the progress for now:
did the maths
reworked the wizard.. he was able to hit for 12k crits with firebolt

what will be changed on him?
firebolt: now applies a DOT and armor reduction (-> the crits), when exploding (old effect was just epic damage). still fires 3 bolts, when you got the ancient item. damage factor: 120%, 45 damage per level
electro nova: (should) purge enemies and maybe shoot some chainlightnings (dealing int based damage), when you got the ancient item (atm its 25% damage increase). damage factor: 75%, 20 damage per level
cone of cold: greater slow duration, slow duration increases by 3 seconds with ancient item, can freeze enemys, when a critical hit is performed. damage factor: 60%, 25 damage per level
hex: duration now based on rapidity, AoE on skilllevel. duration increases by 3-5 seconds, when you got an ancient item
psyon force: got some issues with the graphics, because warcraft does only show one wave out of 5, when a dummy is casting this. might just do the effect with triggers...
anyway: deals now damage based on wisdom and 10% of your current mana (maybe some more with ancient item). damage factor: like 10-20%, damage per level was 30 i think..
ok, so what does damage factor mean?
its one of the changes. it is basically a factor, telling you how much of your base damage is added to the spell
(base damage is something calculating your base stat, willpower and weapon skills)