Well, 'Planescape: Torment' climbed up to INSANE power scale in its latter half, actually. From a certain point on it was basically a battle of demigods, even if combat wasn't exactly its main focus, in general.
One of my favorite things about both Kingmaker and WoTR is that it's basically character creation porn. You can spend hours just coming up with builds and combinations.
Party control in Baldur's Gate 3 is a complete mess that begs to be addressed. SAY NO TO THE TOILET CHAIN