Equestria meets Predator

Space, the Milky Way, it was the galaxy that had all the planet's that was known to man that had many planets, in it however was a creature surrounded by many others, they looked to be tall humanoid like creatures with mandibles and large foreheads. Many were wearing masks while the one in front was wearing a cape and they all looked at one of their own, who only looked down on the floor in shame as they shunned him

Just as he turned, The Elder pressed a button and the shamed creature was engulfed by a bright light.

(Unknown Location)

The figure suddenly fell and got up and saw that he was in an unknown place not of his home. As he got up, he noticed that he looked different. He looked at a nearby pond and clicked his mandibles confused at what he saw, he was now an equine like creature, yet he still had his armor, hair bangs and mandibles. Only this time he had actual lips aside from none

As he did, a rumble shook and as he took notice of the cause of the ruckus and saw a large centaur like creature and a small winged equine with a horn in battle. The alien turned equine looked and saw the only weapons he had were either his large wrist-blades or his large spear and decided to join the frey, putting on his bio-mask and activating his cloak.

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The two fought as the large Centaur began to blast the alicorn with magic blasts, though she managed to either dodge or counter each of the blasts. As the two fought, they were being witnessed by 5 other ponies a small baby dragon and a draconequus that were trapped in bubbles. The two began to duke it out as the battle intensified, destroying everything in the arena. As the they did, The Predator was secretly running to the arena and watched the two fought, he saw the centaur slowly getting the upper hand and jumped on the back of the centaurs head and slashed one of his horns clean off with his spear, also gashing a side of his forehead.

The shocked centaur said "Who dares attack me?!"

The alicorn and the others gave looks of confusion as to what had just happened. One moment, they saw the alicorn fight the centaur, then he was suddenly attacked by an off screen attacker. The still cloaked Predator landed and roared loudly in rage.

"What was that?!" The alicorn said in fright hearing the distorted roar

The cloaked alien jumped again and this time, with his two wrist-blades, lunged at the oblivious centaur and instantly decapitated him, spraying his blood all over the place. The dead villain fell on the ground, with the alicorn and the trapped ponies, draconequus and baby dragon in bubbles giving looks of shock and horror at the gruesome sight in front of them. The dead centaurs body began to slowly release energy all around as the Predator was too busy taking his head and making the skull a trophy. Even the those that were trapped were freed and regained their magic and cheered with delight.

As the land returned to normal, three other alicorns came in, one looked to have a coat of pure white and had a sun on her flank, the other looked dark blue and had a moon in black on her flank and the third was one of pink coat with a blue heart on her flank. They all looked at the purple alicorn with proud looks.

"Twilight, you did it!" The pink one said

"My faithful student, you've stopped Tirek" the alicorn with the flowing rainbow mane

"Um no I didn't" The alicorn known as Twilight said

This confused the alicorns as Twilight's other friends came and the rainbow pegasus said "When she fought him, he just got his head sliced off!"

This left three alicorns shocked, unaware the Predator was now uncloaked, looking over Tirek's skull.

(With the Predator)

The now uncloaked alien cleaned the skull and looked over and clicked in confusion and said in garbled english

"What...the...hell...are you?

As it looked over the skull, he heard a female voice that said "Hey look!"

The Predator turned and saw the 6 mares, 3 alicorns and baby dragon come to him as he looked on got in a fighting stance.

"Thank you brave stallion, you have saved my little ponies from a terrible fate, what is your name might I ask?" The white alicorn gratefully asked

The Predator only looked at them through his thermal visor on his mask and merely clicked his mandibles and walked to Tirek's skull head and put it on his hip holster

"Um sir?" Twilight asked on confusion

The Predator did not answer her and simply began to walk away, this left the girls confused as Twilight went over to him and said reaching his shoulder

"Excuse me, but do you know what your doing?"

The Predator angrily turned and clicked his mandibles with anger or threat at her as she fell down on the ground, with the ponies gasping as the alien continued to walk away in disinterest. The rainbow haired mare said flying right in front of him

"Dude, what's your deal?!"

The Predator indifferently continued to leave and only walked past her as the girls tried to catch up, but he cloaked away before they could get him

"Where did he go?" Twilight asked

They were unaware he had jumped and stealthily made his way into Ponyville, specifically to find out where he was.

The ponies continued to look around for where their mysterious hero went.

(In Ponyville)

The Predator walked through the town and saw that all of the inhabitants were not only suddenly feeling better, but cheered that Tirek was now personally defeated by Twilight. As he walked, he not realized that the centaur he killed was Tirek, but that he had basically just defied royalty, but to him it didn't matter, he was honor bound by the Yaujta code, even if he was shamed, that would never stop him from being a capable warrior.

He eventually decided to find a home, but knew that he couldn't do so in the public with the villagers and went down a path leading to a forest. As he went in, he saw a farm along the way, but continued to his waypoint.

He eventually reached the forest and jumped into the trees, watching his prey

(With the girls in the castle)

The 6 ponies and the dragon had went inside the castle and looked at how big it was, as they did Twilight said

"I still don't understand."

"What, darling?" The purple haired unicorn said

"That stallion that stopped Tirek Rarity, I don't get as to why he didn't answer us and left."

"I'm more curious as too why he wore that kind of armor!" The baby dragon said

"Spike's right, he must be doing something." The rainbow haired pegasus said

"Hold on there Rainbow, he may have his reasons, just as we have ours." The blonde, Stetson hat wearing earth pony said

"Really Applejack?, because who knows what that guy saw in us."

"Maybe he's throwing an armor wearing party!" The pink poofy one said

The others only looked at her in confusion, but shrugged it off as Twilight said

"Well what's important is that it's over. Maybe we'll see him again."

The girls and Spike agreed and hugged Twilight with happiness, ready for the future, Just like the Predator was.