i would say it'd have to be the end of fable,like you said about assasins creed,fable had a kick ass story,but in the end,its either you kill your sister and keep the sword or let her live and throw it into the void,what about secret options c*leave with the sword,but dont kill your sister???*or what about D,*you jump into the void,or even E,which would be fun as hell*push your sister into the void :D*