[
  {
    "type": "monstergroup",
    "name": "GROUP_ZOMBIE_DOG_UPGRADE",
    "//": "No bionics or fungal",
    "monsters": [
      { "monster": "mon_dog_skeleton", "weight": 340, "cost_multiplier": 5 },
      { "monster": "mon_dog_zombie_brute", "weight": 330, "cost_multiplier": 2 },
      { "monster": "mon_zombie_dog_acidic", "weight": 330, "cost_multiplier": 2 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOMBIE_PIG_UPGRADE",
    "//": "No bionics or fungal",
    "monsters": [
      { "monster": "mon_zombie_pig", "weight": 910, "cost_multiplier": 5 },
      { "monster": "mon_zpig_brute", "weight": 45, "cost_multiplier": 2 },
      { "monster": "mon_zombie_pig_gas", "weight": 45, "cost_multiplier": 2 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOLF_UPGRADE",
    "default": "mon_wolf_skeleton",
    "//": "No bionics or fungal",
    "monsters": [
      { "monster": "mon_wolf_skeleton", "weight": 500, "cost_multiplier": 5 },
      { "monster": "mon_dog_zombie_brute", "weight": 500, "cost_multiplier": 2 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOMBIE_HORSE_UPGRADE",
    "monsters": [
      { "monster": "mon_zombie_horse_white", "weight": 250, "cost_multiplier": 2 },
      { "monster": "mon_zombie_horse_red", "weight": 250, "cost_multiplier": 2 },
      { "monster": "mon_zombie_horse_black", "weight": 250, "cost_multiplier": 2 },
      { "monster": "mon_zombie_horse_pale", "weight": 250, "cost_multiplier": 2 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOMBEAR_UPGRADE",
    "default": "mon_zombear_skeleton",
    "//": "No bionics or fungal",
    "monsters": [
      { "monster": "mon_zombear_skeleton", "weight": 500, "cost_multiplier": 5 },
      { "monster": "mon_zombear_acidic", "weight": 500, "cost_multiplier": 2 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOOSE_UPGRADE",
    "default": "mon_zoose_brute",
    "monsters": [
      { "monster": "mon_zoose_brute", "weight": 500, "cost_multiplier": 15 },
      { "monster": "mon_zoose_thorny", "weight": 500, "cost_multiplier": 5 }
    ]
  },
  {
    "type": "monstergroup",
    "name": "GROUP_ZOUGAR_UPGRADE",
    "monsters": [
      { "monster": "mon_zougar_hunter", "weight": 600, "cost_multiplier": 4 },
      { "monster": "mon_zougar_shady", "weight": 400, "cost_multiplier": 6 }
    ]
  }
]
