Lightfall part 2.Mega Man and Mega Mini train by practicing the ability to cycle through their schematics. Obsidian arrives at the Lighthouse to find the Mega Key, a device that gives people total control over robots. While fighting him, Rush take the blast from one of Obsidian's guns angering Mega Man who then proceeds to use his new technique to finally defeat him. At the last minute, a new robot dubbed Namagem arrives and rescues Obsidian who returns to his base where Fire Man, Drill Man, and Wave Man are startled by his loss. Rush is fixed and given his own armor and now joins Mega Man on his missions to fight crime.