Thulsa Doom's evil snake-god, Set, is bringing him back from the grave so
Doom can have vengeance on Sonja. But Set has his own hidden agenda. As Doom
rises from the hellish depths to smash Sonja's palace, Sonja is lucky just to
escape with all her limbs attached. Doom owes a heavy debt to his god Set for
his new-found power. Set didn't revive Thulsa out of charity; it needs the
undead sorcerer to carry out a horrific rite that can only be performed once
every thousand years. The results of this dark ritual? Only Set knows the full
The Queen Sonja Volume 4 TP collects issues #16-20 [the "Son of Set"
storyline], along with a complete cover gallery.