Ocean of Fear - William King - Bog

"The King of High Adventure," Starlog.
"Immediately convincing, classically brooding," Steve Tompkins, TheCimmerian.com
To the world at large, he is a mercenary and assassin, a brutal killer with a deadly blade. In reality, Kormak is a Guardian, one of an ancient order sworn to protect humanity from the servants of the gathering darkness.
OCEAN OF FEAR
The survivors of a burned out village set Kormak and a crew of bounty hunters on the trail of the pirate known only as the Kraken. The hunt leads from the haunted ruins of a cursed city to the buccaneer stronghold of Port Blood and reaches a bloody conclusion far beneath the waves of the ocean. For the Kraken is a sorcerer with a deadly secret and he plans to waken the most powerful demon of the ancient world.