Armor of Invulnerability

D&D 2024 item: Armor of Invulnerability. Source: Dungeon Master's Guide (2024). type Heavy Armor, Legendary rarity, Requires attunement, armor class 18 You have Resistance to Bludgeoning, Piercing, and Slashing damage while you wear this armor. Metal Shell You can take a Magic action to give yourself Immunity to Bludgeoning, Piercing, and Slashing damage for 10 minutes or until you are no longer wearing the armor. Once this property is used, it can't be used again until the next dawn. Requires attunement Heavy Armor Legendary