Larian Studios Forums Baldur's Gate III Baldur's Gate III - General Release Date Revealed (31st of August 2023)

Well the trailer was directed in a way to make you understand where Ketheric comes from. How he fell. And yeah, he's relatable.

If i can try to guess, i would say that when he lost his family his faith just died. And he became spiteful, searched for a new way to destroy what he stood for.

So 2 possibilities.

He was a paladin of Selune, or someone else, and he fell for Shar after experiencing loss. Which begs the question, where does the Absolute fit in?

Or, he lost his wife, embraced Shar, lost his daughter, and then hated Shar as well, turning to a new power, the Absolute. Maybe the Absolute is just an Elder Brain wanting to destroy civilization and the gods as we know them. Who knows.