Lord of the Castle

After Dracula's defeat Castlevaina doesn't disappear like it should, instead Alucard inherits it. Fearing that the evil within the castle will have a negative effect on mankind Alucard seals himself and the Castle to the bottom of the ocean so his family's evil will never again harm the world of man. 500 years later Alucard awakens to a new world, one of man and Superheros