Canterlot excavation site (AKA Cristal Caverns)

"Hurry up guys, these ruins won't excavate themselves" a big, brown stallion was shouting to boost the morale of a little group getting on the bottom of a very muddied pit down below Canterlot "besides, we have a guest here, the princess' personal protegé is supervising us today."

As though on cue, a certain purple mare makes her entrance appearing with a crack near the stallion.

"Sorry about that" the mare states,"my name is Twilight Sparkle."

"Holy Celestia" whispers the stallion, half impressed by the sudden appearance of the mare "why do I always get the more troublesome, weird ponies ?", at the same time, Twilight is approaching the pit, and examining the odd, metallic artifacts that were recovered from the excavation site not long ago. Large pieces of metal lay on special bags for transportation to the surface, and some more delicate objects, such as vases and some weird looking fan, were the reason that involves the Twilight House on the excavation in first place.

"What other pieces have you recovered this far" asks the purple mare, fully interested in research, but wondering why the princess has sent her alone, without even her parents, more experts on the archeological stuff.

"Dunno" says the workchief "I was recently transferred here from some excavations at the royal sisters palace in the Everfree."

"Ok" Twilight simply states "so I guess that this is all then."

Suddenly, a chunk of metal is separated from the wall of the pit, falling towards the ponies below, without hesitation, Twilight fetches the huge piece of metal with her magic, and gently drops it on the floor, before teleporting herself near the hole that the metal piece was hiding.

"Hey, there's a passageway here" she cries, excited by the accidental discovery, only to turn around and find some stunned ponies looking at her.

"What?"

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Inside the Mai Terra

"And that's why you never EVER open a door like that" says the man, panting heavily, running for his life, closely followed by a woman with a green suit with white and blue gloves, and footwear.

"Sorry captain" says the woman "but you actually gave me the order to "bust the damn door open" as you specifically said."

"Damn Cinderella" quickly retorts the man "when will you actually understand a little joke."

As they were running, various machines chased them, firing a great variety of weapons, from laser cannons to heat-guided missiles towards the weird couple. Both dodging them, and trying to run at the same time, when suddenly a giant rock was on the half of the passageway.

"Aschen you remember this part of the ship?" asks the white-haired man, holding his rifle, and shooting back at the robots.

"Actually no, Captain" answers the woman "but this rock can be destroyed by your Night Fowl."

As soon as the woman says that, the cowboy switches his rifle to busting mode, activating the gas propelled spike on the base of the weapon and smashing it into the rock.

"Ok... here goes nothing" he quickly pulls the trigger and the rock explodes, creating smoke and distracting the sentry drones long enough for him and his companion to get in the passageway. They run forward until they find themselves in a huge room within the bowels of the wrecked ship.

"Hey Aschen, could you get on the computer in this room, and actually get some light, I can't see shit in here" the man states irritably.

"Sure captain" comes the response near the man "Switching to night vision mode." A dim light is all the the man can see as his partner's eyes begin to glow "Captain" the woman says emotionless "we might have a problem here, if I activate the power in this room, it will probably activate the Cross Gate in the room as well."

"Wait, there's a Cross Gate in here?" the man almost yells, trying to locate her by her voice.

"Yes, and actually the gate is activating by now."

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Canterlot excavation site (AKA Crystal Caverns)

Twilight moves forward down the passageway, finding at some point that she is no longer stepping on dirt, but on some kind of metal surface. She lights her horn to be sure. At the same time, something buzzes back to life, and one part of the wall opens to reveal a large room with a ring in the middle of a strange-looking platform.

"This isn't exciting" the unicorn nearly yells, rushing toward the ring, and analyzing it, but suddenly all is chaos. As soon as Twilight touches the ring, the center of the ring explodes forward, opening a blue, water like surface and then expelling two large bipedal forms onto the floor. Shutting down just as quickly as it had come to life.

"Whoa" one of the things whines "where the fuck are we Aschen."

"No idea captain" answers the other "but we aren't in the Endless Frontier now."

"Ok" quickly mutters the man, standing and stretching his arms, then searching for all his gear. Finding his weapon near a purple tiny horse, that is looking at him, mouth agape. "Hey Aschen, we have company in here, but it looks like some kind of horse" the man states curiously.

"Sorry" the horse quickly says "but we aren't horses, we are ponies."

"Ha Ha Ha very funny Aschen" the man says " why did I actually fall for that kind of prank, I'm too old for this."

"Captain" Aschen calmly answers "I don't think i am pranking you right now."

"WHAT" the man exclaims, jumping in place and getting his weapon ready "HOLY SHIT A TALKING HORSE!!!"

Author's Note

First of all thanks to Nightingale95 for editing and proofreading this for me

Well thats it folks, my first crossover of the OG saga of Super Robot Taisen and MLP, hope you enjoy the ride...