I really do hate Mages who can't manage there MP..

I can Use Nothing but Doomspike and Chaos Thrust on my Lancer, waste all my TP and wait for Cooldowns and TP regen.. But I don't. No one does. It's called pacing yourself. You use your low level skills to do DoT and then use your High power skills when you need or have a chance for Spike Damage.

Blizzard > Fire > Thunder > Blizzard > Fire > Thunder > Blizzard > Fire > Thunder > Thundara > Parsimony > Thundaga

is going to do alot more Damage than

Thunder > Thundara > Thundaga > Thunder > Thundara > Thundaga > Wait