Repairs on the Death Egg are finally complete. All that is needed now is a power source, and Robotnik, his sights set on the Master Emerald, dispatches a Badnik to retrieve it. Meanwhile, Sonic and Knuckles have found their way to the volcanic Lava Reef Zone under the Launch Base Zone, the Death Egg sitting right on top of the volcano. Suddenly, they are attacked by a massive army of EggRobos, one of them being used by Robotnik to speak to the heroes directly. Knuckles breaks a wall down, drowning the Eggrobos in molten lava, and leads Sonic to the nearby Emerald Chamber, where his worst fear has been confirmed: The Master Emerald is gone, and without it, the Floating Island will fall to Mobius in just a few hours. Their questions about where it's gone however are answered by a glow from a