diff --git a/resources/natural_resources/resources.json b/resources/natural_resources/resources.json
new file mode 100644
index 00000000..745b80f0
--- /dev/null
+++ b/resources/natural_resources/resources.json
@@ -0,0 +1,650 @@
+{
+  "resources": [
+    {
+      "id": "mithril_vein",
+      "name": "Mithril Vein",
+      "quality": 4,
+      "school_affinity": "aether",
+      "terrains": ["hills", "mountains", "desert"],
+      "food_bonus": 0,
+      "production_bonus": 4,
+      "trade_bonus": 3,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "aether", "amount": 2 },
+      "revealed_by_tech": "arcane_lore",
+      "ley_weight_multiplier": 8.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/mithril_vein.png",
+      "description": "Extraterrestrial silver-blue ore of extraordinary magical potency. Can only be exposed by asteroid impacts or found deep in ancient mountains."
+    },
+    {
+      "id": "wild_game",
+      "name": "Wild Game",
+      "quality": 1,
+      "school_affinity": "nature",
+      "terrains": ["grassland", "forest", "jungle", "enchanted_forest"],
+      "food_bonus": 2,
+      "production_bonus": 0,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/wild_game.png",
+      "description": "Herds of deer and boar roam these lands, providing abundant food."
+    },
+    {
+      "id": "mana_node_resource",
+      "name": "Mana Node",
+      "quality": 3,
+      "school_affinity": "generic",
+      "terrains": ["grassland", "forest", "hills", "desert", "enchanted_forest"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "generic", "amount": 2 },
+      "revealed_by_tech": "mysticism",
+      "ley_weight_multiplier": 10.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/mana_node_resource.png",
+      "description": "A minor convergence of magical energy radiating ambient power."
+    },
+    {
+      "id": "gold_vein",
+      "name": "Gold Vein",
+      "quality": 3,
+      "school_affinity": null,
+      "terrains": ["hills", "mountains", "desert"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 6,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/gold_vein.png",
+      "description": "Rich deposits of gold ore gleaming in the rock."
+    },
+    {
+      "id": "iron_ore",
+      "name": "Iron Ore",
+      "quality": 2,
+      "school_affinity": null,
+      "terrains": ["hills", "mountains"],
+      "food_bonus": 0,
+      "production_bonus": 3,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "revealed_by_tech": "bronze_working",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/iron_ore.png",
+      "description": "Dense iron deposits essential for forging weapons and armor."
+    },
+    {
+      "id": "gems",
+      "name": "Gems",
+      "quality": 3,
+      "school_affinity": "aether",
+      "terrains": ["jungle", "enchanted_forest", "swamp"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 4,
+      "culture_bonus": 1,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 2.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/gems.png",
+      "description": "Clusters of precious gemstones formed under ancient magical pressure."
+    },
+    {
+      "id": "nightshade",
+      "name": "Nightshade",
+      "quality": 3,
+      "school_affinity": "death",
+      "terrains": ["swamp"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "death", "amount": 1 },
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/nightshade.png",
+      "description": "Dark herbs prized by alchemists and necromancers for their potent properties."
+    },
+    {
+      "id": "sacred_grove",
+      "name": "Sacred Grove",
+      "quality": 4,
+      "school_affinity": "nature",
+      "terrains": ["enchanted_forest"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 0,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "nature", "amount": 1 },
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.3,
+      "sprite": "sprites/resources/sacred_grove.png",
+      "description": "A holy clearing where the boundary between worlds grows thin."
+    },
+    {
+      "id": "obsidian",
+      "name": "Obsidian",
+      "quality": 2,
+      "school_affinity": "chaos",
+      "terrains": ["volcano", "mountains", "desert", "hills"],
+      "food_bonus": 0,
+      "production_bonus": 4,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "chaos", "amount": 1 },
+      "ley_weight_multiplier": 1.5,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/obsidian.png",
+      "description": "Volcanic glass formed wherever magma meets the surface."
+    },
+    {
+      "id": "coral_reef",
+      "name": "Coral Reef",
+      "quality": 2,
+      "school_affinity": "nature",
+      "terrains": ["ocean", "coast"],
+      "climate_zones": ["tropical"],
+      "food_bonus": 2,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 1,
+      "mana_bonus": null,
+      "revealed_by_tech": "seafaring",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/coral_reef.png",
+      "description": "Living underwater formations teeming with sea life and rare materials."
