House Greyjoy vs Corsairs of Umber

naval battle of the pirates

they get 30 longships each

book greyjoys with euron in command

to the death

The ironborns at the best naval fleet in Westeros

Unless Victarion uses stupid force or something , Greyjoys stomps the sh*t outta them.

i havent read much lore on corsairs. but i know they were a major pirate threat to gondor