Dr. Starline and Metal Sonic were currently residing in Starline's secret laboratory in the rural outskirts of Empire City as he continued with his project. He worked tirelessly, day and night, trying to perfect the ultimate weapon that he was going to eventually use to overthrow Eggman and conquer the planet for himself, and himself only. Thinking that the fusion of Sonic's, Shadow's and Silver's powers would create an opponent that couldn't possibly be defeated, Starline remained assured that this experiment of his would succeed greatly.
"It's all coming together." said Starline with a deep sigh of accomplishment. "Should just be another day or so before my little friend can be unleashed upon this world. And when it does, Eggman, Sonic, everyone will bow down to me. Uh, Metal! You've been a faithful companion of mine throughout this whole endeavor, and because of that, you will be spared."
"Spared?" asked Metal Sonic with a disappointed tone. "Sir, with all due respect, that doesn't sound like much of a reward considering I've helped you keep this entire process a secret."
"Do not question me." snarled Starline. "Just be thankful for what you're getting. This is my creation, this will be my mutiny, and the world will be mine to conquer. You're just some aging robot who was looking out for me."
Metal Sonic immediately felt depressed after hearing what Starline had to say about him. He had just now realized that Starline was just using him for his own benefit, the same way he used Eggman. Metal Sonic knew that he had to get his revenge and had nearly lashed out and killed him, but he knew that maybe that wouldn't be the most beneficial approach, so he pondered about another possible revenge plan as he just sat back and watched Starline continue his pain staking work.
"I should've known it would come to this." Metal Sonic thought to himself. "I should've known that Starline was just going to make me his puppet then throw me away as soon as he got what he wanted. But his callousness will become the cause of his demise, and now that I am aware of it, he is going to regret it for sure."
"Y'know Metal, it's interesting..." said Starline after making a neat realization. "...the inception of this brand new weapon of mine is very similar to you in a way. As I recall it, you were created through Sonic's DNA as well, were you not? Hmmph, and now, I'm over here creating something far more powerful than you could ever be, and he's the one who thinks he's "improving on my shortcomings". Ha! He used Sonic to create some janky machine that's failed him numerous times, while I'm using him and two other hedgehogs to create the most powerful being anyone on this planet has ever seen."
The more he had to endure Starline's harsh comments, the angrier and more vengeful he became. Good thing he had already thought of an idea as Starline was busy with his pretentious spiel, the onlt thing he needed was to have Starline leave the room for a short period of time.
"Alright Metal, I'm gonna need a moment. I have to tend to the wounds that old cunt gave me earlier." whined Starline, who was referring to Rouge. When Rouge ambushed him during her eavesdropping, she managed to shatter his glasses while giving him a black eye, as well as some cuts and bruises across his face.
But now that Starline has exited the room, Metal Sonic now had the perfect opportunity to put his plans into action. He had to get his revenge on Starline for just using him for his own gain and not giving him any merit for his assistance.
"Sonic...I know you and I don't exactly see eye to eye." said Metal Sonic as he put his hand on Sonics vial. "I'm not expecting any forgiveness for everything that I've done for the Empire and the many attempts I've made to take you and your friends' lives, but I am deeply sorry. I've been so ignorant, people have been using me this entire time and I should've realized this sooner. But now that I do, I must do something about it. Eggman and Starline have been torturing you to create these horrid monstrosities, and know that I'm aware of the situation, I have to set things right. I'm not just gonna sit around and take this anymore, we have to take these awful people out of the picture before they continue to bring more misery to all of us. The world needs you three, so I guess it's time to set you all free."

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Sonic Apocalypse
FanfictionCharacters and contents are a property of SEGA. I do not own anything. *PLS HIT THE VOTE BUTTON, IT REALLY HELPS ME OUT* After facing countless defeats at the hand of his arch nemesis, Doctor Eggman escapes what would've been a life of imprisonmen...