It's arguable. Dude ****ed up the whole world and killed damn near everyone. I don't know if you can call what the main cast ended up pulling off victory.
Well...
That's fair, but he wanted to eradicate absolutely everyone, and that didn't happen, so I'd just call it a Pyrrhic victory for the heroes, really. Coincidentally, XENOGEARS SPOILERS!
Have you ever played Xenogears? Game ends quite similarly, let's just say. Except even more, um... blatantly close to the villains accomplishing their goals.
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K | H | A | Q | Q | A | H | K
"we're about 50 years behind the rest of western society." -icon on B8