{
  "type": "minecraft:jigsaw",
  "biomes": "#minecraft:has_structure/bastion_remnant",
  "max_distance_from_center": 116,
  "size": 4,
  "spawn_overrides": {
  },
  "start_height": {
    "absolute": -54
  },
  "start_pool": "irons_spellbooks:battleground/start_pool",
  "step": "underground_decoration",
  "terrain_adaptation": "beard_box",
  "use_expansion_hack": false
}