Hellboy's struggle with Koshchei continues, as Gruagach and the witches draw closer to their sinister quarry. The long-awaited follow-up to 2005's The Island, the six-issue Darkness Calls sees Mike Mignola pushing his greatest creation, Hellboy, toward the next major turning point in his life, with haunting art by Duncan Fegredo (Enigma, Ultimate Adventures). Hellboy vs. Koshchei the Deathless!