Legend has it that on London's blackest night in 1834, the secret Brotherhood of Hecate rediscovered the key to the darkest regions of man's unholiest fears. It is said that through this arcane act, they released into the dark, foggy streets of London the most horrifying creatures the world has ever known. But facing these beasts were two mysterious warriors. And on this fateful night, they engaged in a decisive battle to deliver the fate of millions. This is their story.