Ahzidal's unique enchantment is called "Ahzidal's Rage". It grants bonuses to fire damage and resistance:
The mask is useful for fire mages due to its + 25% fire damage, and for vampires due to its 50% fire resistance, which offsets their weakness to fire.
Dunmer become nearly immune to fire with resistance capped at 75%, Providing them with great protection from flames.
|Dragon Priest Masks|
|Skyrim||Hevnoraak • Konahrik • Krosis • Morokei • Nahkriin • Otar • Rahgot • Vokun • Volsung|
|Dragonborn||Ahzidal • Dukaan • Miraak • Zahkriisos|