[Meanwhile in the Golden Oak Library bedroom]
Spike: Hey Twilight! Pinkie Pie's starting "pin the tail on the pony"! Wanna play?
Twilight: No! All the ponies in this town are crazy! Do you know what time it is?!
Spike: It's the eve of the Summer Sun Celebration. Everypony has to stay up, or they'll miss the Princess raise the sun! You really should lighten up, Twilight. It's a party!
Twilight: [Mimicking Spike in a mocking tone]
Spike: Don't be like that. Besides, (Y/N) was fun to be around. He's a cool dude.
Twilight: Spike. I don't entirely trust this pony. He may be an Alicorn, but his story does not make sense. How come he is an Alicorn and yet not been to Canterlot or have ever seen Canterlot?
Spike: Maybe he was an exception?
Twilight: I will have to find out sooner or later. Even if I have to force it out of him myself.
Twilight: I didn't even have time to learn about the Elements of Harmony. Let's just hope the Princess, saying it is an old Ponies' tale.
Spike: Come on, Twilight. It's almost time.
[Meanwhile after the Party]
Pinkie Pie: Isn't this exciting? Are you excited, 'cause I'm excited, I've never been so excited- well, except for the time that I saw you walking into town and I went [deep gasp] but I mean really, who can top that?
[Fanfare]
(Y/N): That is actually quite cute.
Twilight: [Rolled her eyes]
Mayor Mare: Fillies and gentlecolts, as mayor of Ponyville, it is my great pleasure to announce the beginning of the Summer Sun Celebration!
[Ponies cheering]
Mayor Mare: In just a few moments, our town will witness the magic of the sunrise, and celebrate this, the longest day of the year! And now, it is my great honor to introduce to you the ruler of our land, the very pony who gives us the sun and the moon each and every day, the good, the wise, the bringer of harmony to all of Equestria...
(Y/N): [Whispered] Twilight...
Twilight: [Whispered] Not now.
(Y/N): [Whispered] I wanted to ask you about Nightmare Moon. Why are you asking?
Twilight: [Whispered] Nightmare Moon is coming and she will cause havoc to Equestria as she did a thousand years ago today.
(Y/N): [Shocked] Thousand years ago?
(Y/N): [Thinking] I only know I was born a thousand years ago. But why don't I remember anything from that time. [Groaning in pain]
Twilight: Hey... are you okay?
(Y/N): It's fine. The Mayor is about to start the unveiling.
Fluttershy: Ready? [To her animals]
Mayor Mare: ...Princess Celestia!
Rarity: Huh?
[Ponies chattering quietly and nervously in the background]
Twilight Sparkle: This can't be good.
Mayor Mare: Remain calm, everypony, there must be a reasonable explanation!
Pinkie Pie: Ooh, ooh, I love guessing games! Is she hiding?
(Y/N): Maybe. But I don't think she would be playing during an important event, Pinkie.
Rarity: She's gone!
[ponies gasping]
Pinkie Pie: Ooh, she's good. [yelp]
[Ponies gasping]
Twilight: Oh no... Nightmare Moon!
Spike: [sigh]
(Y/N): Are you right? Is Nightmare Moon involved in this?
Nightmare Moon: Oh, my beloved subjects. It's been so long since I've seen your precious little sun-loving faces.
Rainbow Dash: What did you do with our Princess?!
Applejack: [muffled] Whoa there, Nelly...
Nightmare Moon: [chuckle] Why, am I not royal enough for you? Don't you know who I am?
Pinkie Pie: Ooh, ooh, more guessing games! Um, Hokey Smokes! How about... Queen Meanie! No! Black Snooty, Black Snooty-[muffled noises thanks to Applejack stuffing Pinkie with an apple]
Nightmare Moon: Does my crown no longer count now that I have been imprisoned for a thousand years? Did you not recall the legend? Did you not see the signs?
