Author's Note
Before we start, here's a word from everyone's favorite lazy supervillain, Robbie Rotten:
"Don't let your kids watch the 2017 MLP movie! Before you know it, they're gonna be misled as the Mane 6 could have easily fought back in the prologue and won! The 6 don't use their powers when it would be appropriate early on! Then the kids will buy the toys of walking toy commercials! And finally, I'm FAR cooler than the one-shot villain behind Tempest Shadow, woo hoo hoo!"
Tomorrow is Mine
The Mane 6, not bothering to use their awesome powers to protect Canterlot from the Storm Creatures who enslaved its population, got caught in an explosion that took out a bridge below their hooves. A while later, the 6 washed up on a distant shore. The first thing Pinkie Pie said upon getting back up was "We just got our cupcakes handed to us!"
Rarity then woke up and added "It's over. The bad guys have won!"
Waking up, Rainbow Dash stated "Look at the size of those things! There's no way to beat them!"
Fluttershy, tossing and turning as if she just had a terrible nightmare, woke up after a while, relieved to not be around the Storm Creatures anymore.
Twilight then woke up and formed a plan. "Guys, while we were all unconscious, I dreamed of a way to beat those things."
(flashback)
Twilight dreamed of the first lightsaber battle between Luke Skywalker and Darth Vader. Luke rose up from an elevator to meet Vader. "The Force is with you, young Skywalker", greeted Vader. "But you're no Jedi yet." As he began breathing deeply, both combatants then turned on their lightsabers. Luke's was blue, while Vader's was red. Both combatants began to perform kendo-like swipes and acrobatic evasive maneuvers, cutting through several steel pillars and walls while the lightsabers bounced off each other with each strike. "You are no match, young one."
Luke replied, "You'll find I'm full of surprises."
As they continued clashing their lightsabers, Vader then knocked Luke's away before sending him rolling down the stairs and jumping down after him. "Your destiny lies with me, Skywalker. Obi-Wan knew this to be true."
"NO!" As a large circular hole opened in the floor, Vader knocked Luke into it.
"All too easy. Perhaps you are not as strong as the Emperor thought". As Luke jumped out, the hole released steam that blinded Vader. Vader then looked up to see Luke hanging from hoses on the ceiling. "Impressive. Most impressive." Vader cut one hose, causing it to spew more steam that Luke redirected towards Vader before using the Force to get his lightsaber back and attack Vader again. Blocking the blow, Vader went on: "Obi-Wan has taught you well. You have controlled your fear...now release your anger. Only your hatred can destroy me." Controlling his anger, Luke continued his swipes. Vader then fell over into the outer rim of pipes.
As Luke continued to the reactor room, Vader was waiting for him and continued the fight by telekinetically ripping a pipe from a wall and throwing it at him. Luke cut the pipe in half, attacked Vader more, then got hit by several metal blocks, lost balance, fell out a window, and hung for dear life on a bridge. As soon as Luke got up onto the bridge, Vader cut off Luke's hand and told him "Luke, you do not yet realize your importance. You have only begun to discover your power. Join me, and I will complete your training. With our combined strength, we can end this destructive conflict and bring order to the galaxy."
"We can rule together."
Luke refused. "I'll never join you."
"If you only knew the power of The Dark Side! Obi-Wan never told you what happened to your father."
"He told me enough", Luke continued. "You killed my father!"
Vader replied, "No Luke, I am your father."
Luke could not believe it. "That's not true. That's impossible!"
"Search your feelings. You know it to be true."
Luke gave a big "NOOOOO"!
(end of flashback)
Twilight had an epiphany. "That's it! Lightsabers! An elegant weapon for a more civilized age. They can slice up those monsters back in Canterlot like a hot knife through butter!"
"But where are we going to get some?!?", wondered Rainbow Dash.
Twilight answered, "We're going to build our own".
After an hour of gathering crystals, welding them to metal hilts, and installing cutting lasers into the crystal blades, the Mane 6 finished their fully-functional lightsabers. All of the lightsabers matched their respective users' coats. Twilight and Rarity used their magic to hold their blades, Rainbow Dash and Applejack held their blades with their mouths, Fluttershy got two blades to hold with each wing, and Pinkie Pie held one with her tail.
The Mane 6 practiced swinging their lightsabers around before returning to Canterlot, ready to purge it of Storm Creatures.
