A spinoff of “Time-Limited Genius Dark Knight.” Leon von Marbas had no choice but to execute his father when his house was defeated in a war. Though chosen as the new lord, the renown and strength of the mighty Marbas necromancy has dwindled, and the weight of the declining clan is much too heavy for 14-year-old Leon to bear. In a time of despair, however, Marbas the Black Lion, the devil who granted the power of necromancy to his forefather, approaches Leon...