Small a/n: sorry about the last chapter being so short. I was trying to use the antisepticeye text for the part where Echo seemingly glitches out and it's harder to use than I first thought so when she speaks could you please just imagine that's how she talks? Thanks.
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Megatron dropped straight to the ground and was completely out. Echo looked at him "Is it fun now? After all you did to me, because this is fun to watch you drop like a rock." She growled and moved him over before being tackled by Angel. A fight of power broke out between them!
Fists to face, gut, and helm.
Echo seemed to be faster and Angel was trying to keep up. Optimus and the other shot at Angel when she would attack Echo, giving her the chance to get away or strike harder. Angel gripped Echo's wing and snapped it! "AAAHHHHH!!!!!" Echo screamed as pain racked through her body. She wasn't letting it take full control so she was drifting in and out of her programming. She gasped out in pain as Angel threw her to the ground "You were always weaker than me, sweet Baby, but that's alright your supposed to be the submissive one." Stepping on the broken wing and squished it a bit more. Echo grabbed her leg and screamed out "Ah!!" "See, I know that your afraid to let your programming control you." She giggled and smiled, this amused her "You'll always be the weak link." Echo stared at her with widened optics. She knew what she said was the truth, she'd always be the weak link. Her body shook but there was a part of her spark that refused to go through the raping again, a part that wanted to only be touched that way by her sparkmate! She groaned in pain and just let the programming take over.
Angel looked at Optimus "See Prime, you can always control Echo, she's-" a blast sent Angel flying away from Echo, who rolled over and sat for a second. She laughed lightly "What was that you said about me, Angel? I'd always be the weak link? I'm too scared to let my programming take control! YOU KNOW WHY I AM! AND NOW YOU'RE GOING TO PAY FOR WHAT YOU DID!!!!" She disappeared from sight. Angel stood and turned in all directions as quickly as she could, looking for any sign of Echo. She didn't want to admit it but she was truly scared of Echo's programming.
The bots looked around "Where'd she go?" There was a very high pitched sound that drove Angel, and the others, to her knees and covering her audios. She cried out!
Echo appeared behind her and ripped out her beating spark!! She shoved Angel's dead body over as she feasted on the white femme's spark. As she stood in place, it was like she was a glitchy computer program. She glitched in and out, a few bit of side to side and up and down kind of thing.
She looked at the others, who said nothing about the spark thing, then she walked over to Megatron. She looked over his unconscious body, determining if she should kill him or just go home to be with her mate. She looked at him, the first one sounded so good but she preferred the latter. She walked back over to Soundwave, after finishing off Angel's spark, and she was back to her normal self. Soundwave hugged her close to him "I love you." It was three whispered words but to her he might as well been shouting to the whole world. She smiled softly and nuzzled his chassis "Let's go home." He looked at the others, Optimus decided that they could take Megatron prisoner.

~home~
They captured Megatron and decided to drain the Dark Energon from his system and try really hard to get him to help end this war peacefully, even though it ended six human years ago, but he doesn't know that.

Soundwave too Echo back to one of the most beautiful spots on planet earth. They watched the beauty, talked, all the dirty and roughest sex they could. (No where near humans, don't worry xD)
Echo later had a sparkling, it was a mech. Had the shape and colors of Megatron. Had his strong build and sort of looked like a mix being Soundwave and Megatron. But that was okay, they love their sparkling even more. They named him Mercy. But his nickname, giving to him via wreakers, Torment, stuck more. But now that they war was ended they all worked on rebuilding Cybertron. Mercy was the first sparkling born out of the war.

Years and years later Cybertron was livable again. They sent out messages to all the remaining Autobots and Decepticons that the war was over and home was rebuilt. Stories are told of Team Prime. But the most story told was: reason IT started. There were statutes built in their honor. Echo was up there as well. She didn't think she deserved to be up there with the real heros after all she was the reason IT started.
The End.