minecraft-assets/data/minecraft/worldgen/structure/colosseum.json

{
  "type": "minecraft:jigsaw",
  "biomes": "#minecraft:has_structure/colosseum",
  "density_checks": [
    {
      "dense": true,
      "offset": [
        0,
        0,
        0
      ]
    },
    {
      "dense": true,
      "offset": [
        -18,
        46,
        -18
      ]
    },
    {
      "dense": true,
      "offset": [
        -18,
        46,
        18
      ]
    },
    {
      "dense": true,
      "offset": [
        18,
        46,
        -18
      ]
    },
    {
      "dense": true,
      "offset": [
        18,
        46,
        18
      ]
    }
  ],
  "max_distance_from_center": 80,
  "size": 6,
  "spawn_overrides": {
    "axolotls": {
      "bounding_box": "full",
      "spawns": []
    },
    "monster": {
      "bounding_box": "full",
      "spawns": [
        {
          "type": "minecraft:toxifin",
          "maxCount": 4,
          "minCount": 2,
          "weight": 1
        },
        {
          "type": "minecraft:spider",
          "maxCount": 1,
          "minCount": 1,
          "weight": 1
        },
        {
          "type": "minecraft:skeleton",
          "maxCount": 1,
          "minCount": 1,
          "weight": 1
        },
        {
          "type": "minecraft:slime",
          "maxCount": 1,
          "minCount": 1,
          "weight": 1
        }
      ]
    },
    "underground_water_creature": {
      "bounding_box": "full",
      "spawns": []
    }
  },
  "start_height": {
    "absolute": 33
  },
  "start_pool": "minecraft:colosseum/starts",
  "step": "underground_structures",
  "use_expansion_hack": false
}