They weren't the only half-elves who saved the world before. How long until humans betray them, too?

[ That cynicism will likely always be there, Zelos. He can tell by the pride at the end there that Zelos might have some kind of personal stake in what he pointed out. It didn't matter. Not when he knows that humans haven't changed one bit when he did the same thing to protect the world four thousand years earlier. ]

Why should I believe this time will be any different?