{
  "anvil_cost": 4,
  "description": "Gravitron",
  "effects": {
    "minecraft:tick": [
      {
        "requirements": {
          "condition": "minecraft:inverted",
          "term": {
            "condition": "minecraft:entity_properties",
            "entity": "this",
            "predicate": {
              "type_specific": {
                "type": "minecraft:player"
              }
            }
          }
        },
        "effect": {
          "type": "minecraft:explode",
          "attribute_to_user": true,
          "knockback_multiplier": {
            "type": "minecraft:linear",
            "base": -0.3,
            "per_level_above_first": -0.3
          },
          "offset": [
            0,
            2,
            0
          ],
          "radius": {
            "type": "minecraft:linear",
            "base": 5,
            "per_level_above_first": 1
          },
          "block_interaction": "none",
          "small_particle": {
            "type": "minecraft:ash"
          },
          "large_particle": {
            "type": "minecraft:ominous_spawning"
          },
          "sound": {
            "sound_id": "minecraft:block.respawn_anchor.ambient",
            "range": 0
          }
        }
      }
    ]
  },
  "max_cost": {
    "base": 65,
    "per_level_above_first": 9
  },
  "max_level": 5,
  "min_cost": {
    "base": 15,
    "per_level_above_first": 9
  },
  "slots": [
    "head"
  ],
  "supported_items": "minecraft:player_head",
  "weight": 2
}