My lvl 17 sorceress is doing decently in the maggot hive. Focusing on the lightning tree, and strangely enough going melee. I will admit the whole umbral disk thing helped, a combo of blinding and knocking back the enemy with very fast attack speed is useful for this kind of character.
Static Field + Teleport + Energy Shield + Chain Lightning + Enchant = Fun when it is ready.
Static Field + Teleport + Energy Shield + Chain Lightning + Enchant = Fun when it is ready.