As DJ-PON3 walked by the lightsaber-wielding Mane 6, she cast a city-covering spell that played Tomorrow is Mine, a musical cue for the Mane 6 to carve up the Storm Creatures with as much flair as possible. The 6 felt themselves pumped up the second the song started, and they even sang along while fighting the Storm Creatures. DJ-PON3 then proceeded to magically hold one Storm Creature upside down before blowing his head off with her Bass Cannon.
"Tomorrow is mine. You awoke me, unleash the fire in my heart!" Holding her blue lightsaber with both forehooves, Rainbow Dash flew through several Storm Creatures, slicing them in half and stabbing one more through the head. He fell over dead.
"I will dance and I will defeat them through the light and the dark." Pinkie started throwing endless pink lightsabers at more Storm Creatures, skewering them through the head and chest.
"Your mistake was to underestimate my power." Applejack lassoed another Storm Creature and threw him into orbit so hard he exploded. "Won't let go of the fight."
Meanwhile, a crying Fluttershy used her twin lightsabers to block punches from more Storm Creatures. The monsters' fists fell off upon contact with the lightsabers. Then she curled into a ball form and rolled around more monsters. She accidentally hit some in the leg, tripped them, and slightly bounced off each one.
"Til tomorrow's mine!" As another Storm Creature jumped towards Rarity, she roll-dodged and sliced it in half with her lightsaber.
"I will ignite". Not too far from Rarity, Octavia used her own cello bow as a lightsaber, cutting off Storm Creatures' arms, jumping around and landing on their shoulders one by one, and stabbing them through the head.
"Dancing through the fire around me, I'll never stop!" Having built blasters earlier for all four legs, Applejack began to shoot more Storm Creatures dead with shot-assisted punches and kicks while switching between bipedal and quadrupedal stances. Then she finally pulled out her lightsaber to continue fighting beasts.
"You better hide! Now I'm in the mood for the fight!", Trixie continued the song by launching herself onto a Storm Creature dropship with a cannon. Attaching a million fireworks to it, she jumped off and slammed through the cockpit of a second dropship, taking over it and ramming others one by one. Then the fireworks went off, blew up the dropship, and began to hit other ships as well.
A floating Starlight downed the other ships with lasers. "You won't know what hit you when I spin around with you in my dust. Then-"
"Bang bang! Dum dum!" Applejack continued her shots on the beasts. "It's my desire going for the win."
"Tomorrow is mine!" Twilight Force Choked another beast to death before repeatedly teleporting and slicing others in half. "You better run. Don't wait, here I come, no!"
"The fuel in my fire won't run dry. It burns bright!" Spike lit Storm Creatures around him on green fire with his breath. They began to run around hitting each other.
Meanwhile, Trixie parachuted to the floor using her cape and began throwing cards around, causing Storm Creatures to drop like flies. Then she and Starlight freed all the ponies enslaved by the Storm Creatures. The freed ponies joined in and finished the song while mopping up the last of the Storm Creatures: "And you better hide. I came for the fight, yeah! Until tomorrow is mine! Don't miss me too much!"
Meanwhile, Nurse Redheart convinced Tempest not to trust the Storm King to fix her horn. "Tempest Shadow. Being a nurse, I've seen and fixed broken horns before. Come with me if you want to live!" Tempest complied.
With all the Storm Creatures gone, the Mane 6 started to chant in Enochian. "A GRAA ORS TABA ORD AVAVAGO! IZIZOP HONONOL OBELISON!" Then as they did bipedal splits, their magic flew out the top of their heads and combined into a massive version of the original Kamen Rider. The Rider, seeing the Storm King from afar, performed the signature Rider Kick on him, who had no time to dodge. As soon as the kick connected, the King literally exploded. Grunting in pain, his soul flew out of the resulting explosion across Equestria before getting eaten by a Tatzlwurm. Then the Rider dissipated with the magic forming it returning to the Mane 6. The Storm King's destruction also returned both Derpy and the princesses he had petrified earlier back to normal.
Twilight was ecstatic that her plan really worked. "We did it, we saved Canterlot! Now let's get back to that friendship festival, DJ-PON3." DJ-PON3 nodded and started playing Bing Bang from LazyTown. The entirety of Canterlot began to dance to it while celebrating friendship.
THE END
