Originally Posted by
Stingray1
The servants can't see in darkness. Use the archmages darkness against him. The servants won't move while next too you in darkness. Just melee through them. Check with an amulet of light or wand of monster detection Use your class power now and then to see where the archmage is. If you don't have PP use the striked methods.
When in range disable him with a potion of blindness, confusion or cursed invisibility or phial of caladriel. Stab a few holes in him under darkness.
IIRC the annihilators, WMoPC can see in darkness. Take care.
P.S. If you hit the karmic monster only once then you probably only lost Fate Smiles.