[
  {
    "type": "overmap_special",
    "id": "Triffid Blossom",
    "overmaps": [ { "point": [ 0, 0, 0 ], "overmap": "triffid_blossom" } ],
    "locations": [ "wilderness" ],
    "city_distance": [ 5, -1 ],
    "occurrences": [ 90, 100 ],
    "flags": [ "TRIFFID", "OVERMAP_UNIQUE" ],
    "rotate": false,
    "spawns": { "group": "GROUP_TRIFFID_OUTER", "population": [ 125, 175 ], "radius": [ 2, 2 ] }
  },
  {
    "type": "overmap_special",
    "id": "Triffid Garden",
    "overmaps": [ { "point": [ 0, 0, 0 ], "overmap": "triffid_garden" } ],
    "locations": [ "wilderness" ],
    "city_distance": [ 5, -1 ],
    "occurrences": [ 90, 100 ],
    "flags": [ "TRIFFID", "OVERMAP_UNIQUE" ],
    "rotate": false,
    "spawns": { "group": "GROUP_TRIFFID_OUTER", "population": [ 100, 150 ], "radius": [ 2, 2 ] }
  },
  {
    "type": "overmap_special",
    "id": "Portal Reef",
    "overmaps": [ { "point": [ 0, 0, 0 ], "overmap": "portal_reef" } ],
    "locations": [ "wilderness" ],
    "city_distance": [ 5, -1 ],
    "occurrences": [ 90, 100 ],
    "flags": [ "NETHER", "OVERMAP_UNIQUE" ],
    "rotate": false,
    "spawns": { "group": "GROUP_ALIEN_REEF", "population": [ 100, 150 ], "radius": [ 2, 2 ] }
  }
]
