diff --git a/resources/wilds/wilds.json b/resources/wilds/wilds.json
new file mode 100644
index 00000000..65c1e557
--- /dev/null
+++ b/resources/wilds/wilds.json
@@ -0,0 +1,144 @@
+{
+  "wilds": {
+    "lair_density_per_land_tile": 0.0083,
+    "min_distance_from_start": 5,
+    "min_distance_between": 4,
+    "spawn_interval_base": 8,
+    "max_creatures_per_lair": 3,
+    "roaming_leash_radius": 5,
+    "detection_radius": 4,
+    "new_lair_check_interval": 25,
+    "new_lair_threshold": 0.5,
+    "lair_types": [
+      {
+        "id": "beast_den",
+        "name": "Beast Den",
+        "preferred_terrains": ["grassland", "enchanted_forest", "hills"],
+        "sprite": "terrain/lair_beast_den.png",
+        "spawn_pool": {
+          "tier_1": ["wolf_pack", "feral_spider"],
+          "tier_2": ["dire_bear", "basilisk_wild"],
+          "tier_3": ["ancient_hydra"]
+        },
+        "description": "A den of territorial beasts. Clear it for a reward."
+      },
+      {
+        "id": "corrupted_hollow",
+        "name": "Corrupted Hollow",
+        "preferred_terrains": ["swamp"],
+        "sprite": "terrain/lair_corrupted_hollow.png",
+        "spawn_pool": {
+          "tier_1": ["shambling_dead"],
+          "tier_2": ["spectral_knight"],
+          "tier_3": ["lich_wild"]
+        },
+        "description": "A nexus of dark energy. The dead do not rest here."
+      },
+      {
+        "id": "volcanic_fissure",
+        "name": "Volcanic Fissure",
+        "preferred_terrains": ["volcano", "desert", "hills"],
+        "sprite": "terrain/lair_volcanic_fissure.png",
+        "spawn_pool": {
+          "tier_1": ["fire_imp"],
+          "tier_2": ["lava_elemental"],
+          "tier_3": ["infernal_wild"]
+        },
+        "description": "Elemental fire spills from a crack in the earth."
+      },
+      {
+        "id": "ancient_construct_site",
+        "name": "Ancient Construct Site",
+        "preferred_terrains": ["grassland", "hills", "desert", "tundra"],
+        "sprite": "terrain/lair_construct_site.png",
+        "spawn_pool": {
+          "tier_1": ["stone_sentinel"],
+          "tier_2": ["iron_golem_wild"],
+          "tier_3": ["adamantine_colossus"]
+        },
+        "description": "Ruined automatons patrol these ancient grounds."
+      },
+      {
+        "id": "wyvern_nest",
+        "name": "Wyvern Nest",
+        "preferred_terrains": ["hills", "mountains"],
+        "sprite": "terrain/lair_wyvern_nest.png",
+        "spawn_pool": {
+          "tier_1": ["wild_wyvern"],
+          "tier_2": ["drake_wild"],
+          "tier_3": ["elder_wyrm"]
+        },
+        "description": "Flying predators nest in these heights."
+      }
+    ],
+    "clear_rewards": [
+      {
+        "id": "gold_hoard",
+        "name": "Gold Hoard",
+        "weight": 30,
+        "type": "gold",
+        "base_amount_min": 40,
+        "base_amount_max": 80,
+        "era_scaling": 20,
+        "notification": "The lair contained a hoard of gold! (+{amount} gold)"
+      },
+      {
+        "id": "captured_equipment",
+        "name": "Captured Equipment",
+        "weight": 20,
+        "type": "unit_stat_bonus",
+        "stat": "random",
+        "value": 1,
+        "notification": "Ancient equipment found! {unit} gains +1 {stat}!"
+      },
+      {
+        "id": "mana_crystal",
+        "name": "Mana Crystal",
+        "weight": 15,
+        "type": "mana",
+        "mana_color": "generic",
+        "base_amount_min": 15,
+        "base_amount_max": 25,
+        "notification": "A mana crystal yields magical energy! (+{amount} mana)"
+      },
+      {
+        "id": "freed_prisoners",
+        "name": "Freed Prisoners",
+        "weight": 15,
+        "type": "population",
+        "amount": 1,
+        "target": "nearest_city",
+        "notification": "Freed prisoners join {city}! (+1 population)"
+      },
+      {
+        "id": "ancient_tome",
+        "name": "Ancient Tome",
+        "weight": 10,
+        "type": "research",
+        "base_amount_min": 20,
+        "base_amount_max": 40,
+        "notification": "An ancient tome reveals lost knowledge! (+{amount} research)"
+      },
+      {
+        "id": "tamed_beast",
+        "name": "Tamed Beast",
+        "weight": 10,
+        "type": "free_unit",
+        "unit_pool": ["tamed_wolf", "tamed_wyvern"],
+        "notification": "A wild creature submits to our control!"
+      }
+    ],
+    "world_difficulty_scaling": [
+      { "level": "tame", "spawn_interval_mult": 1.5, "max_creatures": 2, "stat_mult": 0.75, "new_lair_interval": null },
+      { "level": "standard", "spawn_interval_mult": 1.0, "max_creatures": 3, "stat_mult": 1.0, "new_lair_interval": 25 },
+      { "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 }
+    ],
+    "aggression_settings": {
+      "passive": { "guardian_roams": false, "detection_radius": 0, "attacks": false },
+      "standard": { "guardian_roams": true, "detection_radius": 4, "attacks": true, "suicide_check": true },
+      "aggressive": { "guardian_roams": true, "guardian_roam_interval": 3, "detection_radius": 6, "attacks": true, "suicide_check": true },
+      "relentless": { "guardian_roams": true, "guardian_roam_interval": 1, "detection_radius": 8, "attacks": true, "suicide_check": false }
+    }
+  }
+}