(Y/N): [Extremely shocked to see Nightmare Moon] You can't be...
Twilight: Nightmare Moon!
Nightmare Moon: Well well well, somepony who remembers me. Then you also know why I'm here.
[Nightmare Moon looks at one shocked pony]
Nightmare Moon: [Thinking] An Alicorn??
Nightmare Moon: [Thinking] I only know three Alicorn: Celestia, Cadence, and... [Gasp]
Twilight: You're here to... to... [gulp]
Nightmare Moon: [chuckle] Remember this day, little ponies, for it was your last. From this moment forth, the night will last forever! [laughter, thunder] Farewell... son!
Mayor Mare: Seize her!
[The Pony Guards resistance towards Nightmare Moon were merely futile to her amazing powers]
[Nightmare Moon transforms into a Purple Mist and departs from the building]
Ponies: Wait... did she say son? Does she mean?
[Everypony was looking at my direction]
(Y/N): What?
[Everypony besides the Mane 6 were panicking and return to their homes]
Twilight: You're Nightmare Moon's son!? How could you hide this?
Pinkie Pie: Yeah! Why didn't you tell us you came from a mother who is a really really mean jerk? She ruined a perfectly good party!
Rainbow Dash: Yeah! What gives!?
Fluttershy: [Stayed quiet watching the whole thing]
(Y/N): Well, I-
Applejack: You got some 'splainin' to do
Rarity: This is... THE... WORST... POSSIBLE THING!!
(Y/N): Please... let me explain-
Pinkie Pie: Are you an agent for Nightmare Moon?
(Y/N): No!
Twilight: I don't believe you.
(Y/N): Twilight, girls, please! I'm begging you to listen to reason. I am not trying to harm anypony. I didn't even know Nightmare Moon was or the Summer Sun Celebration until ponies started mentioning it.
Twilight: Then why did Nightmare Moon called you "son" as if she knows you.
(Y/N): That is what I want to know. [Sigh] Girls... I have something to say.
Mane 6: What is it? [Some of their tones were judgmental, curious, or concerned]
(Y/N): I was born during Summer Sun Celebration.
Pinkie: Wait... today's your birthday!? You jerk... why didn't you tell me that?
(Y/N): I forgot. And it was not something I celebrate, because... I don't remember what happened when I was born. (Feeling immense pain]
[Flashback]
(Baby Y/N): [Crying]
??: Don't worry, little one.
(Baby Y/N): [Looked at the Mare]
??: Your mother is not evil. She is just... [Crying]
(Baby Y/N): [Cooing]
??: I don't want you to deal with the pain of knowing what your mother has become. It's okay, (Y/N). [Put her hoof on my head and her horns on (Y/N)'s horn] I believe it is for the best.
(Baby Y/N): [Screaming]
[Flashback ends]
(Y/N): [Screaming in pain]
Mane 6: (Y/N)!!!
(Y/N): [Passed out]
[The Mane 6 has brought (Y/N) to the Golden Oak Library]
Fluttershy: Is he going to be okay?
Applejack: We don't know, sugarcube. I'm sure he is going to be alright.
Rainbow Dash: He's going to be alright!
Twilight: Girls! This is not important, right now! We have to deal with Nightmare Moon or else she will cause havoc all over Equestria.
Pinkie: What about our friend here?
Twilight: He is not my friend. He was just my tour guide. And I don't think we should trust the son of Nightmare Moon. I only brought him here to ask questions.
Fluttershy: But... he never showed any evil intentions when he came into Ponyville.
Twilight: [Looks at Fluttershy]
Fluttershy: I-i'm sorry.
Rainbow Dash: I never seen anything that would make redhead here evil.
Pinkie: He was always nice to me when he helped me at Sugarcube Corner a week ago.
Applejack: Or when he helped me a month ago to buck some apples, since I injured myself.
Rarity: Or when he decided to help me design some clothes using himself as a model, and never once complained.
