{
  "type": "forge:add_features",
  "biomes": "darkerdepths:molten_cavern",
  "features": [
    "darkerdepths:darkslate_placement",
    "darkerdepths:amber",
    "darkerdepths:molten_pool",
    "darkerdepths:molten_spring"
  ],
  "step": "vegetal_decoration"
}