[
  {
    "type": "monstergroup",
    "name": "GROUP_RENFIELD_UPGRADE",
    "monsters": [
      { "monster": "mon_renfield", "weight": 910 },
      { "monster": "mon_renfield_9mm", "weight": 450 },
      { "monster": "mon_renfield_shotgun", "weight": 250 },
      { "monster": "mon_renfield_flamethrower", "weight": 45 },
      { "monster": "mon_renfield_bionic_monster", "weight": 25 },
      { "monster": "mon_renfield_abomination", "weight": 25 }
    ]
  }
]
