Quote Originally Posted by Reynhart View Post
Well, FFXI did a pretty good job at throwing the lore out of the window to allow this.
Not sure if it's a good example to follow
Well in XI's defense, each expansion had a different scenario. One quest I remember was tied to both RotZ and CoP was Apocalypse Nigh. In order to do that quest, you had to have beaten both those expansions because it drew conclusion to both expansions.