Percius Mercius is an Imperial Drillmaster, and steward of the Fighters Guild in Ald'ruhn. He gives the Nerevarine the most difficult initial quest of any Fighters Guild steward. He also offers advice on most Fighters Guild quests.
- The Necromancer of Vas: With the help of a Buoyant Armiger, clean out a den of Necromancers in Vas.
- Beneran's Bounty: A murderer named Nerer Beneran is hiding in Sargon. Go there and kill him.
- Bandits in Suran: Kill the bandits for Avon Oran.
- Flin for Elith-Pal: Deliver some Flin to the Elith-Pal Mine near Red Mountain.
- Remove Sjoring's Supporters: Kill a pair of corrupted Fighters Guild members.
- Kill Hard-Heart: Kill the Master of the Fighters Guild.