Uhm... Leap off massive edge like a badass, fall into water, shoot fireball from underwater still? Come on I thought it would be obvious that you're not able to cast that crap in water. >.>
Uhh, Waterflame anyone? I remember this tune from Castle Crashers. =D That game was hella fun! wished you put a couple more into it though rather than repeating constantly, but still very nice.