{
  "feature": "twilightforest:lava_lake",
  "placement": [
    {
      "type": "minecraft:rarity_filter",
      "chance": 10
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "OCEAN_FLOOR"
    },
    {
      "type": "twilightforest:no_structure",
      "additional_clearance": 0,
      "occupies_surface": true,
      "occupies_underground": true
    },
    {
      "type": "minecraft:biome"
    }
  ]
}