Minecraft wiki entry for Achievement_guide, associated text: Enchant a sword with Bane of Arthropods, Smite, or Sharpness with a level high enough to deal together with the sword's base damage at least 18 × 9 in one hit to a mob/player. Alternatively, enchant trident with Impaling. Dealing critical hits greatly helps for this achievement. Potions of strength will count as increased damage so strength will make this achievement easier. The netherite sword is the easiest.