Summary
The Duchess of Queensbury is the end boss of Queensbury Crypt and the first major showcase fight of the game's boss design.
How the fight goes
The fight opens with a statue-like phase and then escalates into a more aggressive reveal. Stay patient, respect the arena, and punish only after the boss commits.
Attack patterns
Watch for wide swings, floor pressure, arrow fire, and the faster tentacle pressure once the reveal happens.
Spoils of the fight
This encounter marks the end of Queensbury Crypt and the beginning of the game's major boss route.