Fluttershy: Or when he helped me to try to open up to people. That is why I was able to talk to you girls. Without him, I wouldn't be here right now.
Twilight: Fine... I still need to ask him when he wakes up and report this to the Princess once we deal with Nightmare Moon.
Twilight: I read all about the prediction of Nightmare Moon. Some mysterious objects called the Elements of Harmony are the only things that can stop her, but I don't know what they are, where to find them; I don't even know what they do!
Pinkie Pie: "The Elements of Harmony: A Reference Guide."
Twilight Sparkle: How did you find that?!
Pinkie Pie: [sing-song voice] It was under "E"!
Twilight: Oh. There are six Elements of Harmony, but only five are known: Kindness, Laughter, Generosity, Honesty and Loyalty. The sixth is a complete mystery. It is said, the last known location of the five elements was in the ancient castle of the royal pony sisters. It is located in what is now...
Mane 6: The Everfree Forest!
Pinkie: Whee! Let's go!
Twilight Sparkle: Not so fast. Look, I appreciate the offer, but I'd really rather do this on my own.
Applejack: No can do, sugarcube. We sure ain't lettin' any friend of ours go into that creepy place alone. We're stickin' to you like caramel on a candy apple.
Rainbow Dash, Rarity, and Fluttershy: Mm hm.
Pinkie: Especially if there's candy apples in there. What? Those things are good.
Twilight: [Sigh] So, none of you have been in here before?
Rarity: Ugh, heavens no! Just look at it - it's dreadful.
Applejack: And it ain't natural. Folks say it don't work the same as Equestria.
Twilight: What's that supposed to mean?
Rainbow Dash: Nopony knows. You know why?
Applejack: Rainbow, quit it.
Rainbow Dash: 'cause everypony who's ever come in has never come out!
Pinkie: Wait! I think (Y/N) has been there and he got out.
Rainbow Dash: How do you know that?
Pinkie: Because when I first met him, he was walking in the direction that was out of the Everfree Forest. Soooooo... he must had been in and out of the forest.
Twilight: [Moody] Great... the only person that knows the ins and out of the Everfree Forest is unconscious and who knows how long he will wake up
Fluttershy: It's okay. You have us.
Mane 5 (Exclude Twilight): Yeah!
Twilight: We have no choice anyway. I guess six heads are better than one. Let's go! Spike... make sure to watch (Y/N) and don't leave him out of your sight.
Spike: On it!
[The Mane 6 has went to explore the chaotic and scary Everfree Forest while (Y/N) is suffering from some flashbacks from his past that are returning to him]
[Flashback]
(Baby (Y/N): [Observing Princess Celestia and Nightmare Moon fighting]
Nightmare Moon: Once I get rid of you, my son and I will rule Equestria. We will rule far better than you!
Princess Celestia: Please, Sis! This isn't you!!
Nightmare Moon: Be quiet, Sister!! You never truly appreciated me. The only thing you were probably proud of me was my son!
Princess Celestia: We have to stop this! Your baby is here in the castle! He can get hurt!
Nightmare Moon: Then I will end this quickly!
Princess Celestia: [Tears] I have no choice.
[Princess Celestia uses the Elements of Harmony to seal Nightmare Moon to the moon]
Princess Celestia: [Crying] I'm sorry. I didn't want this to happen. But I wished there were other options.
Baby (Y/N): [Crying]
Princess Celestia: You missed your mom? I'm sorry for what I have done to your mother.
[Princess Celestia was caressing (Y/N)'s cheek removing his tears]
Princess Celestia: Your mother is not evil. She is just... [Crying]
(Baby Y/N): [Cooing]
Princess Celestia: I don't want you to deal with the pain of knowing what your mother has become. It's okay, (Y/N). [Put her hoof on my head and her horns on (Y/N)'s horn] I believe it is for the best.
