Alicorn of the dark soul

After what felt like hours of arguing, and was piercing screaming, we decided to go to Canterlot, we didn't have much choice. It was either that or possibly due out here from dehydration or starvation. On the way Luna and Nightmare have been trying to reach me to fly and magic, seeing how I had no idea how to do either.

After a few days i had learned a few basic spells, we would have teleported but my sword kept us from doing so. It wasn't all that bad, and it allowed Luna and Nightmare to try to get along, both absolutely hated each other, the only thing that kept them from killing each other was me. Steel heart stayed near me as well, she may have taken an interest in me or just wants another roll in the hay.

We made it out of the badlands after a week of traveling. Steel heart seemed to have gotten several letters from Celestia, which she has responded in kind, so Celestia knew all four of us were coming. There was even an escort waiting for us at the edge of the badlands, so now we were in a carriage heading to Canterlot.

"So Equestria is at war with the Crystal Empire." I asked again, Steel heart had told me what has happened over the last few months.

"Yes, right now things are at a stalemate but recently Sombre has been sending more of his slaves to the front lines." She explained.

"I see, so what should we do till we reach Canterlot?" I asked, Steel heart looked at me seductively.

"I know something we could do." She said but then Nightmare clung to me.

"No he's mine, and I don't want you in his herd, you're just a horse?" Nightmare told her, then the two glared at each other.

"Like you have any say Parasite." Luna said insultingly at Nightmare, then the carriage went silent as they all glared at each other.

"This is going to be a very very long ride." I said to myself.

{3 days later}

We finally reached the city. And got out of the carriage to stretch out legs. As we did another Alicorn walked out of the castle. She stood at 7 foot, her fur was white as snow, along with her dress, her rainbow mane flowed Like Nightmare's, and Luna's. She glared at Nightmare, but when she saw Luna she smiled.

"It's been so long, sister." Celestia said, before Luna rushed over and hugged her they both embraced each other, as they did she looked at me as if Judging me.

"So you are the one that both, Luna and Nightmare have fallen for?" She asked. I nodded my head. She let go of her sister, before walking towards me.

"And what are you exactly, because that piller of energy wasn't just magic there was something much more ancient and dark mixed in."

"I honestly don't know, my first memory is seeing Nightmare collapsed in the sand." I told her, then she looked towards Nightmare, I knew she wanted to kill her right then and there, but she seemed hesitant.

"Shall we all go inside it's getting rather chilly out?" I asked her, she looked back at me before nodding. She led us inside, and into a dining room.

"Take a seat." She said. After we all sat down she took a deep breath before asking.

"So how did you do it?" She asked me.

"Do what?" I asked.

"How did you free Luna of Nightmare moon?" She asked me, I honestly had no idea.

"I don't know, after me and Nightmare umm had our first time together they just…. Separated." I explained shyly.

She looked deep in thought corresponding back at me. "Do you mind if I magically scan you?" She asked me.

I nodded. "Sure I don't mind it might help me learn more about myself." I told her. Celestia's horn lite up for a moment, she looked afraid before ending the spell.

"I believe it was that more ancient power that did this, it somehow separated them without killing either of them." She said.

"Do you know what this power is?" I asked.

She shook her head. "No, but what I do know is that it has bonded with your very soul, and it is very powerful." She told me.

I nodded before some maids brought in some food. Luna and Nightmare sat at my sides, and I could feel their hatred for each other. "So where will Gael, and I sleep.?" Nightmare asked.

"Gael will be sleeping with me as for you, you can go back to the moon where you belong." Luna hissed through her teeth.

"He slept with me, not you bitch?" Nightmare replied.

"Ok I'm ending this, if you two can't get along, I'll leave Canterlot and never come back." I said abruptly getting up out of my chair, to move to another with my food. I sat next to Steel heart at least she wasn't arguing with anypony.

I looked back at the two Alicorns to see them looking at their food ashamed, I felt a pain in my chest while watching this, but this needed to stop, this would only get worse if it doesn't stop now.

"Gael, may I ask you something?" Celestia said, she had a determined look in her eyes.

"Yes." I told her.

"Would you be willing to help us take down Sombra?" She asked me. This was really had nothing to do with me, but I didn't want anymore ponies to suffer.

"Why ask me, with Nightmare, and Luna you could end this war?" I asked Celestia.

"Sombra rivals even an Alicorn even if we combine our power we might not be able to defeat him, but you, your potential with proper training is far greater than any I have ever seen, with you, our victory might be guaranteed?" She explained

Her logic was sound when I thought about it, but I would want to uncover my past before fighting a war. "I will join but on one condition. You will help me uncover my past." I told her, she smiled at the conditions, before Nightmare spoke up.

"That might not be possible." She said sadly.

"Why is that?" Celestia asked confused, before Nightmare told her if the blade that she said was stabbed into me, and how it was older than equis itself, everyone in the room was shocked at this revelation that I so old. As time went on we kept talking, finally coming to an agreement where I would sleep. All four of us Nightmare, Luna myself, and Steel heart would sleep in one room. Steel heart wanted to stay with me, since she say me as a possible mate for her, then finally we all went to our room before going to sleep.