[just because he would die to save people doesn't mean he wants to right now--have to keep living--but he's not dumb, he knows he's bitten off way more than he can chew, but he'll survive as long as he can]

[raising his keyblade again for another high-level spell, the strongest he knows, pouring all his determination into it]

Light!

[and pillars of solid, blinding light, the same stuff that gives his keyblade bite, burst out around him, maybe thirty feet tall, spreading out from him and rotating in a great radiant circle. (this would also heal him but he hasn't actually taken any damage yet.)]