Depeds on your goal. If u play pure melee char whirlwind is a good thing to have, but comparing to mage, ranger and priest abilities it is waste.
Firewall can kill any amount same lvl or 1-2 lvl higher mobs in a few seconds as long as they are in the area of the spell. And you don�t have to stay there. Just push one button and collect xp on the run.
Or get 2 maxed out pets and they do heavy fighting for you,
Spend some time and play with abilities. If you correctly combine active and passive this game is very easy .
