"Terrible powers determined to kill Hellboy force him strike a deal with the Russian witch, the Baba Yaga, and to confront the truth about his destiny. The human race hangs in the balance, as well as King Arthur's sword Excalibur, in a story that wipes England off the map and sets in motion the end of the world... 
Mike Mignola and Duncan Fegredo's complete trilogy is collected for the first time in this 512-page volume, reprinting Darkness Calls, The Wild Hunt, The Storm and the Fury, and the short story The Mole."