[Ranylyn]

I think Chaos's first suggestion is fine on a basic level, so long as it doesn't go any higher than 25%. Pre GR, Will was a mage's "God Stat" in the sense that you basically didn't need anything else if you could nuke things into oblivion quickly. Which I hated, but moving on. As things stand now, a tank mage can be capable of high damage with low will, by primarily building for defensive stats and using a tome that scales with said defensive stats. So this seems to be a good balance of "hey, take your will" and "You can't just builld Will to become the ultimate caster."