As the ultimate plan, eggman lures sonic to his base. When he does so he leaves a note for Amy, not knowing if he'll ever return. Of course when sonic is lured in the base soon explodes, having eggman escaped with it. No one knows whether Sonic actually died on the base, and after a while come to the decision that he's dead, leaving a tombstone for him. Both Amy and Tails are the most upset, not knowing that Sonic was kidnapped by Eggman, being held in his base all along. Sonic isn't conscious for most of the time being, having been knocked out. When he finally wakes up he is unaware that Eggman had captured Amy, and when he goes to find her, she's nearly killed. To his despair, Eggman decides to have a little 'fun' (dear god i'm making this sound so dark o_o) time after time Sonic tries to break free with Amy, Only to be knocked down again. Amy and Sonic both try to stick together, knowing that as long as they're together there will always be hope. In the end, Eggman ends up killing both Sonic and Amy.