == "miscellaneous\\misc_phys_640x640.hkx") {
 		// TODO Fix physics simulation to do simulation at high velocities due to bullet through paper problem...
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 1638.4f, 13.521004f * 2.0f, 1638.4f);
+		toReturn = new dpEntity(id, 1638.4f, 13.521004f * 2.0f, 1638.4f);
 
 		// Move this down by 13.521004 units so it is still effectively at the same height as before
-		m_Position = m_Position - NiPoint3Constant::UNIT_Y * 13.521004f;
+		position = position - NiPoint3Constant::UNIT_Y * 13.521004f;
 	} else if (info->physicsAsset == "env\\trigger_wall_tall.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 10.0f, 25.0f, 1.0f);
+		toReturn = new dpEntity(id, 10.0f, 25.0f, 1.0f);
 	} else if (info->physicsAsset == "env\\env_gen_placeholderphysics.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 20.0f, 20.0f, 20.0f);
+		toReturn = new dpEntity(id, 20.0f, 20.0f, 20.0f);
 	} else if (assetFile == "poi_trigger_wall.hkx") {
 		// test\POI_trigger_wall.hkx in the CDClient (e.g. "Clear threat list Trigger Wall"), env\ in the client's files:
 		// a box 1 wide, 12.98 tall from its base and 20.45 deep
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 1.0f, 12.9755f, 20.45f);
+		toReturn = new dpEntity(id, 1.0f, 12.9755f, 20.45f);
 	} else if (assetFile == "trigger_rectangle_box.hkx") {
 		// "Trigger Rectangle Box": a box 8 wide, 8 tall from its base and 4 deep
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 8.0f, 8.0f, 4.0f);
+		toReturn = new dpEntity(id, 8.0f, 8.0f, 4.0f);
 	} else if (info->physicsAsset == "env\\NG_NinjaGo\\env_ng_gen_gate_chamber_puzzle_ceiling_tile_falling_phantom.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 18.0f, 5.0f, 15.0f);
-		m_Position += QuatUtils::Forward(m_Rotation) * 7.5f;
+		toReturn = new dpEntity(id, 18.0f, 5.0f, 15.0f);
+		position += QuatUtils::Forward(rotation) * 7.5f;
 	} else if (info->physicsAsset == "env\\NG_NinjaGo\\ng_flamejet_brick_phantom.HKX") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 1.0f, 1.0f, 12.0f);
-		m_Position += QuatUtils::Forward(m_Rotation) * 6.0f;
+		toReturn = new dpEntity(id, 1.0f, 1.0f, 12.0f);
+		position += QuatUtils::Forward(rotation) * 6.0f;
 	} else if (info->physicsAsset == "env\\Ring_Trigger.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 6.0f, 6.0f, 6.0f);
+		toReturn = new dpEntity(id, 6.0f, 6.0f, 6.0f);
 	} else if (info->physicsAsset == "env\\vfx_propertyImaginationBall.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 4.5f);
+		toReturn = new dpEntity(id, 4.5f);
 	} else if (info->physicsAsset == "env\\env_won_fv_gas-blocking-volume.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 390.496826f, 111.467964f, 600.821534f, true);
-		m_Position.y -= (111.467964f * m_Parent->GetDefaultScale()) / 2;
+		toReturn = new dpEntity(id, 390.496826f, 111.467964f, 600.821534f, true);
+		position.y -= (111.467964f * scale) / 2;
 		// Leaving these out for now since they cause more issues than they solve in racing tracks without proper OBB checks.
 	} /* else if (info->physicsAsset == "env\\GFTrack_DeathVolume1_CaveExit.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 112.416870f, 50.363434f, 87.679268f);
+		toReturn = new dpEntity(id, 112.416870f, 50.363434f, 87.679268f);
 	} else if (info->physicsAsset == "env\\GFTrack_DeathVolume2_RoadGaps.hkx") {
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 48.386536f, 50.363434f, 259.361755f);
-	} */ else {
+		toReturn = new dpEntity(id, 48.386536f, 50.363434f, 259.361755f);
+	} */ else if (const auto known = KNOWN_BOXES.find(assetFile); known != KNOWN_BOXES.end()) {
+		const auto& [size, offset] = known->second;
+		toReturn = new dpEntity(id, size.x, size.y, size.z);
+		position += (QuatUtils::Right(rotation) * offset.x + QuatUtils::Up(rotation) * offset.y + QuatUtils::Forward(rotation) * offset.z) * scale;
+	} else {
 	// LOG_DEBUG("This one is supposed to have %s", info->physicsAsset.c_str());
 
 	//add fallback cube:
-		toReturn = new dpEntity(m_Parent->GetObjectID(), 2.0f, 2.0f, 2.0f);
+		toReturn = new dpEntity(id, 2.0f, 2.0f, 2.0f);
 		if (isFallback) *isFallback = true;
 	}
 	// Only touch what the client lets this group touch (e.g. POI walls ignore enemies, threat clearing walls ignore players)
-	toReturn->SetCollisionGroup(static_cast<uint32_t>(m_CollisionGroup));
+	toReturn->SetCollisionGroup(static_cast<uint32_t>(collisionGroup));
 	return toReturn;
 }
 
diff --git a/dGame/dComponents/PhysicsComponent.h b/dGame/dComponents/PhysicsComponent.h
index 18dd793c9..ca6c30185 100644
--- a/dGame/dComponents/PhysicsComponent.h
+++ b/dGame/dComponents/PhysicsComponent.h
@@ -4,6 +4,9 @@
 #include "Component.h"
 #include "NiPoint3.h"
 #include "NiQuaternion.h"
+#include "dCommonVars.h"
+
+struct LwoNameValue;
 
 namespace GameMessages {
 	struct GetObjectReportInfo;
@@ -33,12 +36,33 @@ public:
 
 	int32_t GetCollisionGroup() const noexcept { return m_CollisionGroup; }
 	void SetCollisionGroup(int32_t group) noexcept { m_CollisionGroup = group; }
+
+	/**
+	 * Whether a level object is carver_only, which the client never loads (LWOResMgr2Interface::Run skips its load
+	 * when its config has carver_only set; LWOBasePhysComponent::LoadConfigData 0x00c495c9 reads it next to
+	 * navmesh_carver). Live never sent one.
+	 */
+	[[nodiscard]] static bool IsCarverOnly(const LwoNameValue& settings);
+
+	/**
+	 * For a level object the server doesn't spawn (carver_only): adds its shape to the world's movement blockers, the
+	 * way its physics component would have (RegisterMovementBlocker), owned by the world.
+	 * @return whether it blocks movement (its data makes it a wall and the server knows its shape)
+	 */
+	static bool AddLevelMovementBlocker(LWOOBJID id, LOT lot, const LwoNameValue& settings, const NiPoint3& position, const NiQuaternion& rotation, float scale);
 protected:
 	bool OnGetObjectReportInfo(GameMessages::GetObjectReportInfo& msg);
 
 	// isFallback, when given, says whether the asset had no known shape and got a stand in cube
 	dpEntity* CreatePhysicsEntity(eReplicaComponentType type, bool* isFallback = nullptr);
 
