diff --git a/public/resources/wilds/wilds.json b/public/resources/wilds/wilds.json
index c519f162..94f4757a 100644
--- a/public/resources/wilds/wilds.json
+++ b/public/resources/wilds/wilds.json
@@ -140,6 +140,161 @@
       { "level": "harsh", "spawn_interval_mult": 0.75, "max_creatures": 4, "stat_mult": 1.25, "new_lair_interval": 20 },
       { "level": "brutal", "spawn_interval_mult": 0.5, "max_creatures": 5, "stat_mult": 1.5, "new_lair_interval": 15 }
     ],
+    "creature_loot": {
+      "beast_den": {
+        "id": "beast_den",
+        "loot_table": [
+          { "resource": "hide", "amount": 2, "chance": 0.8 },
+          { "resource": "bone", "amount": 2, "chance": 0.6 },
+          { "resource": "fang", "amount": 1, "chance": 0.4 }
+        ]
+      },
+      "corrupted_hollow": {
+        "id": "corrupted_hollow",
+        "loot_table": [
+          { "resource": "death_essence", "amount": 2, "chance": 0.7 },
+          { "resource": "spectral_shard", "amount": 1, "chance": 0.4 }
+        ]
+      },
+      "volcanic_fissure": {
+        "id": "volcanic_fissure",
+        "loot_table": [
+          { "resource": "fire_essence", "amount": 2, "chance": 0.7 },
+          { "resource": "obsidian", "amount": 1, "chance": 0.5 }
+        ]
+      },
+      "ancient_construct_site": {
+        "id": "ancient_construct_site",
+        "loot_table": [
+          { "resource": "arcane_gears", "amount": 2, "chance": 0.8 },
+          { "resource": "stone_core", "amount": 1, "chance": 0.5 }
+        ]
+      },
+      "wyvern_nest": {
+        "id": "wyvern_nest",
+        "loot_table": [
+          { "resource": "wyvern_scale", "amount": 2, "chance": 0.8 },
+          { "resource": "bone", "amount": 2, "chance": 0.5 }
+        ]
+      },
+      "wolf_pack": {
+        "id": "wolf_pack",
+        "loot_table": [
+          { "resource": "hide", "amount": 1, "chance": 0.6 },
+          { "resource": "bone", "amount": 1, "chance": 0.4 }
+        ]
+      },
+      "feral_spider": {
+        "id": "feral_spider",
+        "loot_table": [
+          { "resource": "spider_silk", "amount": 1, "chance": 0.5 },
+          { "resource": "venom_gland", "amount": 1, "chance": 0.3 }
+        ]
+      },
+      "dire_bear": {
+        "id": "dire_bear",
+        "loot_table": [
+          { "resource": "thick_hide", "amount": 2, "chance": 0.7 },
+          { "resource": "bone", "amount": 2, "chance": 0.5 }
+        ]
+      },
+      "basilisk_wild": {
+        "id": "basilisk_wild",
+        "loot_table": [
+          { "resource": "basilisk_eye", "amount": 1, "chance": 0.4 },
+          { "resource": "scale", "amount": 2, "chance": 0.6 }
+        ]
+      },
+      "ancient_hydra": {
+        "id": "ancient_hydra",
+        "loot_table": [
+          { "resource": "hydra_blood", "amount": 2, "chance": 0.6 },
+          { "resource": "scale", "amount": 3, "chance": 0.8 }
+        ]
+      },
+      "shambling_dead": {
+        "id": "shambling_dead",
+        "loot_table": [
+          { "resource": "death_essence", "amount": 1, "chance": 0.5 }
+        ]
+      },
+      "spectral_knight": {
+        "id": "spectral_knight",
+        "loot_table": [
+          { "resource": "death_essence", "amount": 2, "chance": 0.6 },
+          { "resource": "spectral_shard", "amount": 1, "chance": 0.3 }
+        ]
+      },
+      "lich_wild": {
+        "id": "lich_wild",
+        "loot_table": [
+          { "resource": "death_essence", "amount": 3, "chance": 0.8 },
+          { "resource": "phylactery_fragment", "amount": 1, "chance": 0.2 }
+        ]
+      },
+      "fire_imp": {
+        "id": "fire_imp",
+        "loot_table": [
+          { "resource": "fire_essence", "amount": 1, "chance": 0.5 }
+        ]
+      },
+      "lava_elemental": {
+        "id": "lava_elemental",
+        "loot_table": [
+          { "resource": "fire_essence", "amount": 2, "chance": 0.7 },
+          { "resource": "magma_core", "amount": 1, "chance": 0.3 }
+        ]
+      },
+      "infernal_wild": {
+        "id": "infernal_wild",
