After reaching the ruins of Pandemonium, Koshchei the Deathless comes face-to-face with someone from Hellboy's past. Hope grows thin when they reveal their plans for the ruined realm, and Koshchei once again finds himself in the fight of his life or death, as the case may be. Mignola, Stenbeck, and Stewart bring fans the next incredible chapter in Koshchei's tale!

Koshchei uncovers a plan to release a long-hiding evil that seeks power over Hell. An unlikely companion, possibly the last demon in Hell, could be either a friend or a foe.