+	/**
+	 * The shape of the physics asset of a LOT's physics component of the given type, for an object placed with this
+	 * scale and rotation, or nullptr when it has none. Some shapes move position (in and out) to line up with the
+	 * client's. isFallback, when given, says whether the asset had no known shape and got a stand in cube.
+	 */
+	static dpEntity* CreateAssetShape(LWOOBJID id, LOT lot, eReplicaComponentType type, int32_t collisionGroup, float scale, const NiQuaternion& rotation, NiPoint3& position, bool* isFallback = nullptr);
+
 	/**
 	 * Makes this object a wall the server's movers can't walk through when its data says it is one
 	 * (dpMovementBlockers::BlockingFilter: a navmesh carver, or a solid object only enemies collide with). Only
diff --git a/dGame/dComponents/QuickBuildComponent.cpp b/dGame/dComponents/QuickBuildComponent.cpp
index f607cb924..aa52e4867 100644
--- a/dGame/dComponents/QuickBuildComponent.cpp
+++ b/dGame/dComponents/QuickBuildComponent.cpp
@@ -664,9 +664,11 @@ void QuickBuildComponent::TakeItemCosts(Entity& user) {
 	if (!inventoryComponent) return;
 
 	// Live took the precondition items (for example the FV Stone Warrior pedestal's 5 Maelstrom Infected Bricks)
-	// when the build started and gave them back when it was cancelled
+	// when the build started and gave them back when it was cancelled. The removal names the quickbuild as its loot
+	// source (Quickbuild, the quickbuild's object ID), as live's did.
+	const ItemRemovalSource removalSource{ eLootSourceType::QUICKBUILD, m_Parent->GetObjectID() };
 	for (const auto& cost : m_Precondition->GetItemCosts(&user)) {
-		if (inventoryComponent->RemoveItem(cost.lot, cost.count, eInventoryType::ALL)) m_TakenItems.push_back(cost);
+		if (inventoryComponent->RemoveItem(cost.lot, cost.count, eInventoryType::ALL, false, false, removalSource)) m_TakenItems.push_back(cost);
 	}
 	if (!m_TakenItems.empty()) m_TakenItemsFrom = user.GetObjectID();
 }
diff --git a/dGame/dComponents/VendorComponent.cpp b/dGame/dComponents/VendorComponent.cpp
index 131594019..554e7b2eb 100644
--- a/dGame/dComponents/VendorComponent.cpp
+++ b/dGame/dComponents/VendorComponent.cpp
@@ -208,7 +208,11 @@ void VendorComponent::Buy(Entity* buyer, LOT lot, uint32_t count) {
 	}
 
 	character->SetCoins(character->GetCoins() - (coinCost), eLootSourceType::VENDOR, CoinSource::Object(*m_Parent));
-	inventoryComponent->AddItem(lot, count, eLootSourceType::VENDOR);
+	// Live sent the vendor's LOT, and the coins paid when there were any, with the bought items
+	LootMetrics metrics{};
+	metrics.sourceLot = m_Parent->GetLOT();
+	if (coinCost > 0) metrics.currencyDelta = -static_cast<int32_t>(coinCost);
+	inventoryComponent->AddItem(lot, count, eLootSourceType::VENDOR, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 0, false, -1, metrics);
 	SendTransactionResult(buyer->GetObjectID(), buyer->GetSystemAddress(), eVendorTransactionResult::PURCHASE_SUCCESS);
 }
 
diff --git a/dGame/dGameMessages/InventoryMessages.cpp b/dGame/dGameMessages/InventoryMessages.cpp
index 83fbf5693..593895b53 100644
--- a/dGame/dGameMessages/InventoryMessages.cpp
+++ b/dGame/dGameMessages/InventoryMessages.cpp
@@ -9,6 +9,7 @@
 #include "Inventory.h"
 #include "InventoryComponent.h"
 #include "Item.h"
+#include "LootMetrics.h"
 #include "BrickByBrick.h"
 
 #include <ranges>
@@ -53,6 +54,13 @@ namespace GameMessages {
 		slotID = item.GetSlot();
 	}
 
+	void AddItemToInventoryClientSync::AddMetrics(const LootMetrics& metrics) {
+		const auto text = metrics.ToExtraInfo();
+		if (text.empty()) return;
+		if (!extraInfo.empty()) extraInfo += u',';
+		extraInfo += text;
+	}
+
 	void AddItemToInventoryClientSync::Serialize(RakNet::BitStream& bitStream) const {
 		bitStream.Write(bBound);
 		bitStream.Write(bIsBOE);
diff --git a/dGame/dGameMessages/InventoryMessages.h b/dGame/dGameMessages/InventoryMessages.h
index ad6e7925d..4b17b7142 100644
--- a/dGame/dGameMessages/InventoryMessages.h
+++ b/dGame/dGameMessages/InventoryMessages.h
@@ -17,6 +17,8 @@ class Item;
 // and groups.
 // Field names follow the client (legouniverse.exe 1.10.64); fields are listed in wire order.
 // Received messages are handled by the target's InventoryComponent.
+struct LootMetrics;
+
 namespace GameMessages {
 	// Server -> client.
 	struct AddItemToInventoryClientSync : public NetGameMsg {
@@ -28,6 +30,9 @@ namespace GameMessages {
 		// slot). The caller sets the rest.
 		void SetItem(const Item& item);
 
+		// Adds where the items came from (LootMetrics) to the extra info, after the item's config
+		void AddMetrics(const LootMetrics& metrics);
+
 		bool bBound{};
 		bool bIsBOE{};
 		bool bIsBOP{};
diff --git a/dGame/dInventory/CMakeLists.txt b/dGame/dInventory/CMakeLists.txt
index cefc57e22..bd27b47af 100644
--- a/dGame/dInventory/CMakeLists.txt
+++ b/dGame/dInventory/CMakeLists.txt
@@ -3,7 +3,8 @@ set(DGAME_DINVENTORY_SOURCES
 	"Inventory.cpp"
 	"Item.cpp"
 	"ItemSet.cpp"
-	"ItemSetPassiveAbility.cpp")
+	"ItemSetPassiveAbility.cpp"
+	"LootMetrics.cpp")
 
 add_library(dInventory OBJECT ${DGAME_DINVENTORY_SOURCES})
 target_include_directories(dInventory PUBLIC "."
diff --git a/dGame/dInventory/Item.cpp b/dGame/dInventory/Item.cpp
index 4a90955ab..eeb75ef47 100644
--- a/dGame/dInventory/Item.cpp
+++ b/dGame/dInventory/Item.cpp
@@ -82,7 +82,8 @@ Item::Item(
 	bool isModMoveAndEquip,
 	LWOOBJID subKey,
 	bool bound,
-	eLootSourceType lootSourceType) {
+	eLootSourceType lootSourceType,
+	const LootMetrics& metrics) {
 	if (!Inventory::IsValidItem(lot)) {
 		return;
 	}
@@ -113,6 +114,7 @@ Item::Item(
 	GameMessages::AddItemToInventoryClientSync addItem;
 	addItem.target = entity->GetObjectID();
 	addItem.SetItem(*this);
+	addItem.AddMetrics(metrics);
 	addItem.eLootTypeSource = lootSourceType;
 	addItem.iSubkey = subKey;
 	addItem.itemCount = static_cast<int>(this->count);
@@ -178,7 +180,7 @@ PreconditionExpression* Item::GetPreconditionExpression() const {
 	return preconditions;
 }
 
