On the ARK, Tails reveals he has made a counterfeit Chaos Emerald to destroy the Eclipse Cannon. As Sonic is about to use it, Eggman tells him that he has captured Tails and Amy, forcing him to return and rescue them. Sonic tries to trick Eggman with the fake Emerald, but Eggman jettisons him in an escape pod rigged with explosives. Tails, thinking Sonic is dead, defeats Eggman. Sonic uses the power of the fake Emerald to escape; Shadow is sent to intercept him, but Sonic defeats him and destroys the Eclipse Cannon.