Probably just a freak? But a freak who knows a lot since he is the current lord, he learnt a lot from his predecessor.
And a kid who grew up rich, with a future to rule an entire island, who would learnt things most of the island people are oblivious of.... and he loves learning and reading books... that a twisted adult man he will become.
Different to his predecessor, he want something new.
He know the truth of how black sea creature can actually possessed an island person if some conditions are met.
He even fuck a possessed woman to get a special baby... and probably simply because he has a twisted curiosity.
He also seems to don't like things like "love", "camaraderie", "emphaty", etc. And when he see those in certain people, he feels the urge to crush it.
So yeah, just a psycho. But a necessary evil?
But what’s up with Shiyon? I legit don’t get what his deal is…???