Unicron shot ShiverTooth, causing him to crash. He hit the ground hard but managed to stay awake. He flipped onto his back as the chaos bringer landed. He held his blasters at him and Unicron just kicked him onto his chassis and then pulled his arms behind him, harshly, making the seeker yell in pain. The chaotic lord moved both of his rival's arms to one of his own hands, then grabbed his wings in another "Give me the matrix." He ordered. ShiverTooth groans "Never..." Unicron pulled harder, his foot keeping the mech down. Energon began to leak from the kid's mouth as he laid weak. Unicron demands once more "Give it to me... now...." ShiverTooth grunted and hissed. He then looks back and kicks the chaos bringer in the crotch plate.
The larger mech grunted, letting go and falling to his knees. ShiverTooth tried to leave but Unicron grabbed his leg and pulled him back to the ground. He shot at the chaos bringer multiple times but he wouldn't let go. Just in time, Optimus found them. He shot at Unicron and even used his sword. That pushed him away but it injured the seeker as his leg was ripped off. ShiverTooth breaths in pain and the autobots get to him. Wheeljack pulls him back and up against his frame. He held Shiver's leg up so it didn't bleed out.The seeker hissed in pain from his leg and the mental feeling of what was happening between Optimus and Unicron. While Optimus was down, ShiverTooth got up, transformed and flew over to him. He fell when he retransformed. The pain in his leg made him screech. Prime sat up a bit and the autobots distract Unicron.
ShiverTooth and the prime both looked to The Allspark. Optimus says "There's only one way to end this." Shivers looks to him "What way?" Prime opens his spark chamber to his matrix and then grabs the lid of the allspark container. ShiverTooth grasps his hand and looks into his eyes "Are you sure about this?" He asks, breaking a bit. Prime smiles to him and nods "I'm sure." Shivers carefully let him go. He then crawled over to him and hugged him tight. Optimus kissed him softly and then opened the allspark infront of him. The power of it went into his spark and Optimus lifted his head, tightening his whole frame as he obtained all the sparks from the vessel.
When it was done, Optimus closed it. He looks to ShiverTooth and then stands up. Before he goes to help his seeker, he was shot. He goes flying and tumbles across the Cybertronian soil. Unicron then walked over and pushed the other mech to the floor as he picked up the vessel and said "I will devour you whole!" He opens it to find nothing. "What!!??" He yells "A TRICK!!!" A loud ringing went out as Unicron was being dragged out of Megatron's body." The seeker pushes his foot off and roles to the side and looks up in horror at his old leader.
Once the chaos bringer was trapped, Megatron fell backwards. ShiverTooth was still in so much pain and realized the state of himself and started freaking out. Wheeljack and Arcee both ran to him and helped him onto his backplate where they held him comfortably and tried to console him. Prime then came over and held the seeker's face with his massive servos "Shivers, baby, relax...." Prime moves one of his hands to the ground to hold himself up and looked into ShiverTooth's streaming blue eyes.
"It's alright...." Prime calms him again. Shivers hyperventilates to calm himself and soon does. Optimus and him put their crests against each other and he calms down completely.

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In Between S2-> S3(Megatron X OC X Optimus)
RomanceSeason 2: New discoveries, new threats, new friends. With the things that happen drive ShiverTooth back into his depression state. Hopefully Megatron or some bot can drive him out before he wants to end it all. It does for almost a split second befo...