[Princess Celestia used a memory spell to erase any memory of her sister, his mother, out of his mind to make sure he never suffer the pain from others towards his lineage from his mother]
[(Y/N) wakes up and found himself in the Golden Oak Library lying on a couch as Spike was sleeping]
(Y/N): I remember now.
[(Y/N) placed Spike on the couch and a blanket as he found the book that was left open revealing what Twilight and the others are planning to do]
(Y/N): [Thinking] The Castle of Two Sisters? That must be where the two fought. That was also where I stayed when I was in the Everfree Forest for a couple of years. Is that why I was drawn to it?
[(Y/N) decided to go to the Everfree Forest and find the girls before they get hurt. He knows how dangerous it is, for those whom have never entered]
[Meanwhile at the Everfree Forest]
[Back to (Y/N)]
(Y/N): [Thinking] Did I just hear laughter? That is something I never thought I hear in this forest. [Fly to where the laughter is at]
[Back to the Mane Six]
[Back to (Y/N)]
(Y/N): They must have gone this way?
Steven Magnet: Ooh! (Y/N)! It's been so long!
(Y/N): Steve! It's been so long, buddy! Sorry I haven't mentioned that I moved to Ponyville.
Steven Magnet: Oh... it is no problem. Have you seen this... [Pointing at his mustache] A fine Mare has helped me when my mustache was ruined. I never got her name.
(Y/N): [Noticed the mane color and style on Steven's face] Rarity!
Steven Magnet: Yes! That is a great name to my hero!
(Y/N): I actually am looking for Rarity and her friends. Do you know where they are? I'm kind of in a hurry.
Steven Magnet: Of course! I'll do anything for a friend, especially for your friends. They went that way [Pointing to the directions they went]
(Y/N): Thank you so much! I will try to send letters when I get the chance.
Steven Magnet: You are such a great friend.
[(Y/N) flew fast to the direction where the Mane 6 are heading to]
Applejack: What's taking Rainbow Dash so long to tie the rope to the bridge? I thought she was fast, not a slowpoke.
(Y/N): Girls!
Mane 6 (Excluding Twilight): (Y/N)!! We are so glad you are okay
(Y/N): I'm so glad you girls are safe! I can't let my first friends getting hurt... especially from this forest.
Twilight: Why are you here? I thought Spike was supposed to not let you go.
(Y/N): He kind of fell asleep. Don't blame him. He is still a child.
[Author's Note: I know some people that may not have positive feelings about Spike. I never hated Spike as I see him as a kid and have child-like attitude, both good and bad. It is actually good to remember that characters needs to have flaws just as much as strength, or else it gets boring. I am not making (Y/N) OP and he will not be too perfect. He will have flaws, or else I, myself, will find it boring and annoying myself]
Twilight: [Sigh] I won't. I do have to ask you some question.
(Y/N): Hold off on that. Where's Rainbow Dash?
[Skip to 0:35]
Rainbow Dash: Couldn't leave you hangin'.
Rainbow Dash: (Y/N)... (Y/N)! [Hugged him]
(Y/N): [Shocked over her hug]
Rainbow Dash: [Backed away] I mean... I knew you were okay.
(Y/N): Right?
Twilight: Girls... I know you have a special bond with (Y/N) since he has been with you for two months in Ponyville. But we honestly don't know if he will betray us and side with Nightmare Moon.
[Pinkie = Luffy and (Y/N) = Law]
Twilight: At least have some doubts!
(Y/N): Twilight... I may not be the brightest pony like you. I may be related to my mother but I have no real desire to do evil. I'm not saying to like me or to be my friend now. I ask you to believe in me... just this one time. [Kneeling]
Twilight: Okay... I believe you.
(Y/N): Thank you!
Twilight: Let's focus on reaching the Castle.
Mane 6 (including (Y/N): Yeah.
[Mane 6 & (Y/N) arrived at the Castle of Two Sisters]
Twilight Sparkle: Whoa.
