It was the Spirit of the Tree of Harmony, in the form of Twilight but when she was younger (Not as a filly but before her body was in Celestia form or something like that)

"Hello" the spirit greeted.

"Woah! Am I seeing two Twilights??" Spike rubbed both his eyes to see if he's not dreaming.

"I am not Twilight, but I am the Spirit of Harmony. I have only taken the form of Twilight but when she was younger."

"I don't understand. Why are you here?" Twilight asked.

"To talk about the Elements of Harmony"

"Huh?" Twilight and Spike said in unison.

"As you know my story, the Pillars planted my seed which made a tree growing the Elements of Harmony and the box where you and your friends used and had your first battle with Tirek. But because it was destroyed by King Sombra, I called the six creatures to make something new out of its old parts to commemorate it, and it grew into something amazing and wonderful."

"You mean a treehouse?" Twilight elbowed Spike and asked,

"But why did you chose the six students- I mean, those six creatures to do such a task like that?"

"Your students have a strong connection. Ever since you opened your school, those six creatures will do everything they can to be together. They never left each other behind nor let each other down. They have learned a lot about friendship even if their own kind aren't made to learn friendship. Thats why I called them, they've shown that ponies aren't the only ones to experience friendship, but other creatures too. They carry the Magic of Friendship inside them, just like how they carry the new Elements of Harmony."

"New Elements of Harmony?"

"Yes. The Pillars were the first elements but as they planted the seed, it grew out new elements which are yours: Magic, Kindness, Honesty, Laughter, Generosity and Loyalty. The elements you and your friends hold were just added to the Elements of Harmony but they are the main elements. Since you have proven that friendship is the most powerful magic of all, it is why those elements are used in most of your battles. "

"So are you saying that the new elements the six creatures are holding, will replace our elements my friends and I hold?"

"Nope. They'll just be added, but your elements will always be the main Elements of Harmony."

"But I still don't understand. Why are there new elements all of a sudden?"

"Not every question is something I can answer. But as time flies, the magic of friendship passes down by generation and generation, just like the Elements of Harmony. New elements have been made because there is more to it than just 12 elements. The magic of friendship has been in the six creatures for many years and individually, they were able to experience the element they hold ever since they've became friends."

"But why just now? Why not before?" Spike asked.

"I needed to make sure when was the right time. And during their schoold days, they still had much to learn before they could be able to se the potential in them."

"But if they hold new elements, then what are they?"

The Spirit of Harmony chuckled and answered, "Check the letter and you'll find out."

And then the flash of light returns which made the Spirit of Harmony disappear.

"Isn't it weird seeing the Spirit of Harmony just taking your old form?" Spike asked.

"Uhh kinda.."

Twilight unscrolled the letter and was in shock to see that there were six words underlined in the letter,

"Woah.." Spike was in shock. There weren't any words when he and Twilight read the letter.

"Looks like the world's about to encounter some new elements to the Elements of Harmony" Twilight said.

"But how will we tell the six creatures? The Spirit didn't say anything about how to tell them about this." Spike questioned.

"We'll figure it out soon. But right now, lets just get some sleep" Twilight replied.

Dear Princess Twilight Sparkle,

Just want to let you know that we are heading back to Ponyville from the Great Plains right now. As much as we would like to share everything about our friendship mission, we are not allowed to shared much info about it. The creature we helped was an elta and due to the law from the Queen of the Eltas, we are not permitted to share a lot of info. What we would like to share to you is what we learned from it.

As time goes by, every creature is so busy with their responsibilities that we never get to have the time to be with the ones we love, like our family and friends. Sometimes, anyone assumes things even though they aren't what it seems. For example, when you and your friends are far away from each other, they assume we're not friends anymore. Even in friendship, its important to learn to still be smart not just in studies. You need to learn to think before you speak and learn to be aware.

Its hard not being able to be with them especially when you're in a long-distance friendship. But its best to look on to the bright side. We always think that anything can go wrong but anything can go right too. All you need are some creatures to help you see the better side of life even when things get you down. Even if they don't feel like any of thise kinds of stuff, its best to share the enthusiasm and positivity they need.

There are a lot of things to be afraid of in friendship like trusting your friends, not being able to see each other and many more. Even when confronting them in any situation is scary, but we learn to be strong and courageous, not only to our fears but for the creatures we love. No physical strength is anything like the fearless warrior you are.

Friends are imperfect, just like friendship. Creatures make mistakes but creatures learn from them. Yak makes lot of mistakes but because of yak's friends, yak able to better yak. Yona's friends been with her since the day Yona moved to Ponyville. Yona's friends been so supportive and helpful to her. Yona wanted to do the same thing to every creature. Yak believes that any creature can achieve and do anything, thats why Yona supports them no matter what. If creatures think they're a failure to themselves, they are never a failure to Yona.

Being far away from my friends have never been easy, and I'm sure thats the same thing for you and your friends. But I realized to never give up. I learned to be determined no matter what the situation is. Sure, as a captain of the Royal Guard, its my duty to be at work at all costs. But missing my friends have never left my mind. They were the ones never gave up on me so I should do the same. And thats something no one else have ever done that to me before.

During our school days, I was the only pony to be friends with the other creatures. As a pony, not many of our classmates didn't understand why I would hang out with these creatures. Every ordinary thing becomes extraordinary. Even if I was just an earth pony, I was still filled with care for these creatures. I learned to accept them no matter what they are. I learned to not judge them by their mistakes or by who they're from. Friendship is full of surprises and comes in many different ways. So no matter what form your friendship is, I should always be thankful of it.

                                                                                                                           Sincerely,

                                                                                                                                  Gallus, Silverstream, Ocellus,

                                                                                                                                  Smolder, Yona and Sandbar

The End.

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Hoped you enjoyed this story!! Comment below what are the elements for the Young 6 and which one of them represents each.