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When the main 6 defeated King Sombra we thought we got rid of him for good, but we were all wrong. When Main 6 got back to Canterlot my now former student Twilight Sparkle was acting strangely even weird I would say. She was at the library which wouldn´t be so strange, but in this case, she wasn´t just reading about magic which wouldn´t be so surprising too, but I this case when I walked around the library I heard long-forgotten dark language. That was the first sign, but I overlooked it….......terrible mistake. After a few other days, she started to be at the library all day and later even all night, but I said to myself "It´s just Twilight" and so I overlooked it again. After a month or so she asked me to give her permission to go to Crystal Empire and learn more about King Sombra and his magic in case some pony or something like that would appear in the future. I didn´t have a reason why not and so I said yes because information like that could be useful for future threats, but she had.......hidden purposes. When I heard about Princess Cadence and Shining Armors defeated it was too late and I was imprisoned in my own dungeon by those ponies in the silver helmets and with green eyes. I almost immediately recognized that style of armor............ King Sombra´s soldiers or slaves of his will is more accurate. And now I don´t even know where my dear sister is right now..........I hope she is okay.
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"Oh don´t you worry my dear teacher, she is doing just fine" Twilight said as she appeared from shadows of the old dungeon
Princess Celestia looked behind herself and threw disappointed look on Twilight
"What do you want......." Princess asked calmly yet hateful
"I want YOU, my dear teacher, to be a witness of my grand success," Twilight said with an evil grin
"What success? You already did enough hurtful things, but there is still a way out if you would open these door and give me back my powers" Princess Celestia tried to convert Twilight to the good side once again, but without success
Twilight began to laugh "do you really think you can get me on your side with this" and after another murderous laugh she continued "this old "I will forgive you anything, let´s put your differences aside" thing is so" another laugh passed by "oh I think your sister would share my opinion, in fact, let´s ask her"
Twilight stepped aside as Princess Luna took few steps forward.
"Sister," Celestia said hopefully as she came closer to the door to her cell
"So what is your opinion Luna?" Twilight asked with an evil grin
"I....think....you are right," Princess Luna said almost as if she was under mind control
"Luna it´s me your sister," Celestia said with another load of hope in her eyes
"If you are opposing Twilight then you are not my sister anymore," Luna said with a cold tone
"Would you please step forward so the princess can have better look at you please"
And with that Princess Luna stepped forward. At that moment Celestia wore a face of sadness and shock at the same time. Those same eyes as Sombra and Twilight had, had now Princess Luna too. Princess Celestia crawled hopeless to the darker end of her cell and broke into tears.
"Oh don´t be like that my dear teacher Luna just accepted the "better" side"
"You know......I will never ......do......the same" Princess Celestia said in tears running down her face
"Of course you don´t and who asked you about something like that?"
Princess Celestia froze with tears still running down her face.
"I want you to suffer more and more to the point where you will be begging me to end your life and I can assure you that even then I will not kill you" after that Twilight broke into another murderous laugh
"How can you be so cruel? How can you just throw your friends away?" Celestia said with tears
"I am not throwing my friends away, just wait and see," Twilight said with an evil grin
"There you are my dear," Sombra said as he walked down the stairs to the dungeon "did you made progress with breaking Celestia?"
"Yes my king" Twilight said with a tilted head
"Good I want to see her more broken though, tell me how are you planning to break her spirit, even more, my queen"
"Let´s start with betrayal" and just as that with evil smile Twilight backstabbed Sombra with his own dark scythe
Sombra froze with surprise and paralyzed laid on the ground slowly bleeding out. Princess Celestia almost totally froze slowly turned back to see Sombra on the ground bleeding out. Twilight slowly yet hurtfully slip out the scythe and put a hoof on Sombra´s back.
"My dear King I must say with a sad mood that you has been replaced with ME QUEEN TWILIGHT SPARKLE" than Twilight began to hysterically laugh
"AND as a NEW queen I say that your services are no longer needed" and with quick swing Sombra was dead and another hysterical laugh came from Twilight. Celestia watched in horror what she has let to happen, froze with the fact that her most faithful student turned into the most dangerous pony in Equestria.
"You.....can´t just......"
"Oh trust me I can Princess"
"But if Sombra is dead, how are you still have control over Luna?"
"Isn´t it clear enough Princess, it´s my own magic, that´s what I has been studying the whole month in library and that where I also found new spell?" she said as five other figures came down the stairs and were now closing by "it was hard to learn because of that old language but with little help from Sombra´s journal I could make it out"
"How could you and what about your friends? what have you done with them?!" Celestia screamed
Twilight snorted "do you remember what I said earlier about not throwing my friends away I was telling the truth, in fact, they share my opinion" as Twilight said opinion rest of the main six were on the place beside Twilight all of them evilly smiling at Celestia.
"What have you done with them did you hypnotized them too?!" Celestia shouted with tears
"Oh no Princess I wouldn´t do such a horrible thing to my true friends I just showed them a "better" way" she as other started to talk
"She helped us," said Fluttershy
"She showed us the truth," said Applejack
"She showed us a more beautiful style of doing things," said Rarity
"She showed us happier things," said Pinkie Pie
"She showed us the true loyalty as a true friend," said Rainbow Dash
Then all began to laugh and grin. Princess Celestia watched not believing what she just heard.
"I see you are at the edge of breaking, let´s give it a little push shall we" and with that Twilight quickly stabbed Princess Luna which collapsed on the floor bleeding out. And with Twilight preparing for the final strike with scythe Luna said her last words.
"It´s okay Tia, I love you" and with that final stab was performed to Luna´ s back.
At That moment Princess Celestia broke in soul and with tears frozen she fell on the ground unable to do anything.
Twilight after another laugh cleaned her newly claimed scythe on Celestia´s cell doors, others turned and walked upstairs. Twilight turned and started to walk away as she spoke her last words before leaving the princess.
"I hope you have some light left in your soul because all I see" she turned to look at her one last time before leaving "is darkness"
And with that, she left the princess locked in the dungeon with only the dead bodies. One is one of the most dangerous ponies of Equestria and one being one of the most beloved ponies of her heart.