Applejack: Come on, Twilight. Isn't this what you've been waitin' for?
Twilight: The Elements of Harmony, we've found them. Careful, careful!
Pinkie Pie: One, two, three, four... There's only five!
Rainbow Dash: Where's the sixth?
Twilight: The book said: when the five are present, a spark will cause the sixth Element to be revealed.
Applejack: What in the hay is that supposed to mean?
(Y/N): Maybe the Sixth Element is hidden somewhere. Twilight... any ideas?
Twilight: I'm not sure, but I have an idea. Stand back. I don't know what will happen.
Applejack: Come on now, y'all. She needs to concentrate.
Twilight Sparkle: Aah!
Mane Six: Twilight!
Twilight: The Elements!
(Y/N): [I jump in along with Twilight]
Pinkie: They're GONE!!!
[Twilight and (Y/N) are transported to where Nightmare Moon is at]
Twilight: (Y/N)! Why are you here?
(Y/N): I cann't let you handle this alone. I am your friend, even you don't see it.
Twilight: [Thinking] Friends...
Nightmare Moon: [Evil laugh]
Twilight and (Y/N): Nightmare Moon!
Nightmare Moon: You're kidding! You're kidding, right! The Pony that is challenging me is a simple unicorn. [Laughing]
(Y/N): Not just a unicorn... she is my friend!
Nightmare Moon: Friend? My dear son, you don't need friends when you can have power and dominate Equestria as mother and son.
(Y/N): Mom...
Nightmare Moon: Yes?
(Y/N): I refuse your offer. I will not let you hurt your own subject. If I am your son, then I won't hurt the people of Equestria for some revenge against the Princess!
Nightmare Moon: Then you leave me no choice.
[Nightmare Moon hits her magic beam at both Twilight and (Y/N), (Y/N) deflected it]
[(Y/N) was angered by his own mother that he had no choice but fight against her. (Y/N and Nightmare Moon were moving extremely fast, Twilight couldn't catch up as we were exchanging blows to try to immobilize one another]
(Y/N): We don't have to do this, mother!
Nightmare Moon: You are sounding like my sister!
[We continue to move really fast to punch and kick all over the place as we are blocking every blow. We both flew back to the ground and our horns are shining, ready to do a magic beam attack. The beam struggle was intense and suffer a stalemate]
Nightmare Moon: How could you be able to equal to me!?
[We were both trying our best to try to overpower each other, however (Y/N) was starting to feel exhaustion from overexerting himself and Nightmare's beam overpowered (Y/N) beam, causing him to get blasted to the wall, leaving a large crater]
Nightmare Moon: [laughter] You little foals! Thinking you could defeat me? Now you will never see your princess, or your sun! The night will last forever! [evil laugh]
[All of the girls excluding Twilight were yelling "Twilight! (Y/N)!"]
Twilight Sparkle: [Gasped in realization] You think you can destroy The Elements of Harmony just like that? Well, you're wrong, because the spirits of The Elements of Harmony are right here.
[Nightmare Moon was officially defeated by the Mane 6 as all of them are groaning on the ground]
Twilight: [Gasp] (Y/N)!!
[Twilight reaches to (Y/N)]
Twilight: (Y/N)! Are you okay?
(Y/N): [In pain] I'm fine.
Mane 6: [Scolding] No, you're not!
(Y/N): Sorry... I didn't want to worry you girls.
Rainbow Dash: I can understand how you feel.
Mane 6 (Excluding Rainbow Dash): Rainbow!
Rainbow Dash: What?
(Y/N): What happened to Nightmare Moon?
??: She has been defeated... thanks to all of you.
Twilight: [Gasp] Princess Celestia!
Mane 6 (Excluding Twilight): Princess Celestia?
[All of them bowed except for (Y/N)]
Princess Celestia: Twilight Sparkle, my faithful student. I knew you could do it.
Twilight: But... you told me it was all an old pony tale.