-void Item::SetCount(const uint32_t value, const bool silent, const bool disassemble, const bool showFlyingLoot, eLootSourceType lootSourceType) {
+void Item::SetCount(const uint32_t value, const bool silent, const bool disassemble, const bool showFlyingLoot, eLootSourceType lootSourceType, const LootMetrics& metrics, const ItemRemovalSource& removalSource) {
 	if (value == count) {
 		return;
 	}
@@ -202,6 +204,7 @@ void Item::SetCount(const uint32_t value, const bool silent, const bool disassem
 			GameMessages::AddItemToInventoryClientSync addItem;
 			addItem.target = entity->GetObjectID();
 			addItem.SetItem(*this);
+			addItem.AddMetrics(metrics);
 			addItem.eLootTypeSource = lootSourceType;
 			addItem.itemCount = delta;
 			addItem.newObjID = id;
@@ -213,7 +216,8 @@ void Item::SetCount(const uint32_t value, const bool silent, const bool disassem
 			removeItem.target = entity->GetObjectID();
 			removeItem.bConfirmed = true;
 			removeItem.eInvType = inventory->GetType();
-			removeItem.eLootTypeSource = LOOTTYPE_NONE;
+			removeItem.eLootTypeSource = static_cast<int32_t>(removalSource.type);
+			removeItem.iLootTypeSource = removalSource.object;
 			removeItem.iObjID = id;
 			removeItem.iObjTemplate = lot;
 			removeItem.iStackCount = delta;
diff --git a/dGame/dInventory/Item.h b/dGame/dInventory/Item.h
index baccf28fb..8aedde8e9 100644
--- a/dGame/dInventory/Item.h
+++ b/dGame/dInventory/Item.h
@@ -8,6 +8,7 @@
 #include "Preconditions.h"
 #include "eInventoryType.h"
 #include "eLootSourceType.h"
+#include "LootMetrics.h"
 
 namespace tinyxml2 {
 	class XMLElement;
@@ -58,6 +59,7 @@ public:
 	 * @param isModMoveAndEquip equips the item
 	 * @param subKey optional subkey for this item, e.g. for pets
 	 * @param bound if the item should be bound
+	 * @param metrics where the items came from, sent with the item (not kept)
 	 */
 	explicit Item(
 		LOT lot,
@@ -70,7 +72,8 @@ public:
 		bool isModMoveAndEquip = false,
 		LWOOBJID subKey = LWOOBJID_EMPTY,
 		bool bound = false,
-		eLootSourceType lootSourceType = eLootSourceType::NONE
+		eLootSourceType lootSourceType = eLootSourceType::NONE,
+		const LootMetrics& metrics = {}
 	);
 
 	~Item();
@@ -93,8 +96,10 @@ public:
 	 * @param silent if true, the client will not be notified of the change with GMs
 	 * @param disassemble if items were removed, this returns all the sub parts of the item individually if it had assembly part lots
 	 * @param showFlyingLoot shows flying loot to the client, if not silent
+	 * @param metrics where added items came from, sent with them (not kept)
+	 * @param removalSource what took removed items away, sent with the removal
 	 */
-	void SetCount(uint32_t value, bool silent = false, bool disassemble = true, bool showFlyingLoot = true, eLootSourceType lootSourceType = eLootSourceType::NONE);
+	void SetCount(uint32_t value, bool silent = false, bool disassemble = true, bool showFlyingLoot = true, eLootSourceType lootSourceType = eLootSourceType::NONE, const LootMetrics& metrics = {}, const ItemRemovalSource& removalSource = {});
 
 	/**
 	 * Returns the number of items this item represents (e.g. for stacks)
diff --git a/dGame/dInventory/LootMetrics.cpp b/dGame/dInventory/LootMetrics.cpp
new file mode 100644
index 000000000..5e4c7aaa3
--- /dev/null
+++ b/dGame/dInventory/LootMetrics.cpp
@@ -0,0 +1,27 @@
+#include "LootMetrics.h"
+
+#include "LDFFormat.h"
+
+namespace {
+	template<typename T>
+	void Append(std::u16string& out, const char16_t* key, const std::optional<T>& value) {
+		if (!value) return;
+		if (!out.empty()) out += u',';
+		out += GeneralUtils::ASCIIToUTF16(LDFData<T>(key, *value).GetString());
+	}
+}
+
+bool LootMetrics::Empty() const {
+	return !sourceLot && !missionId && !activityId && !currencyDelta && !mailId && !transactionId;
+}
+
+std::u16string LootMetrics::ToExtraInfo() const {
+	std::u16string out;
+	Append<int32_t>(out, u"_Metric_Souce_LOT_Int", sourceLot);
+	Append<int32_t>(out, u"_Metric_Mission_ID_Int", missionId);
+	Append<int32_t>(out, u"_Metric_Activity_ID_Int", activityId);
+	Append<int32_t>(out, u"_Metric_Currency_Delta_Int", currencyDelta);
+	Append<uint64_t>(out, u"_Metric_Mail_ID_Int64", mailId);
+	Append<LWOOBJID>(out, u"_Metric_Transaction_ID_Int64", transactionId);
+	return out;
+}
diff --git a/dGame/dInventory/LootMetrics.h b/dGame/dInventory/LootMetrics.h
new file mode 100644
index 000000000..331dce257
--- /dev/null
+++ b/dGame/dInventory/LootMetrics.h
@@ -0,0 +1,39 @@
+#pragma once
+
+#include <cstdint>
+#include <optional>
+#include <string>
+
+#include "dCommonVars.h"
+#include "eLootSourceType.h"
+
+/**
+ * Where added items came from, as live servers put it in the extra info of AddItemToInventoryClientSync next to the
+ * item's own config. Only the message carries these keys; the item does not keep them.
+ * Live: a picked up drop had _Metric_Souce_LOT_Int (the source object's LOT, 1 for a player sourced
+ * drop) on all 2,344 pickups of a DropClientLoot; mission and achievement rewards the mission ID and source LOT 1;
+ * activity rewards the activity ID and the activity object's LOT; vendor purchases the vendor's LOT and the coins paid
+ * (negative); mail the mail ID; trades the trade ID. Package contents had none.
+ */
+struct LootMetrics {
+	std::optional<LOT> sourceLot;          // _Metric_Souce_LOT_Int (the key is misspelt in live's data)
+	std::optional<int32_t> missionId;      // _Metric_Mission_ID_Int
+	std::optional<int32_t> activityId;     // _Metric_Activity_ID_Int
+	std::optional<int32_t> currencyDelta;  // _Metric_Currency_Delta_Int
+	std::optional<uint64_t> mailId;        // _Metric_Mail_ID_Int64, name value type 8
+	std::optional<LWOOBJID> transactionId; // _Metric_Transaction_ID_Int64, name value type 9
+
+	[[nodiscard]] bool Empty() const;
+
+	/**
+	 * The keys as name value text (key=type:value), comma separated like an item's config in the extra info.
+	 * Empty when there are none.
+	 */
+	[[nodiscard]] std::u16string ToExtraInfo() const;
+};
+
+// What took items away, for RemoveItemFromInventory's loot source fields (e.g. a quickbuild taking its item cost)
+struct ItemRemovalSource {
+	eLootSourceType type = eLootSourceType::NONE;
+	LWOOBJID object = LWOOBJID_EMPTY;
+};
diff --git a/dGame/dMission/Mission.cpp b/dGame/dMission/Mission.cpp
index c9e3e2c96..8f5a6a9ef 100644
--- a/dGame/dMission/Mission.cpp
+++ b/dGame/dMission/Mission.cpp
@@ -510,6 +510,11 @@ void Mission::YieldRewards() {
 		}
 	}
 
