I dont want an archmage in my party.
Just kill him. It's ok.
I kill Lae and Gale all the time because I hate them, and it's not wrong because they are not real.
I actually don’t mind Lae. She’s not the nicest person but at least she’s direct and to the point. She has a goal and doesn’t want to deviate from it. I can respect that kind of purity in pursuit of a goal. Besides she’s a pretty good fighter.
Gale is all sorts of useless. He is constantly needing help because the mobs tend to target him and he destroys precious magic items. I killed him once and regretted though. Not because he’s dead but because his body and necrotic aura was in front of one of the waypoints. Next time I need him to move a little.
Larian may I suggest Gale be allowed to consume any magic item and not just the best ones? I really think people will avoid this guy once mercenaries are implemented.