Princess Celestia: I told you that you needed to make some friends, nothing more. I saw the signs of Nightmare Moon's return, and I knew it was you who had the magic inside to defeat her, but you could not unleash it until you let true friendship into your heart. Now if only another will as well. Princess Luna!
(Y/N): Mom!
Princess Celestia: Mom? [Looked at his horns and wings] (Y/N)? Is that you?
(Y/N): [Smacked Celestia's hooves]
(Y/N): Focus on your sister!
[Everyone was shocked except for Luna and Celestia]
Twilight: Princess... he didn't mean that.
(Y/N): I mean it. All of it.
Twilight: [Gasped]
(Y/N): Mom... wake up.
Princess Luna: [Gasp] Sister! (Y/N)!
Princess Celestia: It has been a thousand years since I have seen you like this. Time to put our differences behind us. We were meant to rule together, little sister.
Twilight and Rainbow Dash: Sister?
(Y/N): Yes... they are sisters. Didn't you guys know?
Mane 6: No!! Why didn't you tell us!?
(Y/N): You never asked.
Mane 6: [Angry ready to scold him]
(Y/N): I'm sorry... I'm sorry. Let's focus on my mother.
Mane 6: [Embarrassed]
Princess Celestia: Will you accept my friendship?
Pinkie Pie: Whoa!
Princess Luna: I'm so sorry! I missed you so much, big sister!
Princess Celestia: I've missed you, too.
(Y/N): Mom...
Princess Luna: Son... my dear son. [Crying] I cannot believe I have missed my son growing over my selfishness. I'm sorry! I'm sorry I hurt you!
(Y/N): [Hugged Princess Luna] I'm just glad I have a mom and that I can actually spend time with you.
Princess Celestia: (Y/N)... you deserve an explanation.
(Y/N): You should.
Princess Celestia: I deserve it. I have only erased your memory hoping to avoid the horrible thought that your mother was Nightmare Moon. I was not in the right state of mind when I did this. I believed only I should deserve the punishment of remembering the pain of losing a loved one. I'm sorry. I don't ask for your forgiveness.
(Y/N): I forgive you.
[Mane 6 and both Princesses were shocked]
Princess Celestia: That was... fast. But why?
(Y/N): You showed remorse and I wanted to hear your reasoning. I don't think I should be holding a thousand year grudge over it. Auntie... I forgive you.
[Both Princesses hugged (Y/N)]
Pinkie Pie: [blows her nose] [sobs] Hey, you know what this calls for?
(Y/N): A party?
Pinkie Pie: A party!
[Back to Ponyville with everyone cheering]
Princess Celestia: Why so glum, my faithful student? Are you not happy that your quest is complete and you can return to your studies in Canterlot?
Twilight Sparkle: That's just it. Just when I learned how wonderful it is to have friends, I have to leave them.
Princess Celestia: Spike, take a note, please. I, Princess Celestia, hereby decree that the unicorn Twilight Sparkle shall take on a new mission for Equestria. She must continue to study the magic of friendship. She must report to me her findings from her new home in Ponyville.
[Ponies cheer]
Twilight Sparkle: Oh thank you, Princess Celestia! I'll study harder than ever before.
[ponies cheer]
Princess Celestia: (Y/N)... I will also desire you to learn more along with Twilight Sparkle to study the magic of friendship and guard Ponyville from any dangers alongside your friends.
(Y/N): You didn't need to order me, Auntie. I would be doing it anyway.
Twilight: (Y/N)! You can't be informal with the Princess!
Princess Celestia: [Laughing]
Twilight: [Shocked over the Princess laughing] Princess
Princess Celestia: It has been a long time since someone talked to me this way. I miss that. Twilight... he is family, so I don't expect him to be formal to me.
Pinkie: Isn't this exciting? Are you excited cause I'm excited I've never been so excited, well, except for the time that I went [deep gasp] but I mean really-
[Author's note: The End... for now]