{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "P",
    "O",
    "O"
  ],
  "key": {
    "P": {
      "item": "minecraft:obsidian"
    },
    "O": {
      "item": "magic_pollution:purification_crystal"
    }
  },
  "result": {
    "item": "magic_pollution:obsidian_staff",
    "count": 1
  }
}