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!**