We didn't want to put human children, who are not born for battle like we are, to fight our war. But no matter what we seem to throw at this threat, well... Many of our soldiers sent to aid other Areas simply haven't come back.

[ ...They've been fighting, but it just. Hasn't been successful, in other words. ]

We don't know where this virus came from, or why it's turning the world to glass. Simply that it is, and that it infects things similar to what you call cordyceps. No one who's lived to tell about it has seen the source of the infection. You're our last ditch effort, as it were.