+    },
+    {
+      "id": "merfolk_shallows",
+      "name": "Merfolk Shallows",
+      "quality": 2,
+      "school_affinity": null,
+      "terrains": ["coast"],
+      "climate_zones": ["tropical", "temperate"],
+      "food_bonus": 3,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/merfolk_shallows.png",
+      "description": "Coastal waters rich with fish driven ashore by merfolk hunting parties."
+    },
+    {
+      "id": "sea_serpent_shoals",
+      "name": "Sea Serpent Shoals",
+      "quality": 3,
+      "school_affinity": "chaos",
+      "terrains": ["coast"],
+      "climate_zones": ["temperate", "tropical"],
+      "food_bonus": 2,
+      "production_bonus": 1,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/sea_serpent_shoals.png",
+      "description": "Shallow waters where juvenile sea serpents gather, their shed scales prized for armor."
+    },
+    {
+      "id": "pearl_beds",
+      "name": "Pearl Beds",
+      "quality": 3,
+      "school_affinity": "aether",
+      "terrains": ["coast", "ocean"],
+      "climate_zones": ["tropical", "temperate"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 3,
+      "culture_bonus": 1,
+      "mana_bonus": { "school": "aether", "amount": 1 },
+      "revealed_by_tech": "seafaring",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/pearl_beds.png",
+      "description": "Oyster beds producing lustrous pearls imbued with faint Aether resonance."
+    },
+    {
+      "id": "leviathan_grounds",
+      "name": "Leviathan Grounds",
+      "quality": 4,
+      "school_affinity": null,
+      "terrains": ["ocean"],
+      "climate_zones": ["arctic", "temperate"],
+      "food_bonus": 1,
+      "production_bonus": 2,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "revealed_by_tech": "seafaring",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/leviathan_grounds.png",
+      "description": "Deep waters where ancient leviathans migrate, their bones a source of ivory and alchemical reagents."
+    },
+    {
+      "id": "kraken_ink_vent",
+      "name": "Kraken Ink Vent",
+      "quality": 3,
+      "school_affinity": "death",
+      "terrains": ["ocean"],
+      "climate_zones": ["temperate", "tropical"],
+      "food_bonus": 0,
+      "production_bonus": 1,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "death", "amount": 1 },
+      "revealed_by_tech": "seafaring",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/kraken_ink_vent.png",
+      "description": "Deep-sea vents stained with kraken ink, a reagent prized by Death and Chaos mages."
+    },
+    {
+      "id": "grain_fields",
+      "name": "Grain Fields",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["grassland"],
+      "food_bonus": 3,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/grain_fields.png",
+      "description": "Vast fields of wheat, rye, and millet that sustain growing cities."
+    },
+    {
+      "id": "wild_cattle",
+      "name": "Aurochs",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["grassland", "tundra"],
+      "food_bonus": 2,
+      "production_bonus": 1,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/wild_cattle.png",
+      "description": "Massive wild aurochs roam the plains, hunted for meat and leather."
+    },
+    {
+      "id": "sheep_herds",
+      "name": "Sheep Herds",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["hills", "grassland"],
+      "food_bonus": 2,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/sheep_herds.png",
+      "description": "Flocks of hardy mountain sheep provide wool, milk, and meat."
+    },
+    {
+      "id": "highland_deer",
+      "name": "Highland Deer",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["tundra", "forest"],
+      "food_bonus": 2,
+      "production_bonus": 0,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/highland_deer.png",
+      "description": "Elk and caribou that survive the harshest winters, hunted by northern peoples."
+    },
+    {
+      "id": "river_fish",
+      "name": "River Fish",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["coast", "lake", "inland_sea"],
+      "food_bonus": 2,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/river_fish.png",
+      "description": "Abundant shoals of fish in coastal and freshwater shallows."
+    },
+    {
+      "id": "bog_mushrooms",
+      "name": "Bog Mushrooms",
+      "quality": 2,
+      "school_affinity": "death",
+      "terrains": ["swamp", "forest"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "death", "amount": 1 },
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/bog_mushrooms.png",
+      "description": "Strange fungi that thrive in shadow and decay, prized by alchemists and poisoners alike."
