//------------------------------//
// Let Him Go - Neighs of Future Past 
// Story: Goodnight Woon 
// by lunabrony 
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	Battered and bruised from scraping through the thorns of the Everfree Forest, the two royal sisters at last emerged from the perils of darkness. The land that lay before them was as torn apart as ever, as Discord had seen fit to tear apart Lake Hayrule and put it in the sky instead. Aquatic species of all types swam through midair, blissfully unaware of their situation. Several more were chased by bigger fish, and in at least one occasion, even an eel.
They approached the King of Chaos, who had seen fit to give himself a throne overlooking his master work. Neither of them were in any way amused, in any sense of the word. Luna was tapping at a nearby fish, frightening the poor thing.
"Astounding..." Luna remarked.
"Sister, focus! Or else I'll start referring to you as Princess Tuna instead."
Luna gasped. "You wouldn't dare!"
Discord spun around in his seat, interrupting the exchange. "Oh, look at the two of you. Bickering like small children. This IS so much fun, isn't it? If you like games so much, why not play one with me?"
"We're not here for-" Celestia began.
"How about pin the tail on the pony?" Discord suggested, holding up a disturbingly familiar pastel colored object. Celestia whipped her neck about to look behind her, and Luna burst into snickering. Celestia's enraged telepathic warning silenced her laughter.
"Luna!"
Luna quieted. Barely able to maintain a straight face, she resumed her attention towards their quarry.
"That's enough!" Celestia shouted. "Playtime's over!"
"Put everything back the way it was, this instant!" Luna added.
"Over already? I doubt that," Discord said calmly, leaning back in his chair and summoning what appeared to be a bag of popcorn. "My show has only just started." He offered the bag in their direction, filled with some sort of disgusting looking seeds. "Hungry?" His kindness seemed forced, and neither of the sisters wanted any. "Very well, more for me."
Celestia had run out of patience, and glanced at her sister. Luna nodded, and Celestia nodded in return. Both mares saw fit then to draw forth the Elements that the Doctor had provided, swirling in slow circles out of their saddlebags. This caught Discords attention. Not only was it something shiny to play with, but something magical as well. And he wanted it.
"What's this, then?" He asked. "A new toy, for me? And it's not even my birthday. You shouldn't have."
"We didn't," Luna warned.
"These are the Elements of Harmony," Celestia said. "A last resort to putting an end to troublemakers like you."
Discord tried to hold back his laughter, but failed. "Trouble? Me? Why, trouble is the LAST thing I want. The only trouble is from the ponies who resist me, who can't realize how much better a world of chaos would be! I mean, really. Just look at you. So intent, so serious. It's almost like you actually think you have a chance."
His laughter continued, not seeing the Elements spark to life. Not seeing the sisters touch horns. And only at the very last moment seeing a rainbow of death hurtling towards him. 
"That's not friendship," Discord observed, moments before being hit with the blast. His petrification was instantaneous, and left the two sisters drained of magic and energy. Luna had been fond of Discord, and turned away, not able to even look at what they had done. The effects of chaos magic slowly began to revert, though would take a while to fully do so. The lake in the sky swirled like a drain, depositing itself back into the basin.
"Will things be normal now?" Luna asked.
"Most of it," Celestia said. "I doubt the Everfree will ever be the same again. I don't think it can be tamed."
"A shame," Luna said sadly. "It was a beautiful place."
Their nostalgia was interrupted by a friendly stallion running towards them. "Oi! Are you ladies alright? I saw the blast from way over there!"
Luna's eyes widened. "Hang on, you're that doctor fellow."
"Yes, that's right, I'm the Doctor!" He frowned. "How in blazes did you know that?"
Celestia had to think about this. "You told us that we gave you the Elements, but we didn't know you knew that we didn't know that. You know?"
"Logical," the Doctor said. "And what are the Elements, exactly?"
"These," Luna said, and each of the two siblings presented their half. "They are drained now, but I suspect if you take them back to before they were used they will be recharged. You will encounter us in your travels at some point, give them to us. You said something a fixed point in time."
His face paled. "Well, that IS serious, then. I will do my best, you have my word." He placed them all in his saddlebag, which Luna questioned. 
"The Elements are enormous, how did you get them all in that bag?"
"It's bigger on the inside," The Doctor said. He looked about to say something else, but there came some sort of fluctuating generator noise in the near distance. "What in blazes... that's my ride! I have to go, I'm afraid!" He left in a hurry, running faster than either sister had ever seen him run.
"MISS HOOVES! I TOLD YOU NOT TO TOUCH ANYTHING!"
"But I only touched the big red button!"
"And when has a big red button ever resulted in anything good?!"
Celestia stared off into the distance for a moment.
"Sister, what of Pony Town?" Luna asked. "Discord's magic did a number on it. And the earth ponies worked so very hard to build it."
"We will make it whole again," Celestia said. "We will help them restore it, and expand it bigger than it ever was before. We will make it a safe place for families to grow and children to learn."
"All that for a small town?" Luna asked. "It was fairly large to begin with."
"It will be an undertaking," Celestia agreed. "But we have time. We will restore it, and expand it. And it shall be called Ponyville."
"That sounds lovely," Luna smiled. "And what of us? The castle is destroyed."
Celestia peered out into the distance, her gaze settling upon the tall mountain ascending from the ground in the horizon. "We'll think of something, Luna." She promised. "We'll think of something."