At the end of the game, my Mage had 6 points in Air, Water and fire, and 5 points in Earth.
Mana cost: 372
Damage Air/Fire/Water: 71-154 each
Damage Earth: 52-112
Total damage: 265-574
Nothing lasted for long against that, I assure you <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />