[
  {
    "biome": "Hell",
    "mobs": [
      {
        "mob": "minecraft:blaze",
        "weight": 1,
        "groupcountmin": 1,
        "groupcountmax": 2
      },
      {
        "mob": "minecraft:wither_skeleton",
        "weight": 1,
        "groupcountmin": 1,
        "groupcountmax": 2
      }
    ]
  },
  {
    "mobs": [
      {
        "mob": "minecraft:bat",
        "weight": 2,
        "groupcountmin": 1,
        "groupcountmax": 1
      },
      {
        "mob": "statues:statue_bat",
        "weight": 6,
        "groupcountmin": 1,
        "groupcountmax": 1
      }
    ]
  }
]