12 years after the Maverick Wars during the Elf era. An evil Organic entity related to Ra-Moon and the Kuiper Droids, destroyed Neo Arcadia in which he formed himself with Human evolution turning himself into a Blob like being that resurect evil Reploids. The evil Blob resurected the Mavericks called Minotauro, Skull Reapper, The Revenger and Officer Shepardo and they created reploids (called Humanoid)s of their own to use as an army to conquer and enslave innocent Reploids. The Mavericks and Humanoids made a Robot army for their Supremor (The Blob) whom they are calling Necros Prime. They invaded a city of innocent reploids and enslaved them and Necros Prime accidenty reserected Bass and Megaman who have imprisoned Necros Prime in the Saurono Core Tombstone, the door that leads to the Doo