From A Wiki of Ice and Fire
Thrall's Bane is an ironborn longship and part of the Iron Fleet.
A Dance with Dragons
Thrall's Bane is part of the Iron Fleet contingent dispatched to Slaver's Bay. Thrall's Bane and Seven Skulls capture a fishing ketch, whose master tells Victarion Greyjoy that Daenerys Targaryen has flown away on her dragon, beyond the Dothraki Sea.
- ↑ A Dance with Dragons, Chapter 63, Victarion I.