Lightning to Appear in a FATE in Final Fantasy XIV

[Mirage]

Because it doesn't make sense for her to appear in the middle of a world that is completely different, and has nothing to do with whatever game Lightning is from. It's like A Na'vi showing up in Titanic, except that can't happen because the Titanic movie came first, but whatever.

Well XIII-2 was kinda like time travelling thing from place to place and stuff... + some FF fans really like to see their favorite characters in the other games ^_^

PS: Besides, as i understood it... It is only in one of the FATE's from who knows how many there will be... + FATES infact are pretty much optional, therefore it doesn't force you (( who don't like the idea of her being in this game)) to do that exact FATE...

FFXIII-2 was. Not FFXIV. There will be a lot of fates, but that's irrelevant. If there was a fate where you killed a naked prostitute with dick-shaped swords, would you be fine with it because it's just one of many, and also optional?