+	// Live sent the mission's ID and the player's LOT with each reward item (225 of 225 live mission and achievement rewards)
+	LootMetrics rewardMetrics{};
+	rewardMetrics.sourceLot = entity->GetLOT();
+	rewardMetrics.missionId = static_cast<int32_t>(info.id);
+
 	if (m_Completions > 0) {
 		std::vector<std::pair<LOT, uint32_t>> items;
 
@@ -528,7 +533,7 @@ void Mission::YieldRewards() {
 			// If a mission rewards zero of an item, make it reward 1.
 			auto count = pair.second > 0 ? pair.second : 1;
 			LOG("Player %llu is receiving %i of item %i from repeatable mission %i", entity->GetObjectID(), count, pair.first, info.id);
-			inventoryComponent->AddItem(pair.first, count, IsMission() ? eLootSourceType::MISSION : eLootSourceType::ACHIEVEMENT);
+			inventoryComponent->AddItem(pair.first, count, IsMission() ? eLootSourceType::MISSION : eLootSourceType::ACHIEVEMENT, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 0, false, -1, rewardMetrics);
 		}
 
 		if (info.reward_currency_repeatable > 0 || coinsToSend > 0) {
@@ -556,7 +561,7 @@ void Mission::YieldRewards() {
 		// If a mission rewards zero of an item, make it reward 1.
 		auto count = pair.second > 0 ? pair.second : 1;
 		LOG("Player %llu is receiving %i of item %i from mission %i", entity->GetObjectID(), count, pair.first, info.id);
-		inventoryComponent->AddItem(pair.first, count, IsMission() ? eLootSourceType::MISSION : eLootSourceType::ACHIEVEMENT);
+		inventoryComponent->AddItem(pair.first, count, IsMission() ? eLootSourceType::MISSION : eLootSourceType::ACHIEVEMENT, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 0, false, -1, rewardMetrics);
 	}
 
 	if (info.reward_currency > 0 || coinsToSend > 0) {
diff --git a/dGame/dUtilities/Loot.cpp b/dGame/dUtilities/Loot.cpp
index 20549b401..78e340cfc 100644
--- a/dGame/dUtilities/Loot.cpp
+++ b/dGame/dUtilities/Loot.cpp
@@ -523,14 +523,22 @@ Loot::Return Loot::RollLootMatrix(Entity* player, uint32_t matrixIndex) {
 }
 
 void Loot::GiveLoot(Entity* player, uint32_t matrixIndex, eLootSourceType lootSourceType) {
+	GiveLoot(player, matrixIndex, lootSourceType, LootMetrics{});
+}
+
+void Loot::GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType lootSourceType) {
+	GiveLoot(player, result, lootSourceType, LootMetrics{});
+}
+
+void Loot::GiveLoot(Entity* player, uint32_t matrixIndex, eLootSourceType lootSourceType, const LootMetrics& metrics) {
 	player = player->GetOwner(); // If the owner is overwritten, we collect that here
 
 	const auto result = RollLootMatrix(player, matrixIndex);
 
-	GiveLoot(player, result, lootSourceType);
+	GiveLoot(player, result, lootSourceType, metrics);
 }
 
-void Loot::GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType lootSourceType) {
+void Loot::GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType lootSourceType, const LootMetrics& metrics) {
 	player = player->GetOwner(); // if the owner is overwritten, we collect that here
 
 	auto* inventoryComponent = player->GetComponent<InventoryComponent>();
@@ -539,7 +547,7 @@ void Loot::GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType
 		return;
 
 	for (const auto& pair : result) {
-		inventoryComponent->AddItem(pair.first, pair.second, lootSourceType);
+		inventoryComponent->AddItem(pair.first, pair.second, lootSourceType, eInventoryType::INVALID, {}, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 0, false, -1, metrics);
 	}
 }
 
@@ -577,7 +585,11 @@ void Loot::GiveActivityLoot(Entity* player, const LWOOBJID source, uint32_t acti
 
 	const auto [minCoins, maxCoins] = GetActivityCoinRange(*selectedReward);
 
-	GiveLoot(player, selectedReward->LootMatrixIndex, eLootSourceType::ACTIVITY);
+	// Live sent the activity's ID and the activity object's LOT with each reward item
+	LootMetrics metrics{};
+	metrics.activityId = static_cast<int32_t>(activityID);
+	if (const auto* const sourceEntity = Game::entityManager->GetEntity(source)) metrics.sourceLot = sourceEntity->GetLOT();
+	GiveLoot(player, selectedReward->LootMatrixIndex, eLootSourceType::ACTIVITY, metrics);
 
 	uint32_t coins = static_cast<uint32_t>(minCoins + GeneralUtils::GenerateRandomNumber<float>(0, 1) * (maxCoins - minCoins));
 
diff --git a/dGame/dUtilities/Loot.h b/dGame/dUtilities/Loot.h
index f6bb0bd92..842fcec05 100644
--- a/dGame/dUtilities/Loot.h
+++ b/dGame/dUtilities/Loot.h
@@ -8,6 +8,7 @@
 #include <vector>
 
 class Entity;
+struct LootMetrics;
 struct CDActivityRewards;
 struct CDCurrencyTable;
 
@@ -20,6 +21,9 @@ namespace Loot {
 		LWOOBJID id = 0;
 		LOT lot = 0;
 		int32_t count = 0;
+		// The LOT of the object it dropped from (1 when a player was the source), 0 when that object was not found.
+		// Sent back as the item's source when it is picked up (LootMetrics::sourceLot).
+		LOT sourceLot = 0;
 	};
 
 	using Return = std::map<LOT, int32_t>;
@@ -28,6 +32,9 @@ namespace Loot {
 	void CacheMatrix(const uint32_t matrixIndex);
 	void GiveLoot(Entity* player, uint32_t matrixIndex, eLootSourceType lootSourceType = eLootSourceType::NONE);
 	void GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType lootSourceType = eLootSourceType::NONE);
+	// As above, telling the client where the items came from (LootMetrics)
+	void GiveLoot(Entity* player, uint32_t matrixIndex, eLootSourceType lootSourceType, const LootMetrics& metrics);
+	void GiveLoot(Entity* player, const Loot::Return& result, eLootSourceType lootSourceType, const LootMetrics& metrics);
 	void GiveActivityLoot(Entity* player, const LWOOBJID source, uint32_t activityID, int32_t rating = 0);
 	void DropLoot(Entity* player, const LWOOBJID source, uint32_t matrixIndex, uint32_t minCoins, uint32_t maxCoins);
 	void DropItem(Entity& player, GameMessages::DropClientLoot& lootMsg, bool useTeam = false, bool forceFfa = false);
diff --git a/dGame/dUtilities/Mail.cpp b/dGame/dUtilities/Mail.cpp
index e258824aa..fbde91cd7 100644
--- a/dGame/dUtilities/Mail.cpp
+++ b/dGame/dUtilities/Mail.cpp
@@ -239,7 +239,10 @@ namespace Mail {
 
