[
  {
    "type": "terrain",
    "id": "t_nl_mist",
    "name": "swirling mist",
    "description": "A swirling, exotic pattern of shapes, floating in an ill-defined darkness.  Staring at it too long hurts your brain.",
    "symbol": "|",
    "color": "green",
    "coverage": 100,
    "move_cost": -1,
    "flags": [ "NOITEM", "SUPPORTS_ROOF", "WALL", "NO_SCENT", "AUTO_WALL_SYMBOL", "BLOCK_WIND" ]
  },
  {
    "type": "terrain",
    "id": "t_nl_chasm",
    "name": "sparkling chasm",
    "description": "At a glance this just looks like darkness.  Then, gazing deeper, you think it might be full of stars.  Still deeper, perhaps those stars are eyes?",
    "symbol": "*",
    "color": "dark_gray",
    "move_cost": 1,
    "coverage": 100,
    "trap": "tr_nl_chasm",
    "flags": [ "TRANSPARENT", "SUPPORTS_ROOF", "INDOORS", "FLAT", "NOITEM" ]
  }
]
