Mignola returns to Hell and to the bizarre folklore that's filled some of his greatest books, reuniting with one of his favorite collaborators, Ben Stenbeck (Frankenstein Underground, Witchfinder: In The Service of Angels, Baltimore). This volumes collects the complete six-issue series plus bonus material.
Sent to kill Hellboy by the Baba Yaga in Darkness Calls, Koshchei the Deathless hinted at