 				LwoNameValue config;
 				config.InsertLines(playerMail->itemConfig);
-				const auto claimed = inv->ReceiveItem(playerMail->itemID, playerMail->itemLOT, playerMail->itemCount, eLootSourceType::MAIL, config, playerMail->itemSubkey);
+				// Live sent the mail's ID with the attachment
+				ReceiveItemOptions options{};
+				options.metrics.mailId = static_cast<uint64_t>(mailID);
+				const auto claimed = inv->ReceiveItem(playerMail->itemID, playerMail->itemLOT, playerMail->itemCount, eLootSourceType::MAIL, config, playerMail->itemSubkey, false, options);
 				Database::Get()->ClaimMailItem(mailID);
 				DashboardNotify::Changed("mail", playerMail->receiverId);
 
diff --git a/dPhysics/dpWorld.cpp b/dPhysics/dpWorld.cpp
index 1aad9f0f9..47dc5d7c2 100644
--- a/dPhysics/dpWorld.cpp
+++ b/dPhysics/dpWorld.cpp
@@ -3,6 +3,7 @@
 #include "dpGrid.h"
 #include "DetourCommon.h"
 
+#include <memory>
 #include <string>
 
 #include "Game.h"
@@ -24,6 +25,7 @@ namespace {
 	bool phys_spatial_partitioning = true;
 
 	std::vector<dpMovementBlocker> m_MovementBlockers;
+	std::vector<std::unique_ptr<dpEntity>> m_OwnedMovementBlockers;
 };
 
 void dpWorld::Initialize(unsigned int zoneID, bool generateNewNavMesh) {
@@ -88,6 +90,7 @@ void dpWorld::Shutdown() {
 	}
 
 	m_MovementBlockers.clear();
+	m_OwnedMovementBlockers.clear();
 }
 
 bool dpWorld::IsLoaded() {
@@ -197,6 +200,12 @@ void dpWorld::AddMovementBlocker(const dpEntity* entity, const uint32_t filter)
 	m_MovementBlockers.push_back({ entity, filter });
 }
 
+void dpWorld::AddOwnedMovementBlocker(dpEntity* entity, const uint32_t filter) {
+	if (!entity) return;
+	m_OwnedMovementBlockers.emplace_back(entity);
+	AddMovementBlocker(entity, filter);
+}
+
 void dpWorld::RemoveMovementBlocker(const dpEntity* entity) {
 	std::erase_if(m_MovementBlockers, [entity](const dpMovementBlocker& blocker) { return blocker.entity == entity; });
 }
diff --git a/dPhysics/dpWorld.h b/dPhysics/dpWorld.h
index f14931c85..37bdf10d1 100644
--- a/dPhysics/dpWorld.h
+++ b/dPhysics/dpWorld.h
@@ -34,6 +34,11 @@ namespace dpWorld {
 	 * the caller, who removes it before deleting it; it is not stepped with the world.
 	 */
 	void AddMovementBlocker(const dpEntity* entity, uint32_t filter);
+	/**
+	 * A movement blocker with no object of its own (a wall from the level files the server doesn't spawn), owned by the
+	 * world from now on and freed when it shuts down.
+	 */
+	void AddOwnedMovementBlocker(dpEntity* entity, uint32_t filter);
 	void RemoveMovementBlocker(const dpEntity* entity);
 	std::span<const dpMovementBlocker> GetMovementBlockers();
 
diff --git a/dZoneManager/Level.cpp b/dZoneManager/Level.cpp
index dd870a42c..27e9aa712 100644
--- a/dZoneManager/Level.cpp
+++ b/dZoneManager/Level.cpp
@@ -17,6 +17,7 @@
 #include "LevelFile.h"
 #include "ZoneFileLog.h"
 #include "ClientVersion.h"
+#include "PhysicsComponent.h"
 #include "dConfig.h"
 #include <ranges>
 
@@ -166,6 +167,13 @@ void Level::LoadSceneObjects(const std::vector<SceneObject>& objects) {
 			continue;
 		}
 
+		// The client never loads a carver_only object (and live never sent one), but it still carves the AI navmesh:
+		// keep it as a wall the server's movers can't walk through, without an object
+		if (obj.lot != 176 && PhysicsComponent::IsCarverOnly(obj.settings)) {
+			PhysicsComponent::AddLevelMovementBlocker(obj.id, obj.lot, obj.settings, obj.position, obj.rotation, obj.scale);
+			continue;
+		}
+
 		if (obj.lot == 176) { //Spawner
 			MakeSpawner(obj, m_SceneID);
 		} else { //Regular object
diff --git a/tests/dGameTests/dComponentsTests/CMakeLists.txt b/tests/dGameTests/dComponentsTests/CMakeLists.txt
index 28e0f3be7..103739781 100644
--- a/tests/dGameTests/dComponentsTests/CMakeLists.txt
+++ b/tests/dGameTests/dComponentsTests/CMakeLists.txt
@@ -19,6 +19,7 @@ set(DCOMPONENTS_TESTS
 	"ReplicaConstructionTests.cpp"
 	"ReplicaDecoderTests.cpp"
 	"ItemRemovalTests.cpp"
+	"LootMetricsTests.cpp"
 )
 
