monstergroups.json

[
  {
    "type": "monstergroup",
    "name": "GROUP_FOREST",
    "default": "mon_null",
    "is_animal": true,
    "monsters": [
      { "monster": "mon_nut_golem", "freq": 2, "cost_multiplier": 8 },
      { "monster": "mon_nut_titan", "freq": 1, "cost_multiplier": 12 },
      { "monster": "mon_nut_construct", "freq": 4, "cost_multiplier": 4 },
      { "monster": "mon_nut_shambler", "freq": 8, "cost_multiplier": 1, "pack_size": [ 2, 3 ] }
    ]
  }
]