Destroyer of worlds

by Mr nerd

First published

A man with the powers of decade gets transported to Equestria

A man who always wanted to be a Kamen rider, finally gets his chance to be a hero. Will he be able to protect the ponies from danger? Well let's find out!

Also to avoid spoilers please watch the whole Kamen rider decade show, even the movies because it will all be written here

The awakening

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He was asleep,he was sure if it because he was tired and snoring. He also had his eyes closed. He was then starting to wake up,and as soon as he opened his eyes he saw that he was in a hospital room.

"What the? Where am I?" He asked himself.

The door then opened to reveal a white coat pony with a pink mane and a nurse hat and a red cross in it's flank.

"Oh, hello there. My Name is."

"Nurse redheart." Ken said before the white pony could continue,wich surprised her a little bit.

"Yes that is who I am. But how did you know my name?" She asked while raising an eyebrow.

"Hm? Oh,uh, just a hunch." Nurse redheart then looked at him one more time before shrugging.

Now,not only was Ken a Kamen rider fan. But he is also a bit of a brony himself so he pretty much knows almost every character in the show.

"So, where am I?" Ken asked.

"Your in the pony ville hospital." Nurse redheart replied.

'Ponyville?! But that's impossible! How did I even get here?' He thought to himself.

"May I have your name sir?" The white pony asked,wich snapped Ken back to reality.

"Hm? Oh,my name is Ken." He said.

"Alright mister ken,the doctor is coming in here any second now to talk to you. As for now please wait patiently." She said before leaving the room and closing the door.

'Okay, it's either I'm dreaming or I'm losing my mind' he then pinched myself and it hurt.

'Okay this not a dream' He raised his hand and slapped himself. He kept doing this until he finally gave up and accepted that this is all real.

'But why am I here?' He asked himself.

A piece of paper then appeared right at his face and landed at his bed. He picked it up and started reading it. It said...

'Hey Ken remember me? The guy you talked to in the cafe? Yeah that's me. Right now you probably know that you are in Equestria and,I also granted you the wish you wanted. It's not here at your hands,well at least not yet. But soon you'll know what I'm talking about, right now you should talk to that doctor who's at the door. Well good luck!' There was a light knock at the door, before it opened to reveal a stallion wearing glasses and a white label coat,he was also holding a clipboard in which Ken assumed was his results. He also had a horn which signifies that he is a unicorn.

"Hello There,Ken was it? How are you feeling?" The doctor asked.

"Um,good I guess? I'm not really feeling any pain." Ken replied.

"Well that explains it,the results here says that you have a serious damage in your vital organs. But for some reason it's healing on it's own and fast." The doctor said while looking at him.

"Really? Huh." Ken said while looking at his bandages.

"Starlight glimmer,who is the mare that brought you here,said that she found you in the everfree forest unconscious." The doctor said.

"I will inform her that you are awake, please stay here at the meantime." He said while leaving the room and closing the door.

'So this isn't a dream' Ken thought to himself.

A few minutes later and 6 other ponies came in,wich were starlight and the mane 5. When they entered,Ken and the ponies just stared at each other before the young man broke the silence.

"Um,hi there everypony." Ken spoke up. Then pinkie zoomed right in front of him with a smile.

"Hello there! I'm pinkie! What's your name?! I've never seen you before! Are you new?! You must be new!" She kept rambling on until Rarity levitated her away from the young man.

"Yes pinkie I think he gets the idea." Rarity said. Applejack then stepped up.

"Well partner, now that that's over allow us to introduce ourselves properly I'm applejack and you already know pinkie." Then Rarity stepped up.

"I'm Rarity darling,and if you ever need something good to wear then just come down at my boutique once and a while." She said with an elegant tone. Then rainbow dash stepped up next.

"Hey, I'm rainbow dash. Fastest flyer in Equestria." She said proudly. Ken nodded and turned his head to Fluttershy. She notices this and hides behind her mane.

"Oh,um,I'm Fluttershy." She whispered.

"Nice to meet you Fluttershy." Ken said wich surprised Fluttershy.

"You heard me?" She asked in a soft tone. Ken then realized what he just said and decided to say that he indeed heard her.

"Uh,yeah I did hear you." He nodded and followed it up with a smile.

Ken turned his head at starlight "I already know you, starlight glimmer." Ken said

"So I'm guessing that the doctor told you about me?" Starlight asked.

"Yes he did." Ken lied because he already knew all of them,this also caught applejack's attention but she just shrugged it off.

" My name is Ken and Thanks for bringing me here starlight." Ken said.

"Oh it's nothing, I'm just helping somepony in need." She said with a smile.

Ken replied with a smile of his own,he then noticed that Twilight wasn't here and he was about to ask where she is until he noticed that the ponies will be suspicious at how he knows her. Mainly because he is an unknown species to them.

"So now that the introduction's are done now let's talk about what happened to my stuff." He doesn't know that his stuff has gone with him,bit he just wanted to make sure. Because he really needs his stuff back.