 # Get the folder name and prepend it to the files above
diff --git a/tests/dGameTests/dComponentsTests/LootMetricsTests.cpp b/tests/dGameTests/dComponentsTests/LootMetricsTests.cpp
new file mode 100644
index 000000000..d4c0caa92
--- /dev/null
+++ b/tests/dGameTests/dComponentsTests/LootMetricsTests.cpp
@@ -0,0 +1,247 @@
+#include "GameDependencies.h"
+#include <gtest/gtest.h>
+
+#include "CDClientDatabase.h"
+#include "CDComponentsRegistryTable.h"
+#include "CDItemComponentTable.h"
+#include "Character.h"
+#include "CharacterComponent.h"
+#include "Entity.h"
+#include "EntityManager.h"
+#include "InventoryComponent.h"
+#include "InventoryMessages.h"
+#include "Item.h"
+#include "LootMetrics.h"
+#include "QuickBuildComponent.h"
+#include "MissionComponent.h"
+#include "DestroyableComponent.h"
+#include "LevelProgressionComponent.h"
+#include "eQuickBuildState.h"
+#include "eReplicaComponentType.h"
+
+#include "dGameMessagesTests/GameMessageTestUtils.h"
+
+using namespace GameMessageTestUtils;
+
+// The _Metric_ keys live put in AddItemToInventoryClientSync's extra info saying where items came from
+// (LootMetrics), and the loot source of RemoveItemFromInventory.
+class LootMetricsTests : public GameDependenciesTest {
+protected:
+	static constexpr LOT ITEM = 7000;
+	static constexpr LOT SMASHABLE = 4712;
+	static constexpr LWOOBJID PLAYER = 0x1000000000000001LL;
+
+	std::unique_ptr<Entity> entity;
+	std::unique_ptr<Character> character;
+	InventoryComponent* inventory{};
+
+	void SetUp() override {
+		SetUpDependencies();
+		CDClientDatabase::Connect(":memory:");
+		CDClientDatabase::ExecuteDML("CREATE TABLE ItemSets (setID INTEGER, itemIDs TEXT);");
+		CDClientDatabase::ExecuteDML("CREATE TABLE Objects (id INTEGER, name TEXT, type TEXT);");
+		CDClientDatabase::ExecuteDML("CREATE TABLE ComponentsRegistry (id INTEGER, component_type INTEGER, component_id INTEGER);");
+		CDClientDatabase::ExecuteDML("CREATE TABLE ObjectSkills (objectTemplate INTEGER, skillID INTEGER, castOnType INTEGER, AICombatWeight INTEGER);");
+		CDClientDatabase::ExecuteDML("CREATE TABLE SkillBehavior (skillID INTEGER, behaviorID INTEGER);");
+		CDClientDatabase::ExecuteDML("CREATE TABLE Missions (id INTEGER, isMission INTEGER);");
+		RegisterLot(ITEM);
+
+		info.lot = 1; // a player
+		CDClientManager::GetEntriesMutable<CDComponentsRegistryTable>().insert_or_assign(static_cast<uint64_t>(info.lot), 0);
+		entity = std::make_unique<Entity>(PLAYER, info);
+		inventory = entity->AddComponent<InventoryComponent>(-1);
+		character = std::make_unique<Character>(1, nullptr);
+		entity->SetCharacter(character.get());
+		entity->AddComponent<CharacterComponent>(-1, character.get(), ClientAddress())->InitializeStatisticsFromString("");
+		Game::entityManager->_addEntity(entity.get()); // drops from the player, and the quickbuild, look it up there
+		ClearSent();
+	}
+
+	void TearDown() override {
+		Game::entityManager->_removeEntity(PLAYER);
+		entity->SetCharacter(nullptr);
+		entity.reset();
+		character.reset();
+		TearDownDependencies();
+	}
+
+	static void RegisterLot(const LOT lot) {
+		const auto componentID = static_cast<uint32_t>(96000 + lot);
+		auto& registry = CDClientManager::GetEntriesMutable<CDComponentsRegistryTable>();
+		registry.insert_or_assign(static_cast<uint64_t>(lot), componentID);
+		registry.insert_or_assign(static_cast<uint64_t>(eReplicaComponentType::ITEM) << 32 | static_cast<uint64_t>(lot), componentID);
+		CDItemComponent component{};
+		component.id = componentID;
+		component.stackSize = 999;
+		CDClientManager::GetEntriesMutable<CDItemComponentTable>().insert_or_assign(componentID, component);
+	}
+
+	static dServerMock& Server() { return *static_cast<dServerMock*>(Game::server); }
+
+	static void ClearSent() { Server().ClearSentPackets(); }
+
+	// The extra info of every AddItemToInventoryClientSync sent
+	static std::vector<std::u16string> AddedExtraInfo() {
+		std::vector<std::u16string> out;
+		for (const auto& packet : Server().GetSentPackets()) {
+			RakNet::BitStream bitStream(const_cast<uint8_t*>(packet.bytes.data()), packet.bytes.size(), false);
+			LWOOBJID target{};
+			MessageType::Game id{};
+			if (!GameMessages::NetGameMsg::ReadPacketHeader(bitStream, target, id)) continue;
+			if (id != MessageType::Game::ADD_ITEM_TO_INVENTORY_CLIENT_SYNC) continue;
+			GameMessages::AddItemToInventoryClientSync msg;
+			EXPECT_TRUE(msg.Deserialize(bitStream));
+			out.push_back(msg.extraInfo);
+		}
+		return out;
+	}
+
+	static std::vector<GameMessages::RemoveItemFromInventory> Removed() {
+		std::vector<GameMessages::RemoveItemFromInventory> out;
+		for (const auto& packet : Server().GetSentPackets()) {
+			RakNet::BitStream bitStream(const_cast<uint8_t*>(packet.bytes.data()), packet.bytes.size(), false);
+			LWOOBJID target{};
+			MessageType::Game id{};
+			if (!GameMessages::NetGameMsg::ReadPacketHeader(bitStream, target, id)) continue;
+			if (id != MessageType::Game::REMOVE_ITEM_FROM_INVENTORY) continue;
+			auto& msg = out.emplace_back();
+			EXPECT_TRUE(msg.Deserialize(bitStream));
+		}
+		return out;
+	}
+
+	// Drops an item for the player from the given source object and picks it up
+	void DropAndPickUp(const LWOOBJID source, const LWOOBJID lootId) {
+		GameMessages::DropClientLoot drop;
+		drop.target = PLAYER;
+		drop.ownerID = PLAYER;
+		drop.sourceID = source;
+		drop.item = ITEM;
+		drop.count = 1;
+		drop.lootID = lootId;
+		GameMessages::DropClientLootEvent event(drop);
+		entity->MsgDropClientLoot(event);
+		ClearSent();
+		entity->PickupItem(lootId);
+	}
+};
+
+TEST_F(LootMetricsTests, KeysAsLiveWroteThem) {
+	EXPECT_TRUE(LootMetrics{}.Empty());
+	EXPECT_EQ(LootMetrics{}.ToExtraInfo(), u"");
+
