History of Calus's Greatest Shame

Calus's Greatest Shame is the final encounter of the Duality dungeon, fought in The Depths against the Nightmare of Caiatl, Princess-Imperial. It comes after the dungeon's earlier encounters, which include the Nightmare of Gahlran, Sorrow Bearer, and the three vault bosses.

Rewards

Duality's armor reward is the Deep Explorer Suit, with Hunter, Titan and Warlock versions. Deep Explorer Suit pieces are among the dungeon's loot.