Isaac is a character in the animated series Castlevania. In season 3, Isaac met the Captain, a mysterious and wise sailor who causes Isaac to rethink his plan. After winning his battle in Genoa, Isaac unexpectedly finds himself at peace, having done something that he views as genuinely good and helpful to the world). In season 4, Isaac is dealing with the fallout of having no clue how to run a kingdom. He should have offered Lenore a job if hed been wiser and truly. Inside the castle, Isaac battles Hector for the final time. He dies from the fight, and Hector does not fall victim to the curse.