Quote Originally Posted by troymclure
I remember there was a feature kinda like this in Shogun Total War. Been a while but i think if you where allied with someone and all their leaders died you could get some of their provinces?
Indeed there was. Same feature existed in MTW too, but it was rare to happen since there it depended on a random chance as well as on marrying princesses from that extinct faction (whom the AI factions were hesitant to give away) as a necessary condition.