Megasquid

Ships that should have the misfortune of encountering this monstrous cephalopod will soon find their keel snapped in twain, then drawn in to the beast's razor-beaked maw, never to be seen again. Or so claimed a captain found clinging to a reef in the northern Strait of Merlthor. Some say the smell of ale on his breath gave the lie to his tale, but any seaman worth their sea salt treads those waters with caution all the same.