The first game I mentioned, FF9, is an almost carbon copy though.
FF9:
Bahamut is summomed to destroy the kingdom of Alexandria and stats laying it to waste. Alexander tries to protect Alexandria with a magical shield and dies in the process but saves it from absolute ruin.
FF14:
Bahamut is summoned to destroy the realm of Eorzea and starts laying it to ruin. Louisaux attempts to save the realm with a magical barrier, and dies in the process, but saves Eorzea from complete destruction.
I dont really see how some other game outside of the FF franchise can be claimed to be the source of inspiration when its an almost carbon copy of Bahamuts attack on Alexandria and almost the entirity of XIV is a mishmash of concepts, narrative points and ideas from previous FF's.
There is nothing wrong with drawing inspiration from othwr IP's, WoW or otherwise. But in XIV's case, its clearly drawing from itself.