While on a routine mission to recover secrets from the reclusive Nightsisters, Sidious is tricked by Mother Talzin into accepting a power even he may not be able to handle. When Darth Plagueis becomes infected with it as well, the Sith Order spins into disarray. But Sith do not give up easily, even if their Grand Plan may require some--recalibration.
Set in an AU where Ghirahim rises from the lowly Fool of the Demon King Releris to the ruler of all the Lower Realms. But as the demon lord tries to destroy the Seal and take the sunlit lands of the surface for the demons, he encounters resistance...