From A Wiki of Ice and Fire
Sea Demon is a war galley of the royal fleet in service to Stannis Baratheon. It has one hundred oars.
A Clash of Kings
Sea Demon is part of Stannis Baratheon's fleet commanded by Ser Imry Florent during the Battle of the Blackwater.
- ↑ 1.0 1.1 A Clash of Kings, Chapter 58, Davos III.