While planning the HERO Arc, I have a few ideas about a certain popular robot. Here are a few of his conversations that he's involved in from some rough drafts. Please keep in mind, they are not finalized so while you can enjoy them, take their context with a grain of a salt. They might change when we actually get to the mentioned Arc.

Sonic DxD - HERO: Rough Draft 58

Omega: ... such... incredible... power... (grabs both of Rias', hands gently; his hands in her's) You are amazing! We should destroy things together!

Rias blinks in shock.

Issei: ... Did you just get cat called by a robot?

Shadow looks away with his eyes closed and arms folded. It was hard to tell if it was out of annoyance or embarrassment.

Rouge: *facepalms, then sighs* This again...

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Sonic DxD - HERO: Rough Draft 54

Asia's Twilight Healing softly glowed upon the robots metal frame. She wasn't sure if this was actually gonna work, but it didn't hurt to try. "How's that feel?" She asked, kindly.

The bulky E-Series robot slowly stood up from its sitting position once Asia was done, apparently unsure himself as he normally uses an Auto-Recovery System which all E-Series come with, and began to move his arms around and twist them, testing out his limbs. This included his fingers and wrists, opening and closing his claw-like digits, and also retracting them into his arms in and out as if preparing another one of his X-Thousand weapons. The destructive android looked over himself as he watched his body react seemingly according it his commands from his internal computers. The group waited in anticipation for what the robot was gonna say.

"... Diagnostics Check, complete. All systems functional at 100%. Auto-Recovery System, unnecessary." Said Omega, his way of saying thanks no doubt. Asia's mouth opened up with a smile, happy to be of assistance.

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Sonic DxD - HERO: Rough Draft 69

Arriving at the arena for the rating game against Sairaorg and his team, the Gremorys' and their Mobian allies walked into the entrance hall. However, Omega suddenly stopped dead in his tracks, causing Asia to bump into him and almost fall on her butt. Did he detect something? Rias had to admit, while she wasn't Omega's biggest fan initially due to him being one of Eggman's former robots, having him around was quite beneficial. Eggman might be... a character, to put nicely... but his robots were top tier; from deadly combat, down to their tracking sensors. Who've thunk one would join their side, even if he was a character himself.

"Sairaorg, detected. Positive reading in western sector of vicinity. Initiating Battle Mo-" Omega declared, but that's when Akeno grabbed one of his broad shoulders to get his attention.

"Why not enter Power Save and reserve your energy for the Rating Game itself, big boy" The Queen said sweetly, then added with batting eyes as if that will have an affect on a robot: "Please?" Omega didn't answer right away and without facial features, it was hard to tell what he was thinking. So for extra incentive, she also added: "If not for me, maybe for Rias?"

Omega's eyes glanced toward Rias and held them there for a second, before looking back in a forward direction, either refusing to acknowledge or purposefully ignoring Akeno's jab. "... Battle Mode on Standby. Awaiting further instruction."

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Sonic DxD - HERO: Rough Draft 70

Asia looked scared, cowering behind the robot she was still behind, which Omega took notice of. Seeing her distress, it triggered something inside of him. He turned his head towards Rias. "Permission to reassess Target Priorities?" Omega asked, basically requesting to keep tabs on the incarnation of Death itself.

That was tempting for Rias. VERY tempting. But decided against it. "While I understand your logic and don't disagree with you, Omega. I'd prefer you keep all sensors locked on the main target. Hades might be smug, but not stupid. Without his brothers, he stands no chance against us Devils," Rias answered the robot, also explaining her reasoning. "Also; I've rather not have 'immediate destruction if distracted'… unless that's a problem?" She added. She still couldn't believe she had command of a highly volatile robot... even if his bat-girl teammate and Akeno keep making fun of his supposed 'crush' on her.

Whether or not it WAS a crush, Omega knew better than to go against Rias, suddenly feeling small under her gaze and it looked like she was growing and he was shrinking. "... Negative."

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Sonic DxD - HERO: Rough Draft 61

"Mother? It's me! Don't you recognize me?" Asked the loli nine-tailed fox, questioning why her mother is not responding. The MILF Youkai just keep staring downward, yet she didn't appear all there. "You bastards! What have you done to my mother?!" Kunou continued, demanding an explanation.

"Sensors transferred to older forest creature. Scan indicates some form of mental tuning has been utilized." Omega spoke up, surprising the rest of the team. Mental tuning? Did that mean… hypnosis? But she was the highest class of Youkai, not to mention the current leader! They haven't seen Eggman in a while, not since Loki's defeat, so either he assisted them somehow, or they had access to incredibly strong magic.

"Who do you think you are? Forcing Yasaka against her will?" Sonic said, his own temper like Kunou's starting to rise.

"Didn't I tell you? She agreed to help us with a little experiment," said Cao Cao. "Though she did put up a bit of a fight, we came to an agreement after getting her under control," he added, then pulled out an item that stunned everyone watching... "Under Chaos Control." They could not believe it! Not even a full 2 weeks past since the Emeralds spread out again, and Cao Cao had one of them the whole time!