Warlocks of the Sigil by Peri Akman

When Quinn was told he was deemed fit to learn magic as an apprentice, he didn’t know what to expect. He certainly didn’t expect to be plunged into a world of politics, demons, monsters, petty drama and angry primordial deities, all while being guided by an off kilter, rant-happy warlock, who has more secrets than Quinn has problems. Nothing he can’t handle, right?