enabled: true
block: {
  location: blackstone
}
source: [
  netherrack
]
gen: [
  {
    height: [ 5, 27 ]
    size: 33
    count: 2
    stage: UNDERGROUND_DECORATION
    biomes: {
      names: [
        warped_forest
        nether_wastes
        soul_sand_valley
        crimson_forest
      ]
    }
  }
]