+    },
+    {
+      "id": "coal_seam",
+      "name": "Coal Seam",
+      "quality": 2,
+      "school_affinity": "chaos",
+      "terrains": ["hills", "mountains"],
+      "food_bonus": 0,
+      "production_bonus": 4,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "chaos", "amount": 1 },
+      "revealed_by_tech": "metallurgy_advanced",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/coal_seam.png",
+      "description": "Deep black seams of coal that fuel goblin forges and industrial smelters. Where coal burns, something stirs in the smoke."
+    },
+    {
+      "id": "saltpeter_deposit",
+      "name": "Saltpeter",
+      "quality": 2,
+      "school_affinity": "chaos",
+      "terrains": ["desert", "hills"],
+      "food_bonus": 0,
+      "production_bonus": 1,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "chaos", "amount": 1 },
+      "revealed_by_tech": "alchemy",
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/saltpeter_deposit.png",
+      "description": "Crystalline deposits essential for alchemical propellants and explosive reagents."
+    },
+    {
+      "id": "dragon_bone",
+      "name": "Dragon Bone",
+      "quality": 3,
+      "school_affinity": "chaos",
+      "terrains": ["volcano", "desert", "hills"],
+      "food_bonus": 0,
+      "production_bonus": 3,
+      "trade_bonus": 1,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "chaos", "amount": 1 },
+      "ley_weight_multiplier": 2.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/dragon_bone.png",
+      "description": "Ancient dragon remains fossilized in volcanic stone. Their bones conduct heat and chaos energies, ideal for forging magical weapons."
+    },
+    {
+      "id": "magesteel_ore",
+      "name": "Magesteel",
+      "quality": 4,
+      "school_affinity": "aether",
+      "terrains": ["mountains", "tundra"],
+      "food_bonus": 0,
+      "production_bonus": 3,
+      "trade_bonus": 0,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "aether", "amount": 1 },
+      "revealed_by_tech": "arcane_lore",
+      "ley_weight_multiplier": 4.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/magesteel_ore.png",
+      "description": "A rare bluish-silver alloy ore found only where mountain stone meets ley-field saturation. Conducts spells through enchanted armor."
+    },
+    {
+      "id": "ley_crystal",
+      "name": "Ley Crystal",
+      "quality": 5,
+      "school_affinity": "generic",
+      "terrains": ["mountains", "enchanted_forest"],
+      "food_bonus": 0,
+      "production_bonus": 2,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": { "school": "generic", "amount": 3 },
+      "revealed_by_tech": "high_aether",
+      "ley_weight_multiplier": 12.0,
+      "ley_min_density": 0.5,
+      "sprite": "sprites/resources/ley_crystal.png",
+      "description": "Crystallized ley-line energy given physical form. Near-mythical material that can power any magic school. Found only at ancient ley convergence points."
+    },
+    {
+      "id": "spice_groves",
+      "name": "Spice Groves",
+      "quality": 2,
+      "school_affinity": "nature",
+      "terrains": ["jungle", "coast"],
+      "climate_zones": ["tropical"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 3,
+      "culture_bonus": 1,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/spice_groves.png",
+      "description": "Groves of exotic pepper, cinnamon, and stranger spices that drive trade empires."
+    },
+    {
+      "id": "exotic_furs",
+      "name": "Exotic Furs",
+      "quality": 2,
+      "school_affinity": null,
+      "terrains": ["tundra", "forest"],
+      "climate_zones": ["arctic", "boreal"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 3,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/exotic_furs.png",
+      "description": "Pelts of arctic foxes, snow bears, and white wolves — essential trade goods for cold-climate peoples."
+    },
+    {
+      "id": "incense_flowers",
+      "name": "Incense Flowers",
+      "quality": 2,
+      "school_affinity": "life",
+      "terrains": ["desert", "grassland"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "life", "amount": 1 },
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/incense_flowers.png",
+      "description": "Sacred blooms burned in temples and healing rituals. Their smoke carries prayers to the divine."
+    },
+    {
+      "id": "enchanted_silk",
+      "name": "Enchanted Silk",
+      "quality": 3,
+      "school_affinity": "nature",
+      "terrains": ["enchanted_forest", "jungle"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 3,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "nature", "amount": 1 },
+      "ley_weight_multiplier": 1.5,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/enchanted_silk.png",
+      "description": "Silk spun by fae moths in enchanted forests. It shimmers with natural magic and commands extraordinary prices."
