Well, here's the first full Robot Master battle for you guys. It'll be 2 vs. 2 (If you consider Geminiman to be two people)

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Guardian HQ

"Shademan's troops are advancing on Innerpeace and Guardian HQ!" Everyone in the room looks at the screen to see multiple small red dots coming from every direction. "Split into two groups and defend the area!"

X, Zero, Harpuia, Leviathan, Fefnir, and Edge nod as they head out. Prairie grabs a microphone and announces the message to the other Guardians as they leave. The door opens as Aile, Vent, Promethus, and Pandora enter the room.

"Aren't the four of you supposed to be outside as well?"

"I have no obligations to work with you Guardians." Prometheus prepares to leave the room as Pandora scans the map.

"There's nothing except drones. It's not a big deal." Prairie looks at the screen again to confirm Pandora's observation.

"That's true… Since the four of you are here anyway, are you all up for claiming back some territory occupied by Shademan?"

"You want us to attack them?" Aile looks at Prairie as she nods. "I guess me and Vent can go."

"Good, since we don't know the full ability of our enemies, you will be going together in pairs." Prairie points to the trans-servers as she begins to type in some coordinates.

"Wait, what makes you think that I and Pandora will agree to this?" Prometheus looks at Pandora as she nods. "Alright, fine, but don't think that we're on your side."

"I wouldn't dream of it. Now, step on the trans-server and I'll transport all of you into different locations." Aile and Vent get on first, and later Prometheus and Pandora get on after a slight pause.

"Coordinates are set." The operators start to type in different keys as Prairie watches the four of them transfer out..

"Good luck."

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"Aile, you there?" Vent finds himself in an area alone as he opens up his communicator. "Prairie, Aile isn't here!"

"It seems that something went wrong with the transfer since there were four of you. Look around the area, there are only two coordinates. I'm sure that you'll find her somewhere." Vent looks around but finds nothing.

A bullet pierces Vent from behind as he turns and finds mechaniloids. There seems to be some guards in this place. Vent reaches into his pockets, but only manages to find Model X, F, Z, and O. Aile must have the other ones.

"Rock-on!" Blue armor appears on Vent as he charges his buster and shoots down the mechaniloids in his way. "Prairie, where exactly am I?"

"This used to be a research facility until Shademan's troops took over. Be careful, I'm sensing a high unknown energy source in the area."

"Got it." Vent turns to find a door and charges his buster as he hears noises coming from it. That must be one of Shademan's subordinates. Vent fires his charged blast as the door opens, the shot deflects off a glowing scythe as Vent prepares to fire again.

"Is that the best that you can do, chosen one?" Vent lowers his buster and looks as he recognizes the voice.

"Prometheus!"

"Looks like Pandora isn't here after all." Prometheus looks at Vent. "I can't believe that I'm stuck here with you."

"Prairie, where's Aile?" Vent hears the click of some keyboards coming from the other end before Prairie starts to speak.

"She's been transferred to the other coordinate with Pandora. Continue on with your mission and find defeat the one in charge of the area." Vent closes the communicator as he dashes after Prometheus.

"Wait up!"

"Don't get in my way, brat. The only reason I even agreed to this was because Shademan was my enemy as well, but that goes the same for you. If you get caught in the crossfire, then I'll gladly kill you along with whoever's here." Vent stops for a moment as a slight shiver runs down his spine.

I don't know if I should be safer or not with Prometheus around, but right now, it's definitely the latter. Vent dashes after Prometheus as the two of them go about their own business destroying the mechaniloids.

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"This is the last room." Vent looks around and sees another figure. "I take it that you're the one in charge around here!"

"Yes, you can call me Geminiman." Vent prepares to charge his buster and fire at Geminiman, but is pushed aside by Prometheus.

"Move aside, brat!" Prometheus charges and swings his scythe in a huge arc, sending a wave towards Geminiman. The attack hits the wall and causes dust to from in the room as Prometheus smirks.

"Wait, someone's still standing there."

"Heh, guess I underestimated you." Prometheus prepares to attack again as Vent clutches his buster.

"Wait, is it just me or are there two Geminimans?" Geminiman dashes out of the dust and delivers a punch at Vent before he could react.

"I'll slice through you both!" Prometheus raises his scythe up, but gets attacked in the back by someone else. "What!? There are two Geminimans!" The two of them laugh as they merge together and become one again.

"Are you surprised with my special ability?" Geminiman raises his buster up and fires a potent laser at Vent. Vent fires a charged shot, but it dissipates under Geminiman's attack and the laser connections with his buster.

Ugh my arm! I need to use a different form for this. "Rock-on!" Vent's armor becomes red as a green beam saber materializes in his hands.

"DIE!" Prometheus raises his scythe and slashes at Geminiman. Geminiman dodges the attack, but the shockwave caused by the slash hits him in the chest and sends him back. "Time to end this!"

Prometheus raises his scythe back and prepares to launch a whirlwind attack. Prometheus unleashes the attack, but Geminiman splits before it could hit him. Prometheus stops to find himself surrounded by the two Geminimans as they fire shots at him, knocking him down.

I need to help him! Vent goes towards one of the two attackers and slashes with his ZX Saber. Both of them seem to cringe before retreating to opposite sides of the wall. "Are you alright?"

"Don't think this means I owe you anything!" Prometheus stands up again as he looks at Vent. "Did you notice it as well?"

"Notice what?"

