Seems like Haesu is possessed by another entity. We saw the child he was and we know what he looks like as a teen... I think he was drowned by one of those water gouls and possessed by the tree.
That, or he was drowned as a kid and eventually turned into what he is today
Seems like Haesu is possessed by another entity. We saw the child he was and we know what he looks like as a teen... I think he was drowned by one of those water gouls and possessed by the tree.