Originally Posted by
theundeadhero
Cersei won't die before Tommen. I would guess all the faith buildup is the how and why he dies. It's possible Margaery kills him, but who knows? Afterwards, would there be anyone to legally claim the throne? I guess there's two Lannister males left, not counting Tyrion. It wouldn't make much since for Tywin's brother take take the throne plotwise, but it would be really interesting if that meant Jaime took it. Especially because it opens broader reasons for the Breinne x Jaime romance plot. He could now that he's not kingsguard and that would be particularly interesting since he killed a former king.