Sideswipe zipped through the forest, his focus trained on the sound of Eren's roar. His mind raced with anxiety, he wasn't sure what he was expecting to see when he reached Eren. He sensed that Eren wasn't just on a rampage, anger echoed with each roar, Sideswipe new Eren had met a titan just as dangerous as he was. After what happened to Blaster and Warpath in the fields, Sideswipe wasn't sure Eren was ready to fight a threat such as this; even with Sideswipe's training.

Flashback:

Several Months Ago

Sideswipe crossed his arms as he slowly skid around Eren, while the latter stood silently with little fear or doubt. Both were silent as the wind blew through the beautiful field of grass before them. The trees surrounding the area waved and swayed to the wind, like as if they were dancing to the wind's rhythm. The long, slender blades of grass swayed side to side to the same rhythm, synchronized to the swaying of the trees. Sideswipe's optics remained trained on Eren, examining the adolescent human

Eren was unsure about this so called autobot. He hadn't known Sideswipe very long or very well, and his trust wasn't entirely in the mechanical being, unlike Eren's other companions who had full faith in Sideswipe; they had seen him in action and worked with him, meanwhile Eren had been discovering his own powers. He was impressed by Sideswipe's achievements when listening to Sideswipe's story during the trial. Both were being tried that day for high treason, and yet Sideswipe not only won the crowd over with ease, he inspired them with his tale of the autobots winning their war. It gave the people hope, something humanity has been sorely lacking these days. If Sideswipe could give people hope, then he was at least worth a shot.

Sideswipe observed and examined Eren. The young human seemed scrawny compared to his human peers. Sideswipe himself was rather slim compared to other autobots, but his slim physique made him incredibly nimble, giving way to his impressive speed and agility. Sideswipe was well aware that those scrawny and small are not to be underestimated, and Sideswipe was eager to see what this human could do. However, Sideswipe had no idea where to start.

"So, Eren right?" he said confidently in attempt to mask his uncertainty.

"Yes sir" Eren replied sternly as if he addressing an officer.

"Cut the sir crap kid, I'm not your commanding officer, just call me Sideswipe"

"Yes si-..Sideswipe..." Eren replied.

"Oh this is gonna be a long day" Sideswipe thought to himself and crossed his arms, "so Eren, what exactly did they teach during training?"

"They taught me how to be a soldier" Eren replied sternly.

Sideswipe almost smirked, impressed with the human's answer, "Alright, soldier, show me what you got."

Eren's stern look grew as he nodded, ready to spar and moved his hand toward his gaping mouth.

"Um, what are you doing?" Sideswipe asked, "Turning into a titan, you said you wanted to see what I got" Eren replied.

Sideswipe raised an eyebrow, "And whats with the preschool arm-biting thing?"

"It's how I'm able to turn into a titan" Eren replied, "I'm guessing you found that out during Hanji's testing" Sideswipe ques tioned, with Eren giving a swift nod in reply.

"Well don't turn into your titan form just yet, I want to see what you're made of outside of that wall of muscle and rage" Sideswipe stated.

Eren's eyes widened, stunned at Sideswipe's request. This metal titan wanted to see how he fought as a human, what was the point, he wouldn't stand a chance.

"Yeah kid you heard right, I wanna see what you are when you're like everyone else, now pick up your gear" Sideswipe ordered and skated backwards on his wheeled feet, creating a large space between him and Eren. Eren remained frozen where he was, maintaining his stern look on his face, unsure what to do.

"Well, pick up your stuff!" Sideswipe shouted and Eren nodded as he began to put on the 3D Gear. Eren hitched he clumsy looking harness to his body, tightening it close to his pelvis and unsheathed his swords slowly. The short, yet slender blades shimmered in the afternoon light as Eren gripped the thin, brown hilt tightly. Eren then positioned himself in a careful stance, preparing to launch himself at Sideswipe; he didn't know what to expect or how to handle it, but Eren also wanted to know what this autobot truly could do, and what he had to offer, and this might be his only chance to find out.