+	LootMetrics pickup{};
+	pickup.sourceLot = 1;
+	EXPECT_EQ(pickup.ToExtraInfo(), u"_Metric_Souce_LOT_Int=1:1");
+
+	LootMetrics mission{};
+	mission.sourceLot = 1;
+	mission.missionId = 889;
+	EXPECT_EQ(mission.ToExtraInfo(), u"_Metric_Souce_LOT_Int=1:1,_Metric_Mission_ID_Int=1:889");
+
+	LootMetrics vendor{};
+	vendor.sourceLot = 13380;
+	vendor.currencyDelta = -20000;
+	EXPECT_EQ(vendor.ToExtraInfo(), u"_Metric_Souce_LOT_Int=1:13380,_Metric_Currency_Delta_Int=1:-20000");
+
+	// Live: the mail ID as name value type 8, the trade ID as type 9
+	LootMetrics mail{};
+	mail.mailId = 1152921510716557582ULL;
+	EXPECT_EQ(mail.ToExtraInfo(), u"_Metric_Mail_ID_Int64=8:1152921510716557582");
+	LootMetrics trade{};
+	trade.transactionId = 1152921510834827094LL;
+	EXPECT_EQ(trade.ToExtraInfo(), u"_Metric_Transaction_ID_Int64=9:1152921510834827094");
+}
+
+TEST_F(LootMetricsTests, PickupSaysWhichObjectItDroppedFrom) {
+	info.lot = SMASHABLE;
+	auto* const smashable = Game::entityManager->CreateEntity(info, nullptr, nullptr, false, 0x40040000000100LL);
+	ASSERT_NE(smashable, nullptr);
+
+	DropAndPickUp(smashable->GetObjectID(), 0x5000);
+	EXPECT_EQ(AddedExtraInfo(), std::vector<std::u16string>{ u"_Metric_Souce_LOT_Int=1:4712" });
+
+	// A second one joins the stack; the message still says where it came from
+	DropAndPickUp(smashable->GetObjectID(), 0x5001);
+	EXPECT_EQ(AddedExtraInfo(), std::vector<std::u16string>{ u"_Metric_Souce_LOT_Int=1:4712" });
+}
+
+TEST_F(LootMetricsTests, PlayerSourcedPickupIsLotOne) {
+	// Activity rewards and chests drop from the player (live: 1 on 741 pickups)
+	DropAndPickUp(PLAYER, 0x5002);
+	EXPECT_EQ(AddedExtraInfo(), std::vector<std::u16string>{ u"_Metric_Souce_LOT_Int=1:1" });
+}
+
+TEST_F(LootMetricsTests, UnknownSourceSendsNoKey) {
+	DropAndPickUp(0x40040000000999LL, 0x5003);
+	EXPECT_EQ(AddedExtraInfo(), std::vector<std::u16string>{ u"" });
+}
+
+TEST_F(LootMetricsTests, MetricsFollowTheItemConfig) {
+	LwoNameValue config;
+	config.Insert<int32_t>(u"a", 5);
+	LootMetrics metrics{};
+	metrics.sourceLot = 1;
+	inventory->AddItem(ITEM, 1, eLootSourceType::PICKUP, eInventoryType::INVALID, config, LWOOBJID_EMPTY, true, false, LWOOBJID_EMPTY, eInventoryType::INVALID, 0, false, -1, metrics);
+	EXPECT_EQ(AddedExtraInfo(), std::vector<std::u16string>{ u"a=1:5,_Metric_Souce_LOT_Int=1:1" });
+	// Only the message carries them
+	const auto* const item = inventory->FindItemByLot(ITEM);
+	ASSERT_NE(item, nullptr);
+	EXPECT_EQ(item->GetConfig().values.size(), 1u);
+}
+
+TEST_F(LootMetricsTests, RemovalSaysWhatTookTheItems) {
+	inventory->AddItem(ITEM, 5, eLootSourceType::NONE);
+	ClearSent();
+	constexpr LWOOBJID QUICKBUILD = 0x40040000000200LL;
+	ASSERT_TRUE(inventory->RemoveItem(ITEM, 5, eInventoryType::ALL, false, false, { eLootSourceType::QUICKBUILD, QUICKBUILD }));
+	const auto removed = Removed();
+	ASSERT_EQ(removed.size(), 1u);
+	EXPECT_EQ(removed[0].eLootTypeSource, static_cast<int32_t>(eLootSourceType::QUICKBUILD));
+	EXPECT_EQ(removed[0].iLootTypeSource, QUICKBUILD);
+	EXPECT_EQ(removed[0].iStackCount, 5u);
+
+	// Without a source, as before
+	inventory->AddItem(ITEM, 1, eLootSourceType::NONE);
+	ClearSent();
+	ASSERT_TRUE(inventory->RemoveItem(ITEM, 1));
+	ASSERT_EQ(Removed().size(), 1u);
+	EXPECT_EQ(Removed()[0].eLootTypeSource, LOOTTYPE_NONE);
+	EXPECT_EQ(Removed()[0].iLootTypeSource, LWOOBJID_EMPTY);
+}
+
+// Live: the FV Stone Warrior pedestal's 5 Maelstrom Infected Bricks were taken with the loot source Quickbuild and the
+// quickbuild as the source object
+TEST_F(LootMetricsTests, QuickbuildTakesItsCostAsTheSource) {
+	constexpr LOT BRICK = 6194;
+	constexpr int32_t PRECONDITION = 90099; // stands in for 99: have 5 of LOT 6194
+	RegisterLot(BRICK);
+	CDClientDatabase::ExecuteDML("CREATE TABLE IF NOT EXISTS Preconditions (id INTEGER, type INTEGER, targetLOT TEXT, targetCount INTEGER);");
+	CDClientDatabase::ExecuteDML("INSERT INTO Preconditions VALUES (" + std::to_string(PRECONDITION) + ", 2, '6194', 5);");
+	inventory->AddItem(BRICK, 7, eLootSourceType::NONE);
+	// What the precondition check looks at besides the inventory
+	entity->AddComponent<MissionComponent>(-1);
+	entity->AddComponent<DestroyableComponent>(-1);
+	entity->AddComponent<LevelProgressionComponent>(-1);
+
+	auto pedestalInfo = info;
+	pedestalInfo.lot = 8551;
+	auto pedestal = std::make_unique<Entity>(0x0102030405060708LL, pedestalInfo);
+	pedestal->SetVar<std::u16string>(u"CheckPrecondition", GeneralUtils::ASCIIToUTF16(std::to_string(PRECONDITION)));
+	auto* const quickBuild = pedestal->AddComponent<QuickBuildComponent>(-1);
+	quickBuild->SetResetTime(20.0f);
+	quickBuild->SetCompleteTime(10.0f);
+	ClearSent();
+
+	quickBuild->OnUse(entity.get());
+	EXPECT_EQ(quickBuild->GetState(), eQuickBuildState::BUILDING);
+	const auto removed = Removed();
+	ASSERT_EQ(removed.size(), 1u);
+	EXPECT_EQ(removed[0].iObjTemplate, BRICK);
+	EXPECT_EQ(removed[0].iStackCount, 5u);
+	EXPECT_EQ(removed[0].eLootTypeSource, static_cast<int32_t>(eLootSourceType::QUICKBUILD));
+	EXPECT_EQ(removed[0].iLootTypeSource, pedestal->GetObjectID());
+	EXPECT_EQ(inventory->GetLotCount(BRICK), 2u);
+
+	pedestal.reset();
+}
diff --git a/tests/dGameTests/dComponentsTests/MovementBlockerScenarioTests.cpp b/tests/dGameTests/dComponentsTests/MovementBlockerScenarioTests.cpp
index d2a83af47..1db2f3c65 100644
--- a/tests/dGameTests/dComponentsTests/MovementBlockerScenarioTests.cpp
+++ b/tests/dGameTests/dComponentsTests/MovementBlockerScenarioTests.cpp
@@ -12,6 +12,7 @@
 #include "Entity.h"
 #include "eReplicaComponentType.h"
 #include "MovementAIComponent.h"
+#include "PetComponent.h"
 #include "PhantomPhysicsComponent.h"
 #include "SimplePhysicsComponent.h"
 
