# Dirge of Airidah

Unique Ring in Diablo IV Season 15 (patch 3.2.1).

**Unique power:** Storm Skills that you Cast grant 1 Spirit and deal [25-35%][x] bonus damage. These bonuses are doubled when damaging a Vulnerable, Immobilized or Slowed enemy.

## Affixes
- +111 All Resist
- +[4-14]% Vulnerable Damage (4-14%)

## Where it drops
- World drop (any difficulty, drop rate scales with Torment tier)
- Dedicated drop: Astaroth, the Charred Duke (Escalating Nightmare Dungeon boss; Boss Trophy: Ash of the Charred Duke)
- Horadric Cube: Item Transmutation (Upgrade to Unique) - Common item of the same slot + 1 Enhanced Primordial Dust + 10 Primordial Dust (random Unique of that slot)
- Horadric Cube: Item Transmutation (Amalgamation) - 5x Ash of the Charred Duke (Boss Trophy) rolls a Unique from this boss's pool; can roll Mythic quality with the 'Crafted' tag