+        "loot_table": [
+          { "resource": "fire_essence", "amount": 3, "chance": 0.8 },
+          { "resource": "infernal_shard", "amount": 1, "chance": 0.25 }
+        ]
+      },
+      "stone_sentinel": {
+        "id": "stone_sentinel",
+        "loot_table": [
+          { "resource": "arcane_gears", "amount": 1, "chance": 0.5 },
+          { "resource": "stone_core", "amount": 1, "chance": 0.4 }
+        ]
+      },
+      "iron_golem_wild": {
+        "id": "iron_golem_wild",
+        "loot_table": [
+          { "resource": "arcane_gears", "amount": 2, "chance": 0.6 },
+          { "resource": "iron_plating", "amount": 1, "chance": 0.5 }
+        ]
+      },
+      "adamantine_colossus": {
+        "id": "adamantine_colossus",
+        "loot_table": [
+          { "resource": "arcane_gears", "amount": 3, "chance": 0.8 },
+          { "resource": "adamantine_shard", "amount": 1, "chance": 0.2 }
+        ]
+      },
+      "wild_wyvern": {
+        "id": "wild_wyvern",
+        "loot_table": [
+          { "resource": "wyvern_scale", "amount": 1, "chance": 0.6 },
+          { "resource": "bone", "amount": 1, "chance": 0.4 }
+        ]
+      },
+      "drake_wild": {
+        "id": "drake_wild",
+        "loot_table": [
+          { "resource": "drake_fang", "amount": 1, "chance": 0.5 },
+          { "resource": "wyvern_scale", "amount": 2, "chance": 0.7 }
+        ]
+      },
+      "elder_wyrm": {
+        "id": "elder_wyrm",
+        "loot_table": [
+          { "resource": "wyrm_heart", "amount": 1, "chance": 0.3 },
+          { "resource": "wyvern_scale", "amount": 3, "chance": 0.9 }
+        ]
+      }
+    },
     "aggression_settings": {
       "passive": { "guardian_roams": false, "detection_radius": 0, "attacks": false },
       "standard": { "guardian_roams": true, "detection_radius": 4, "attacks": true, "suicide_check": true },
diff --git a/src/game/engine/scenes/city/city_buildable_helper.gd b/src/game/engine/scenes/city/city_buildable_helper.gd
index 0a218e05..56c3b644 100644
--- a/src/game/engine/scenes/city/city_buildable_helper.gd
+++ b/src/game/engine/scenes/city/city_buildable_helper.gd
@@ -33,6 +33,21 @@ static func populate_buildings(
 		)
 
 
+## Return true when any tile owned by `player`'s cities contains `resource_id`.
+static func player_owns_resource(player: RefCounted, resource_id: String) -> bool:
+	if resource_id == "" or player == null:
+		return true
+	var gm: RefCounted = GameState.get_game_map()
+	if gm == null:
+		return false
+	for city: Variant in player.cities:
+		for tile_pos: Variant in city.get_owned_tiles():
+			var tile: RefCounted = gm.get_tile(tile_pos as Vector2i)
+			if tile != null and tile.resource_id == resource_id:
+				return true
+	return false
+
+
 ## Populate `list` with the units the city can currently train.
 ## Items get metadata `{type: "unit", id: <unit_id>}`.
 static func populate_units(
@@ -47,6 +62,9 @@ static func populate_units(
 			continue
 		if has_can_build and not city.can_build(uid, player):
 			continue
+		var req_res: String = str(udata.get("requires_resource", ""))
+		if req_res != "" and req_res != "null" and not player_owns_resource(player, req_res):
+			continue
 		var display: String = FormatterScript.resolve_display_name(udata, uid)
 		var cost: int = udata.get("cost", 0)
 		list.add_item("%s (%d)" % [display, cost])
diff --git a/src/simulator/crates/mc-city/src/city.rs b/src/simulator/crates/mc-city/src/city.rs
index 1065967a..5754af3b 100644
--- a/src/simulator/crates/mc-city/src/city.rs
+++ b/src/simulator/crates/mc-city/src/city.rs
@@ -481,10 +481,10 @@ impl City {
         self.hp = (self.hp + amount).min(self.max_hp);
     }
 
-    /// Heal the city by the standard per-turn amount (20 HP).
+    /// Heal the city by the standard per-turn amount (10 HP).
     /// Skips destroyed cities (HP == 0).
     pub fn heal_per_turn(&mut self) {
-        const HEAL_PER_TURN: u32 = 20;
+        const HEAL_PER_TURN: u32 = 10;
         if self.hp > 0 && self.hp < self.max_hp {
             self.heal(HEAL_PER_TURN);
         }