asteroids_worlds.config.patch

[
  {"op": "replace", "path": "/threatRange", "value": [1,6]},
  {"op": "replace", "path": "/ambientLightLevel", "value":  [70, 70, 70]},

  {
    "op": "add",
    "path": "/terrains/-",
    "value": {
      "terrainSelector": "asteroids",
      "caveSelector": "empty",
      "bgCaveSelector": "empty",
      "subBlockSelector": "largeClumps",
      "oreSelector": "richVeins"
    }
  }
]