"Stop, I can sense it, that things is near . . . . ."
in the FF9 era, there is some black mage who regain their "consciousness" and then they seen their mate dead in the war, and then many of the black mage who run far away, and then build a little village, and they living there waiting until they "stop moving" or dead.
and they began to realize something when they using magic, their lifespan was shortened, because they using the mist power within them which is quite limited. so they began to developing weapon for defending themself without using magic.