Skull of Endless Torment: This skull glows with the stolen life force of Shaitan.
Shaitan the Advisor
This is a very interesting untiered item. At first glance, it seems to be better than the Bloodsucker, as it has better MP cost and more damage. However, it has the smallest area of effect of any skull, making it mostly effective against tight clusters of enemies or a single, high-HP target.