@@ -24,6 +25,11 @@ protected:
 	static constexpr int32_t ENEMY_BLOCKER_PHYSICS = 4237;
 	static constexpr int32_t CARVER_PHYSICS = 3901;
 	static constexpr int32_t CLEAR_THREAT_PHYSICS = 6691;
+	static constexpr LOT PET_BLOCKER_LOT = 3913; // PR - Pet Blocker: solid, group 18
+	static constexpr int32_t PET_BLOCKER_PHYSICS = 1913;
+	static constexpr LOT HEDGE_LOT = 3027; // AG - bush square section: solid, a navmesh carver in Robot City
+	static constexpr int32_t HEDGE_PHYSICS = 90301;
+	static constexpr int32_t PET_GROUP = 3;
 
 	void SetUp() override {
 		SetUpDependencies();
@@ -42,10 +48,13 @@ protected:
 		AddPhysics(ENEMY_BLOCKER_LOT, eReplicaComponentType::SIMPLE_PHYSICS, ENEMY_BLOCKER_PHYSICS, "miscellaneous\\misc_phys_10x1x5.hkx", 18);
 		AddPhysics(CARVER_LOT, eReplicaComponentType::PHANTOM_PHYSICS, CARVER_PHYSICS, "miscellaneous\\misc_phys_10x1x5.hkx", 7);
 		AddPhysics(CLEAR_THREAT_LOT, eReplicaComponentType::PHANTOM_PHYSICS, CLEAR_THREAT_PHYSICS, "test\\POI_trigger_wall.hkx", 18);
+		AddPhysics(PET_BLOCKER_LOT, eReplicaComponentType::SIMPLE_PHYSICS, PET_BLOCKER_PHYSICS, "miscellaneous\\misc_phys_10x1x5.hkx", 18);
+		AddPhysics(HEDGE_LOT, eReplicaComponentType::SIMPLE_PHYSICS, HEDGE_PHYSICS, "env\\env_won_nim_bush_square-section.hkx", 7);
 		CDClientManager::GetEntriesMutable<CDComponentsRegistryTable>().insert_or_assign(static_cast<uint64_t>(info.lot), 0);
 	}
 
 	void TearDown() override {
+		dpWorld::Shutdown(); // frees the blockers the world owns
 		TearDownDependencies();
 	}
 
@@ -136,3 +145,72 @@ TEST_F(MovementBlockerScenarioTest, NonEnemyMoverIsNotClamped) {
 	movement->SetDestination({ 0.0f, 0.0f, 10.0f });
 	EXPECT_NEAR(movement->GetDestination().z, 10.0f, 1e-3f);
 }
+
+// Pets are walked by the server too; the pet ranch's pet blockers keep them in (group 18 touches pets, group 3)
+TEST_F(MovementBlockerScenarioTest, PetBlockerStopsAPet) {
+	auto wall = Wall(PET_BLOCKER_LOT, 104);
+	wall->AddComponent<SimplePhysicsComponent>(PET_BLOCKER_PHYSICS);
+	ASSERT_EQ(dpWorld::GetMovementBlockers().size(), 1u);
+
+	EntityInfo petInfo = info;
+	petInfo.pos = { 0.0f, 0.0f, -10.0f };
+	Entity pet(204, petInfo);
+	pet.AddComponent<SimplePhysicsComponent>(-1)->SetCollisionGroup(PET_GROUP);
+	pet.AddComponent<PetComponent>(-1);
+	auto* const movement = pet.AddComponent<MovementAIComponent>(-1, MovementAIInfo{});
+	movement->SetDestination({ 0.0f, 0.0f, 10.0f });
+	EXPECT_LT(movement->GetDestination().z, -0.5f);
+	EXPECT_GT(movement->GetDestination().z, -3.0f);
+}
+
+// A carver_only object is never spawned (the client never loads one), but it still stops the chase
+TEST_F(MovementBlockerScenarioTest, CarverOnlyWallBlocksWithoutAnObject) {
+	LwoNameValue settings;
+	settings.Insert<bool>(u"carver_only", true);
+	settings.Insert<bool>(u"navmesh_carver", true);
+	EXPECT_TRUE(PhysicsComponent::IsCarverOnly(settings));
+	ASSERT_TRUE(PhysicsComponent::AddLevelMovementBlocker(105, CARVER_LOT, settings, NiPoint3Constant::ZERO, QuatUtils::IDENTITY, 1.0f));
+	ASSERT_EQ(dpWorld::GetMovementBlockers().size(), 1u);
+
+	EntityInfo enemyInfo = info;
+	enemyInfo.pos = { 0.0f, 0.0f, -10.0f };
+	Entity enemy(205, enemyInfo);
+	EXPECT_LT(ChaseAcross(enemy).z, -0.5f);
+
+	dpWorld::Shutdown();
+	EXPECT_TRUE(dpWorld::GetMovementBlockers().empty());
+}
+
+TEST_F(MovementBlockerScenarioTest, CarverOnlyNeedsItsFlagAndAWall) {
+	LwoNameValue settings;
+	EXPECT_FALSE(PhysicsComponent::IsCarverOnly(settings));
+	settings.Insert<bool>(u"carver_only", false);
+	EXPECT_FALSE(PhysicsComponent::IsCarverOnly(settings));
+	// carver_only without navmesh_carver (most of them): nothing to block with
+	settings.Insert<bool>(u"carver_only", true);
+	EXPECT_TRUE(PhysicsComponent::IsCarverOnly(settings));
+	EXPECT_FALSE(PhysicsComponent::AddLevelMovementBlocker(106, CARVER_LOT, settings, NiPoint3Constant::ZERO, QuatUtils::IDENTITY, 1.0f));
+	EXPECT_TRUE(dpWorld::GetMovementBlockers().empty());
+}
+
+// The Robot City hedges carve the navmesh; their size comes from the client's collision shape (4.39 x 4.96 x 9.03)
+TEST_F(MovementBlockerScenarioTest, HedgeHasItsRealSize) {
+	auto hedge = Wall(HEDGE_LOT, 107);
+	hedge->SetVar<bool>(u"navmesh_carver", true);
+	hedge->AddComponent<SimplePhysicsComponent>(HEDGE_PHYSICS);
+	const auto blockers = dpWorld::GetMovementBlockers();
+	ASSERT_EQ(blockers.size(), 1u);
+	const auto* const box = dynamic_cast<const dpShapeBox*>(blockers[0].entity->GetShape());
+	ASSERT_NE(box, nullptr);
+	EXPECT_NEAR(box->m_MaxX - box->m_MinX, 4.3949f, 1e-3f);
+	EXPECT_NEAR(box->m_MaxY - box->m_MinY, 4.9645f, 1e-3f);
+	EXPECT_NEAR(box->m_MaxZ - box->m_MinZ, 9.0341f, 1e-3f);
+	// Centred where the shape is, a little off the object's position
+	EXPECT_NEAR((box->m_MaxX + box->m_MinX) / 2.0f, -0.0343f, 1e-3f);
+	EXPECT_NEAR((box->m_MaxZ + box->m_MinZ) / 2.0f, -0.0527f, 1e-3f);
+
+	EntityInfo enemyInfo = info;
+	enemyInfo.pos = { 0.0f, 0.0f, -10.0f };
+	Entity enemy(206, enemyInfo);
+	EXPECT_LT(ChaseAcross(enemy).z, -4.5f);
+}