"You really are clueless, aren't you? When you attacked one of them, both of them get injured." The twins start to fire as Prometheus and Vent turn back to back. Prometheus spins his scythe, deflecting all the shots from one direction as Vent uses his ZX Saber to slash at the shots coming from the other direction.

"Just don't get in my way when I attack." Prometheus goes to the center of the room as flaming spires appear on the wall and floor. Vent barely manages to jump out of the way and both Geminimans are hit by the attack.

"TIME TO FINISH THIS!" Prometheus charges at one of the twins and Vent aims for the other. Prometheus gets out his scythe and Vent draws his ZX Saber.

"Too slow!" The twins disappear before the attacks could connect, leaving Prometheus and Vent confused.

"Where are they!?" Geminiman appears in the middle of the room and shoots out two long laser attacks. Prometheus and Vent manage to dodge it, but he splits into the twins right after as they aim their weaker busters at the two of them.

It's no good, I've been hit!One of the Gemini twins appear in front of Vent and punches him the guts. Vent goes down and clutches his stomach in pain as he looks at Prometheus.

Prometheus manages to block some of the attacks with his scythe, but one of them gets through, damaging him in the arm as the two Gemini twins go after him. "Don't underestimate me!"

Prometheus slams his arm into the ground, sending flame spires to materialize. Vent gets hit by the attack as the Gemini twins manage to avoid it. "NOW!"

"Rock-on!" Vent transforms into his FX form and aims his two busters at the twins in the air. The attack sends the twins down as Prometheus grabs onto his scythe as he lunges at them. The twins are pierced by Prometheus's attack as he whirls it around, sending the two of them upwards and almost hitting Vent.

"What are you doing, aren't we supposed to be allies?"

"I told you to not get in the way. Now you take one of them while I take the other." Vent nods as the two Gemini twins charges at them. Vent dashes in one direction as Prometheus goes in the other.

Time to finish this battle! Vent fires his twin busters as the Gemini twin moves closer to him. He's too quick!

"I've got you now!" The Gemini twin moves closer to Vent and raises his arm up. Vent uses both his arms to send the Gemini twin back while unleashing a large fireball.

"Don't think you've won this battle yet. I'm just getting started!"

The Gemini twin starts to circle around Vent as he fires his two busters in every direction, but none of the bullets manage to hit their mark. This is not good… The Gemini twin stops and appears in front of Vent. He sends Vent flying back with his fist and quickly launches a small laser to finish him off.

I can't let the attack hit me! Vent puts his left hand in the way to try and defend himself. The laser stops, but his left buster breaks as the Gemini twin starts to move forward.

I've got two damaged biometals and one that I'm too scared to use, not to mention now I only have half my artillery. To top it all off, my partner's Prometheus. Today is not my lucky day…

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The Gemini twin fires at Prometheus as he deflects the attack with his scythe. The Gemini twin moves forward and sends his fist at Prometheus's scythe, sending him slightly back.

"Is that all you've got?" Prometheus puts his scythe behind him as he dashes at the Gemini twin. Prometheus draws his weapon as the Gemini twin jumps out of the way. Prometheus unleashes a large wave but the Gemini twin disappears before the attack could connect.

Where is he!? Prometheus feels a blast from behind as he quickly turns to find his enemy. "There you are. DON'T TRY TO RUN FROM ME!" Prometheus slams the ground, but the Gemini twin dodges the attack.

"Don't think the same trick will work on me more than twice!" The Gemini twin fires a laser as it shots Prometheus in the shoulder, sending electricity gushing out.

"If that's so, then I'll just use another attack!" Prometheus teleports to the center of the screen and four dark orbs surround him and the Gemini twin. The orbs start to shoot out dark flames as the Gemini twin tries to dodge the attack.

The attacks are launched in all directions, and the Gemini twin couldn't avoid it and gets hit multiple times. The four orbs disappear and Prometheus lunges at the Gemini twin from the air.

Prometheus's scythe appears in his hands as he slashes at the Gemini twin. "It's over now." The twin starts to flicker and laugh.

"It's not over yet! You need to defeat both of us to win!"

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Vent watches as the Gemini twin starts to change. His armor buster becomes slightly larger as does his whole figure.

"Looks like I've been forced back into one body. Oh well, I can take care of the other nuisance as soon as I destroy you." Geminiman fires one potent laser at Vent as he rolls out of the way, barely avoiding the attack and reverting back to human form.

"This next attack won't miss, got any last words?" Geminiman points his buster at Vent. Vent looks on the ground at the scattered biometals. Vent stares at Model O as it starts to call out to him. Can I really risk using it again, after what happened last time? Vent's hand reaches for Model O as Geminiman charges his buster.

"Out of the way, brat!" Vent recognizes Prometheus's voice, and quickly grabs all the biometals before backing away. Prometheus, with his body engulfed in flames, falls from the sky and crashes into Geminiman. Prometheus jumps out of the way, leaving a heavily injured Geminiman.

"You'll pay… for that…"

"You're in no condition to talk right now." Prometheus looks at Vent. "Since I'm feeling nice today, I'll let you deliver the finish blow."

Vent nods as he clutches onto Model Z and X. "Rock-on!" Vent drives his ZX Saber through Geminiman, causing electricity to surge through his body. "It's over now."

Vent and Prometheus warp out of the room as Geminiman explodes. Aile, I hope ou have better luck working with Pandora than I had with Prometheus, because if you don't, we'll both be staying at the medic wing again.

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The next battle will be Aile and Pandora vs. an unchosen Robot Master before a brief break from the Robot Master battles.