Quintus is a desolate world of the Imperium, south of Chogoris.
The planet is one of the Imperium's chief bulwarks against Ork warbands which emerge from the Jagal Stars. It is most notable for being the location of the final battle of the Hunt for Voldorius. During the battle, the Daemon Prince managed to conquer most of the planet after its PDF was corrupted by Alpha Legion forces. However after the death of Voldorius, the planet returned to the Imperium's fold.
- Mankarra — Capital city
- Cathedral of the Emperor's Wisdom — Basilica