{
  "format_version": "1.21.110",
  "minecraft:biome": {
    "description": {
      "identifier": "minecraft:basalt_deltas"
    },
    "components": {
      "minecraft:climate": {
        "downfall": 0.0,
        "snow_accumulation": [ 0.0, 0.125 ],
        "temperature": 2.0
      },
      "minecraft:multinoise_generation_rules": {
        "target_temperature": -0.5,
        "target_humidity": 0.0,
        "target_altitude": 0.0,
        "target_weirdness": 0.0,
        "weight": 0.175
      },
      "minecraft:surface_builder": {
        "builder": {
          "type": "minecraft:capped",
          "floor_materials": [
            "minecraft:basalt",
            "minecraft:blackstone"
          ],
          "ceiling_materials": [
            "minecraft:basalt"
          ],
          "sea_material": "minecraft:lava",
          "foundation_material": "minecraft:netherrack"
        }
      },

      "minecraft:tags": {
        "tags": [
          "nether",
          "basalt_deltas",
          "spawn_many_magma_cubes",
          "spawn_ghast",
          "spawns_warm_variant_farm_animals"
        ]
      }
    }
  }
}