{
  "display": {
    "icon": {
      "item": "thebetweenlands:sludge_slicer"
    },
    "title": {
      "translate": "advancements.thebetweenlands.fighter.sticky_situation.title"
    },
    "description": {
      "translate": "advancements.thebetweenlands.fighter.sticky_situation.description"
    }
  },
  "parent": "thebetweenlands:fighter/chopping_boy",
  "criteria": {
    "sludge": {
      "trigger": "minecraft:player_killed_entity",
      "conditions": {
        "entity": {
          "type": "thebetweenlands:sludge"
        },
        "killing_blow": {
          "source_entity": {
            "nbt": "{\"SelectedItem\": {\"id\": \"thebetweenlands:sludge_slicer\"}}"
          }
        }
      }
    }
  }
}