Sideswipe also remained ready, he hadn't seen what Eren was capable of besides his rogue titan form. He had heard from Armin that Eren was an eager fighter, with alot of anger in his heart. Sideswipe well knew what that was like, and recognized what these passions could do to a warriors fighting prowess, beneficially, and destructively; but he needed to see what that possibility held.

"Well then? Don't tell me you're getting scared now" Sideswipe taunted and Eren eyes widened, then returned to a stern look and charged. He ran towards Sidewipe with haste, his heart skipping beats with each footstep. As he got closer he launched he grappling hooks and steam lifted him off the ground launching towards Eren towards the autobot.

"That's it" Sideswipe whispered eagerly as Eren raised his blades to attack before Sideswipe deflected them with a quick raise of his own sword. Even spun away and came looping back around only for Sideswipe to deflect the blades again, deflecting a lower blow.

"Common is that the best you can do?" Sideswipe taunted and Eren began to attack with even greater ferocity, forcing Sideswipe to actually twist and move to deflect him, "there we go, that's more like it, but where's that ferocious power everyone's told me so much about?"

Erin's eyes widen and attacked aggressively, his anger building as the autobot taunted him, but Sideswipe still deflected, albeit at increasing speed, "Tell me you're not holding out on me, or is that the best you can do?" Sideswipe questioned, continuing to follow Eren's lead in the sword dance, holding up and agile, and nimble defense, before knocking Eren away as gently as possible.

"Look's like you're not good enough after all" Sideswipe said, and Eren gritted his teeth and looked up in a mad anger, speeding back to Sideswipe in a full on sprint, yelling at the top of his lungs, rage filling his eyes and filled with bloodlust.

"Oh I think I pressed a button" Sideswipe thought, only to quickly deflect another one of Eren's airborne attacks with little time for second thought. Even slashed everywhere in a mad frenzy, losing control of all sense except for the need to kill. Sideswipe had to admit, the boy had prowess, he was capable of so much, and there was very much he could learn. However, Sideswipe would need to survive this, let alone get through to Eren, in order to train him.

"Eren okay, you made your point, WOAH!" Sideswipe exclaimed as Eren's blade jetted just above his face, the silver tip almost grazed his dark blue optics.

"Even that's enough! You can stop!" Sideswipe shouted in urgency, but his pleas went unanswered as Eren continued his barrage of attacks. His strikes were so fast and powerful, Sideswipe could barely tell if they were swords, or silver streaks of light zooming all over his face and body. If this continued, Eren could very well get them both hurt

"I SAID THAT'S ENOUGH!" Sideswipe shouted and raised his blade against Eren's in a powerful haste, breaking Eren's dual blades and knocking him away in a rough, defensive manner. Even skid across the ground before bumping into a tree. Sideswipe's eyes widened in horror, realizing what he had done. He rushed over to Eren in urgency, afraid of what harm had been done.

"Eren! Are you alright? I'm sorry!" Sideswipe exclaimed as he made his approach, but he got to Eren, all he saw was the boy sitting up with tears streaming down his pale face.

"I'm not strong enough" Eren uttered as he quietly sobbed, rivers over tears streaming down his face in despair, "I'll never be strong enough." Eren balled his hands into a fist in anger at himself, "Ever since the titans destroyed my home when I was young, all I wanted to do was take revenge and be strong enough to do, to prove to myself, and everyone else that I am capable of achieving that goal no matter what, but I guess I'm really not that strong after all. I mean, you and your friends, won a war, while we've been losing ours, until you and the other autobot came along."

Sideswipe looked down in sympathy and kneeled down to the boy, "Hey, you did good kid, I was just teasin' is all, I wanted to see how good you were, so I needed to get you on your bad side."

"Why.." Eren asked, "Why put me in such an impossible situation like that?" Eren looked up slowly, with tears still coming out of his eyes, "You got potential, but you need to learn your focus your anger, channel it, and control it" Sideswipe explained.

Eren sighed as he stood up looking down as Sideswipe tried to think of something to reassure the him. He had seen what Eren was capable of, now he needed to earn his student's trust.

