He used to be found at his shop on the upper floor of the Fighters Guild in Haven after the city was liberated. As of November 26th, 2017, the fighters guildhall is inaccessible after the quest. Gwannas now remains on Fisherman's Isle.
He's amazed at how the guild could have lost its hall.
- "Baffles me how we were driven out of the guildhall. It's not like our equipment is in poor shape or anything. I maintain it myself!"