Kaede instinctively tried to duck away from the fireball, and as a result his back got singed partially.
 
His thoughts boiled down to bellowing in pain, barely able to stand or concentrate. He had burned himself cooking before, but that didn't compare to this, the monster's flame was a lot hotter than the average stove. He motioned weakly towards the girl who he saw healing the others, but noticed the monster about to take advantage of his weakened position. 

Kaede tried to dodge the second fireball, but was less successful, and it scorched his legs. 
[i]Breathe, Breathe. Of course it hurts, you're not invincible, you're not a superhero. Though this would make a good origin story, and with the lightning power I could joke and say I was Thor... and ow, shit, legs.  [/i]