"I know how you feel kid" Sideswipe said, "You do?" Eren asked in surprise.

"Yes, as a matter a fact a lot like you do" Sideswipe and sat down. He stared at the sunset, reminiscing on an old memory as he prepared to tell his tale.

"During the early years of my career as an autobot, I was stationed at an autobot settlement that used to be my home. To this day, I remember every bot there, they were all good friends, then he came."

"Who?" Eren asked, "Demolisher" Sideswipe uttered squinting his eyes into a glare.

"Demolisher?"

"The giant constructicon monster. He was like your titans, except he could think and feel...also he wasn't a cannibal" Sideswipe explained, "He lead a squadron of decepticons to the settlement, and slaughtered everyone there, except me. I let my anger and thirst for battle get the best of me, and as a result, we lost the settlement, and I was left for dead until my friend, Ironhide, found me. After that, I swore revenge against Demolisher, hunting him to the ends of the galaxy, until we finally had him cornered"

"Did you kill him?" Eren asked, "No, Optimus did" Sideswipe replied.

"But why, why let Optimus take that monster's life, taking the revenge that was your to begin with" Eren asked.

"Because I had to move on" Sideswipe replied, "I was an angry bot, for a long time, and when I found Demolisher, I stopped at almost nothing to stop him, disobeying orders and going on a enraged warpath to kill him. But like I said, almost nothing stopped me. In the ensuing chase, a human town was recked in the process, until Optimus snapped me out of it and made me realize what I had done. I held some responsibility for what happened, in fact, if I had let Optimus and my team help, that town would've been fine. Because my anger blinded my judgement, history practically repeated itself"

Eren looked up in shock, then looked off in the distance pondering. While his anger had been the source of his strength, the thought of his anger making him lose control wasn't implausible. He thought back, and remembered how many times he'd lash out at people, and how his anger still managed to get him into trouble. Eren slowly returned his gaze back to Sideswipe, "What was your leader like, this...Optimus guy"

"Optimus Prime? Oh he was-is a leader of leaders man. Brave, selfless, strong, and wise. He was almost on the very front of the front lines, leading the way for the rest of us in battle. It wasn't because he was eager to fight, no, he hated violence above all else. He did it to protect us. He didn't believe in the sacrifice of the lives of to achieve victory, especially if it was in his power to do it himself. He was always there to council and inspire us in times of need, be it individually as a group. We'd always ask our selves, what would Optimus do in situations without him. Hell, we still ask those questions even now" Sideswipe replied, reminiscing on the memories of his friends, his team, and his leader and inspiration, Optimus Prime.

Once again, Eren's mind drifted into pondering. Even Optimus' description was awe inspiring. Almost none of his commanding officers were like that, except Levi, but then again, Levi wasn't anyone's friend.

"Is he alive?" Eren asked, "I know he is" Sideswipe replied with a hopeful and proud tone. He then turned to Eren and looked at the boy with compassion, give a small smile and rubbed his head gently, ruffling his hair.

"Tell you what, from this moment on, we're partners and we're in this together. We work together, and get stronger together. " Sideswipe happily suggested and Eren nodded in eagerness, "Right" Eren said with a confident smile and they both stood up.

"Ready for round two?' Sideswipe asked, "Sure" Eren replied.

End of Flashback.

"Hold on Eren. We're in this together, and we're taking this bitch out together"

I'm back guys, sorry for everything. For making everyone wait for so long. I was just feeling under appreciated, I was getting ahead of myself while I was going through a tough time back then. But again, I apologize for my hiatus. Those who stuck with me, didn't deserve that. As an apology, I will let you, the fans, decide what transformers crossover story I do next. Name the characters, the storyline, etc.

I did this chapter because I felt I failed to build up on Sideswipe and Eren's relationship. After all, Eren is the Attack on Titan's main character, and he should get some attention too.

Also to celebrate the opening to the Last Knight, I have made an Overlord/Transformers story about Megatron taking Momonga's place. Check it out and get the Transformers double feature.

As always, have a random day!