BloodMagic/src/generated/resources/data/bloodmagic/recipes/arc/weakbloodshard.json

{
  "type": "bloodmagic:arc",
  "input": {
    "item": "bloodmagic:infusedslate"
  },
  "tool": {
    "tag": "bloodmagic:arc/reverter"
  },
  "addedoutput": [
    {
      "chance": 0.2,
      "type": {
        "item": "bloodmagic:weakbloodshard"
      }
    }
  ],
  "output": {
    "item": "bloodmagic:weakbloodshard"
  }
}