Maddgoth's Helm

D&D 2024 item: Maddgoth's Helm. Source: Waterdeep: Dungeon of the Mad Mage. type Other, Very Rare rarity, Requires attunement by a humanoid While you wear this helm and are inside Maddgoth's castle, on its roof, or in its courtyard, you have immunity to all damage. If the helm is taken from the castle, it turns to dust and is destroyed. Requires attunement by a humanoid Other Very Rare