+    },
+    {
+      "id": "ancient_marble",
+      "name": "Ancient Marble",
+      "quality": 5,
+      "school_affinity": null,
+      "terrains": ["hills", "mountains"],
+      "food_bonus": 0,
+      "production_bonus": 1,
+      "trade_bonus": 2,
+      "culture_bonus": 2,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/ancient_marble.png",
+      "description": "Perfect white marble quarried from ancient mountains. Cities possessing it build wonders 30% faster."
+    },
+    {
+      "id": "dye_plants",
+      "name": "Dye Plants",
+      "quality": 2,
+      "school_affinity": null,
+      "terrains": ["grassland", "jungle", "swamp"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 1,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/dye_plants.png",
+      "description": "Indigo, madder, and woad plants used to dye clothing and banners. Vital for trade and court fashion."
+    },
+    {
+      "id": "shadow_wine",
+      "name": "Shadow Wine",
+      "quality": 2,
+      "school_affinity": "death",
+      "terrains": ["hills", "grassland"],
+      "climate_zones": ["temperate"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 1,
+      "mana_bonus": { "school": "death", "amount": 1 },
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/shadow_wine.png",
+      "description": "Dark grapes grown on death-ley soil, fermented into an intoxicating and mildly necromantic vintage."
+    },
+    {
+      "id": "glimmer_salt",
+      "name": "Glimmer Salt",
+      "quality": 1,
+      "school_affinity": null,
+      "terrains": ["desert", "coast"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 0,
+      "mana_bonus": null,
+      "ley_weight_multiplier": 1.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/glimmer_salt.png",
+      "description": "Crystalline salt deposits that shimmer faintly, used for food preservation and alchemical reagents."
+    },
+    {
+      "id": "chaos_ember",
+      "name": "Chaos Ember",
+      "quality": 3,
+      "school_affinity": "chaos",
+      "terrains": ["volcano", "desert"],
+      "food_bonus": 0,
+      "production_bonus": 2,
+      "trade_bonus": 1,
+      "culture_bonus": 1,
+      "mana_bonus": { "school": "chaos", "amount": 2 },
+      "ley_weight_multiplier": 3.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/chaos_ember.png",
+      "description": "Perpetually burning stones infused with raw chaos energy. They neither cool nor consume fuel — they simply burn."
+    },
+    {
+      "id": "ghost_orchid",
+      "name": "Ghost Orchid",
+      "quality": 3,
+      "school_affinity": "death",
+      "terrains": ["swamp"],
+      "food_bonus": 1,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "death", "amount": 2 },
+      "ley_weight_multiplier": 2.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/ghost_orchid.png",
+      "description": "Translucent flowers that bloom only in corrupted and haunted wetlands. Necromancers prize them above gold."
+    },
+    {
+      "id": "sunstone_deposit",
+      "name": "Sunstone",
+      "quality": 4,
+      "school_affinity": "life",
+      "terrains": ["desert", "hills"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "life", "amount": 2 },
+      "ley_weight_multiplier": 4.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/sunstone_deposit.png",
+      "description": "Warm golden stones that store sunlight and radiate Life energy. Beloved by healers and paladins."
+    },
+    {
+      "id": "deepwood_amber",
+      "name": "Deepwood Amber",
+      "quality": 4,
+      "school_affinity": "nature",
+      "terrains": ["forest", "enchanted_forest"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 1,
+      "culture_bonus": 2,
+      "mana_bonus": { "school": "nature", "amount": 2 },
+      "ley_weight_multiplier": 3.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/deepwood_amber.png",
+      "description": "Ancient tree resin hardened over millennia, often encasing magical insects or plant fragments. Powerful Nature reagent."
+    },
+    {
+      "id": "void_crystal",
+      "name": "Void Crystal",
+      "quality": 4,
+      "school_affinity": "aether",
+      "terrains": ["mountains"],
+      "climate_zones": ["arctic", "boreal"],
+      "food_bonus": 0,
+      "production_bonus": 0,
+      "trade_bonus": 2,
+      "culture_bonus": 3,
+      "mana_bonus": { "school": "aether", "amount": 2 },
+      "revealed_by_tech": "arcane_lore",
+      "ley_weight_multiplier": 5.0,
+      "ley_min_density": 0.0,
+      "sprite": "sprites/resources/void_crystal.png",
+      "description": "Perfectly clear crystals found only in the coldest mountain peaks, formed where Aether energy crystallizes in freezing air."
+    }
+  ]
+}