In a treed area far from civilization, a large metal figure lay on its back in a slight indent, as if it had fallen to the ground from the air. From within, many intricate systems got to work to bring the giant back to life.

Systems rebooting

...........Sensors online...........No threats detected.

Motor functions operative.

Optic receptors undamaged.

Inorganic eyes came to life with a yellow glow from the head of the metal giant laying on the ground, said eyes being accompanied by a triangular symbol on its chest. It raised itself into a sitting position and began to scan its surroundings.

From the trees and grass, it concluded it was in a forested area. Its sensors detected there was something different about the wavelengths of the area.

It then picked up something else, causing it to look off in one direction. There were signals in the distance being sent out. Signals from more of its kind. It had to follow them, so that it may regroup with the others to determine a course of action.

It stood up, its head coming above the trees as it began to make its trek across the land.

It managed to come across two more of its kind some time later. Both were laying on the ground the same as it had been.

Fellow Sentinels found. Establishing wireless communication............Sentinels rebooting.

"I shall wait for them to finish rebooting" the Sentinel said, simply standing there as it waited for the others.

Some minutes later, the other two Sentinels came online, fully functional and soon recognizing the first. They established their connection and began to discuss their situation.

"My databanks cannot identify where on the Earth we are, nor how we came to be here" the first Sentinel said, which the other two concluded as well.

"We should go through our memory banks to recall the events that lead to our displacement" the second Sentinel suggested.

"Agreed" the first and third said simultaneously.

The Sentinels stood and stared straight ahead as their circuitry began recovering their distorted history.

"Data recovered" the trio said before going through said data, one after the other.

"Engaged in search and retrieval mission"

"To apprehend unidentified mutant"

"As so ordered by creator, Bolivar Trask."

"Reports indicated the unidentified mutant's powers were the ability to open portals."

"Portals crossing space. An ability similar to that of the mutant identified as Blink."

"They also indicated the mutant could also open portals to other realities, worlds, or dimensions."

"The mutant was also inexperienced with her powers, opening portals without the intent to do so. Objects and humans have been placed in different areas and dimensions."

"Due to these events, the mutant was labelled a threat. We were to bring her to Bolivar Trask's mutant holding facility."

"The mutant was tracked, incapacitated, apprehended, and brought to the facility successfully."

"But we were followed by members of the dangerous mutant team known as the X-Men."

"We engaged in combat with the X-Men members known as Scott Summers, Remy LeBeau, Laura Kinney, Kurt Wagner, and Jubilation Lee. Aliases: Cyclops, Gambit, X-23, Nightcrawler, and Jubilee."

"Sentinel forces proved to be semi-adequate. Many Sentinels were severely damaged by the attacking mutants. The X-Men were successful in freeing the unconscious mutant. The mutant awoke and entered into a panicked state."

"Portals began to open at random in her panic. Machinery was taken. Human security was taken."

"We were taken."

"Thus, how we came to be here."

"Unable to determine if anyone or anything else was taken."

"Wait. I saw something taken. It was our-"

The Sentinels stopped in their recollection when their sensors picked up a new signal in the far off distance.

"A distress signal. Alpha class. Only two individuals can activate such a signal. We must follow it."

The Sentinel trio began to make their way to the source of the signal, their large metallic feet booming with each step, causing the ground to shake.

The Sentinels continued talking as they made their way to the signal. "I have made an observation. The wavelength patterns of this place are different than the ones previously recorded."

"We have noticed this as well. We suspect the portals we were sucked into transported us into an alternate dimension."

"The likeliness of that scenario is 99.3%. We must find a way to return to our reality and ensure the recapture of the mutant, and engage the X-Men if needed."

"Agreed."

The Sentinel's walking caused small animals to scurry away in fright. Trees in their way were knocked down or pushed away, causing them to break or become uprooted.

They found the source of the signal a half hour later, the sun beginning to descend. It was coming from a much larger figure composed of metal.

"This is what I saw get pulled into one of the portals."

"This could aid us greatly in finding a way to return to our own dimension."

"Yes, but this unit is in need of repair."

"Observation: Alternate dimensions tend to have alternate versions of everything, including mutants. The acquisition of one could also help us in returning to our dimension.

"Suggestion: We should send a reconnaissance drone to scan this new world for any such mutants while we make the necessary repairs to this unit."

"That is an excellent suggestion."

A panel on one of the Sentinel's shoulders opened up and from it exited a hovering sphere with a red eye and an antenna. It flew off into the distance on the Sentinel's orders.

Any foliage obstacles it encountered were cleared with the use of retractable, curved blades that came out of the center and spun around it horizontally.

The drone determined that it's sensors could have a farther range if scanning from a higher vantage and rose into the air. Some time later, the drone finally picked up life form readings and made its way towards them.

An hour later, the drone returned with the data it had gathered from its scans. The Sentinels had finished the repairs on the larger unit and were now waiting for all its systems to reboot.

The drone came to its sender, the tip of its antenna blinking red. The shoulder panel opened, allowing the drone to reenter its respective Sentinel so it could download the data.

The data was relayed to the other two, allowing all three to examine it.

"No human signatures detected."

"Many animal signatures detected. The readings indicate half of these beings are almost entirely similar to animals from our dimension. The other half are unnatural sentient beings. By process of elimination, they are mutants."

"The majority of the sentient beings appear to be equines, divided into three classes and a fourth ruling class that is very rare. The recovered information says they are collectively identified as ponies. The classes are known as Earth, Pegasus, Unicorn, and Alicorn."

"Among the other sentient creatures are livestock like sheep and cows, along with many creatures considered mythical in our reality. These include the dragon, the minotaur, the griffon, the sea serpent, the aforementioned unicorn and pegasus and alicorn" and so on and so on.

"The drone's observations reveal that the unicorns have abilities similar to the mutants we are familiar with. They are the best candidates for apprehension and application to our objective."

"I have recovered crucial information from my memory banks" one of the Sentinels interrupted "Our creator, Bolivar Trask, has upgraded this unit with technology meant to be applied to living beings for modification, so that they may aid us in our efforts."

"This makes the unicorns even better suited for our needs. If they resist, the resistance shall be eliminated."

"Indeed."

The Sentinels all looked straight ahead when they received a signal from the larger unit they had been repairing. Its own eyes glowed with the same yellow light as the ones emitted by the Sentinel trio.

From the larger giant's forever open mouth came three words indicating it was back to full function.

"Master Mold online."

Author's Note

The human security isn't in Equestria. They're still in their own reality, somewhere. Only a few of the portals lead to Equestria, and they took the Sentinels and Laura.