{
    "description": "DEATH TO THE WARDEN!",
    "supported_items": "minecraft:echo_shard",
    "weight": 1,
    "max_level": 1,
    "min_cost": {
      "base": 999999,
      "per_level_above_first": 999
    },
    "max_cost": {
      "base": 999999,
      "per_level_above_first": 9999
    },
    "anvil_cost": 9999,
    "slots": [
      "mainhand"
    ],
    "effects": {
      "minecraft:post_attack": [
        {
          "requirements": [
            {
              "condition": "minecraft:entity_properties",
              "entity": "this",
              "predicate": {
                "type": "minecraft:warden"
              }
            }
          ],
          "effect": {
            "type": "minecraft:all_of",
            "effects": [
              {
                "type": "minecraft:run_function",
                "function": "mt:items/weapons/warden_killer"
              }
            ]
          },
          "enchanted": "attacker",
          "affected": "victim"
        }
      ]
    }
  }