Victorian Undead horde of zombies. Being driven to a corner while learning that shooting the zombies in the head will effectively dispatch them, Holmes and Watson are saved by the arrival of heavily armed and armored Royal Marines led by the former's brother, Mycroft Holmes. After saving Holmes and Watson, Mycroft escorts them to the surface and proceeds in providing them answers. As Holmes and Watson are being escorted, Sebastian Moran spies them from afar and travels to Whitechapel, where he reports his news to his master - an undead Professor Moriarty. At the Diogenes Club, Mycroft debriefs Holmes and Watson of
Mycroft Holmes Holmes. Possessing deductive powers exceeding even those of his younger brother, Mycroft is nevertheless incapable of performing detective work similar to that of Sherlock as he is unwilling to put in the physical effort necessary to bring cases to their conclusions. In "The Adventure of the Greek Interpreter" Sherlock Holmes says: Though Sherlock initially tells Watson that Mycroft audits books for some government departments, he later reveals that Mycroft's true role is more substantial. While Conan Doyle's stories leave unclear what Mycroft Holmes' exact position is in the British government, Sherlock Holmes says that "Occasionally he "is" the British government