Ahriman's POV

When we arrived at the dig site, a brown Pegasus with a gray mane stepped out of the dig area.

"What's all the ruckus- who and what are you?!" She shrieked, floating up in the air. I chuckled.

"I am Ahriman The Exiled. A warrior from a long time ago. I see you have found my ship." I lied, hoping to get through this without intimidation. She looked me up and down.

"Oh yeah? Prove it." She ordered. I merely smirked, then brought up my bolter. A very loud bang was heard after. She held her ears.

"What in Celestia's name was that?!" She asked. I pointed to the gun.

"This is a Bolter pistol. It's designed to fire mass reactive bullets. One shot could remove half of your leg. Now, if there are any more questions, you will take us to the ship." I told her, to which she gulped, before turning around and heading back into the cave. I turned to the others.

"Wait here. Also, have this." I tossed them a vox bead. "That is a long range communication system. Put it in your ear, and you can hear me as long as I am in range." I then walked inside, with Khârn close behind me.

When we reached the ship, we were able to see it in all its glory. Though grounded and buried, it still gleamed with its paint like it was made yesterday. That is, as clean as a Chaos vessel dedicated to Tzeentch could get. I walked to one of the emergency exits, and pressed a few buttons. The air lock creaked open, and we stepped outside. The pegasus followed.

"Wow, so this is the interior? It's amazing." She muttered, looking over the hallways in awe. I chuckled.

"Trust me, where I'm from, this is pretty common. There are hundreds of these ships." I told her, to which her jaw dropped.

"The amount of resources needed for something like this would be astronomical!" She cried out. While we walked, I caught sight of something. I motioned for them to stop. I walked into a rather large room.

In the middle of it stood a Dreadnought. It was a Thousand Sons Dreadnouggt, just sitting there, motionless. I walked up to it, and tapped it. There was the sound of gears clanging as whatever was in there woke up. It looked down at me.

"Who.....are...you?" The deep, gravelly distorted voice of the dreadnought asked. The pegasus leapt back in fright, hiding behind Khârn.

"I am Ahriman, noble Dreadnought. But who are you?" I asked, feeling a small memory spark from seeing this type of dreadnought. A MK IV Ferrum Infernus dreadnought to be precise.

"I am....Khadeth.... I remember....you....Ahriman, Captain of the....First Fellowship." The dreadnought rasped.

"Ah, so your from before The Rubric. That's good. I wouldn't be able to talk to you anyways." I said, and the Khadeth looked at Khârn.

"You....are Khârn....The Betrayer.... why....are you..... here?" He asked. Khârn shrugged.

"I'm with Ahriman here. We found this ship underground. Say, I've got an idea, Ahriman." Khârn told us, to which he leans into where my ear is and whispers to me a bold and daring plan. I smiled.

"It might work. But let's test it, shall we?"

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Third person POV

The peace of the world was shattered as the sound of a massive cannon shook the world. Ten minutes leater, in the southern jungles of Equestria, a mighty roar was heard, and a massive ship flew out of the earth, struggling to break through the gravity of the planet. When it did, it floated alongside the planet, sitting into an orbit.
(A.N to fly it, there was a bunch of working servitors, plus chaos powers OP)

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Back to Ahriman

"It worked! Now, not only do we have a base that our enemies can't get to, but now we have an entire ship full of weapons!" Khârn cried out. I nodded.

"So...what foe....do you face?" Khadeth asked.

"A bunch of xeno ponies. With psychic powers. Who are pretty easy to beat, but we want to make them die slowly. In reality, we could March up to their leaders, and kill them right now. Now then, let's go get our troops ready." With that, I walked back towards the armory.

When I arrived, the dragons had all gotten some decent weapons and armor. Same with the cultists, though they had to find mounted weaponry.

"My warriors! This massive battle barge, the Scion of Prospero, is our new home. We are currently in orbit around the planet, and are unreachable by our enemies. But, the same cannot be said for us. We can strike from above, anytime, anyhwere, and crush the enemy easily. Now then, let's send down a warm welcome to Celestia, shall we?" I asked. They all roared. And followed me as I led them to a Thunderhawk. I pointed to it.

"This is a Thunderhawk. It is a drop ship that can come from orbit and deliver new soldiers to the field, and supply heavy firepower too. Now then, get aboard. Khârn, deploy Khadeth with a drop pod. I want him down on the field to let the princess's know of our new firepower." I ordered. They all climbed aboard, while Khârn and Khadeth walked off towards the drop pods.

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It was just after the attack of Zhufor. The ponies didn't know it, but Zhufor had just escaped. Celestia was still crying on the floor, and Shining was still there.

"Alright, Shining. I'm ready to go." She said, and He nodded. They both walked outside. As they approached the city, the sound of engines roared. They both looked up to see a bulky, metal flying creature hovering in front of them.

"Celestia! How good it is to see you. I'd like to introduce the Thunderhawk!" Ahriman's voice rang out.

"Ahriman! You dare show your face?!" Celestia roared. There was the sound of chuckling.

"Technically, Celly, I'm not showing my face. I'm showing you the power I possess." With that, it turned, and released missiles into the city. The citizens went into a panic after the first bombs dropped. Then, a drop pod crashed into a building, releasing the dreadnought inside it.

"Even in death I serve!" The horrific voice declared, firing it's weapons, and using its claws to tear into anypony who got close.

"Celestia, some legends are told, some turn to dust or to gold. But you will remember me. Remember me for Centuries." Ahriman told me as he destroyed Canrerlot.
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Three hours later.
Celestia's POV
Canterlot was burning. Every house was demolished, no stone left unturned. Many ponies had died, and many more were guardsmen trying to fight off the giant metal robot. When the two things left, not much was left. Only the burning buildings and carcasses of Canterlot. Very few were left alive.

"Shining..... how can we stop this? What weapon could possibly defeat them?" I asked, looking at the ruins of a once proud city.

"I don't know, princess, I don't know." He replied, and the sound of somepony coming up behind us made us turn to find Luna, a shocked expression on her face as she looked on. Suprisingly enough, Ahriman and his metal monster had left the castle intact.
"Sister... what did this? Ahriman?" She asked. I nodded. She gulped.

"To think I had such a monster as my subordinate once... but how? How has he done this?" She asked, gazing upon the ruins.

"It seems he has found a great weapon. Two in fact. A flying metal bird, and a powerful robot. These two things destroyed the city. We cannot fight him. Shining." He perked up. "Send a letter to all members of the world meeting. Tell them we must meet." I ordered, and he quickly wrote it down, with a paper and quill that came out of nowhere. When he did, I activated a spell, multiplying the letter, before sending each of them to their locations.

Author's Notes:

Okay, that's all! Note, Khadeth is a fellow displaced. And somehow, woke up upon a battle barge buried underground. Blame Magic.
Also, that Centuries thing was based off of the song Centuries by fall out boys.

Check out the PMV collaboration by Rainbowdashzx