The ability to adapt to any and all phenomena. The strongest shikigami within Ten Shadows. None of the Ten Shadows users before Megumi weren't able to tame it. It carries the Sword of Extermination which it imbues with normal or reverse CE depending on the circumstances. Mahoraga's adaptation lets it overcome and surpass the "phenomena" wielded by its opponents (their own attacks or defenses), and this adaptation is ceaseless, with the entity continuously evolving to better counteract threats