"Well it's here in the hospital. They just have it hidden somewhere safe,so don't worry." Starlight said.

"Thank you,now can I go?" Ken asked.

"Oh sure,you just have to sign a few papers,get your stuff,and your done!" Pinkie said in a happy tone.

"Alright then can I sign those papers up?" Ken asked.

An hour has passed and Ken has already signed the papers. Now all he has to do is get his stuff back. When he went to the front of the reception desk and he was about to get his items before he noticed something,odd.

Like sure there was his backpack but,he also has some other stuff. First he has the decadriver and the booker from Kamen rider decade,and his clothes are also a red and black tracksuit. He knew these weren't his real clothes since he's wearing a hospital robe.

"Um,excuse me but. Are these really the items I have." He asked the receptionist.

"Yes sir,these are all the items you have. We even double checked to make sure." The receptionist replied.

Ken then turned his head to starlight and said "Hey starlight are these really the items I had when you found me?" He asked.

"Yep,they are all the items you had with you." Starlight replied. "Why? Is something wrong?"

Ken shook his head and said "No nothing is wrong." He then picked up his stuff and said "Is there a dressing room somewhere?"

"No,but we do have a bathroom stall to the left." The receptionist replied.

"Okak,thanks." Ken then went to the bathroom stall came out with his tracksuit on and him holding the decadriver and the booker. He also has tsukasa's flat hair style to go with the tracksuit.

"Ready to go?" Starlight asked and Ken simply nodded.

They went out if the hospital to give Ken a tour around pony ville.

"Well Kenny, welcome to pony ville!" Pinkie said out loud.

"Thanks,now I gonna need to find a job so that I could get a house." Ken said.

"Oh, You don't need to worry about that. Twilight told me that you could stay at the castle with us." Starlight said.

"Well, thanks starlight." Ken said.

"Don't thank me,thank her once you two meet." Starlight replied.

Suddenly screams were heard and an explosion as well.

"What was that!?" Applejack asked.

A black humanoid creature with the head of a bug suddenly appeared. The ponies and especially Ken was shocked by this.

"What the hay is that?!" Rainbow dash asked.

"I don't know but it looks hideous!" Rarity exclaimed.

"We gotta stop it!" Starlight shouted. And all of them nodded their head and charged at the monster.

As for ken,he was just there frozen from fear. He doesn't know what it's doing here. But now the mane 5 and starlight are fighting the creature and they seem to be losing. Ken doesn't know what to do,but he just realized something 'Wait,if a monster that looks like a Kamen rider monster then maybe' Ken then looked at the decadriver and the booker at his hand. After a few moments he looked up to see that starlight and the mane 5 are on the ground injured.

Ken couldn't take it anymore,he has to do something. He then saw the monster walking up to him slowly.

"Ken,run!" Starlight shouted.

Ken looked at the items one more time before slapping the driver to his waist, then he opened the booker and picked the card for decade. The monster and the rest of the ponies looked up to him in confusion because they have no idea what is going on right now.

Ken then brought the card in Front of him and said "Henshin!" Before putting the card in the driver wich activated it and said "kamen ride." He pressed the metal handles wich let out another voice saying "Decade!" A bunch of red cards then flew up the driver and into Ken's face.

The others,even the monster was shocked by this. Ken was now in a red,white,and black stripe armor. He has now transformed into decade in his violent emotion form.

"Whoa." That was the only thing the ponies could say.

Ken then dusted both his hands,and charged strait at the beast. The monster tried to attack but Ken blocked it with his right arm,then he punched the monster wich sent it flying. The monster was angered by this,and charged straight at the rider he swinged his right arm only for it to be Dodged he swinged his left arm wich also got dodged. Decade then kicked the monster away and punched it right in the gut,he punched him at the head and at the arm as well. The monster then tried to stab him right at the face only for it to be countered with a knee to the gut. The monster backed away from the pain, while Ken pulled out another card and inserted it to his driver "Final attack ride." He pressed the metal handles "D-d-d-decade." A bunch of giant cards then appeared right in front of the monster and ken. The rider jumped and delivered a powerful kick at the monster wich resulted in an explosion. The rider then dusted off his hands and looked at the ponies.

"Are you guys alright?" He asked.

"Who,are you?" Starlight ignored Ken's question with a question of her own.

The rider then smirked under his helmet and said "Just a passing through Kamen rider."

The devil

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"Kamen rider?" Starlight asked.

Ken went up to them and and picked another card,in wich he slide down his driver "Kamen ride." The metal handles were pushed,and. "Kabuto." His armor has changed to all red,and the design is kinda like a beetle.

"I'll explain later." Ken replied while picking another card and inserting it.

"Attack ride."

"Clock up."

And before the ponies knew it, their wounds have bandages and ken has now transformed back into his regular self.

"How did you?" Fluttershy asked,then Ken pulled out the card he was using before and said.

"This is kabuto,the fastest kamen rider to ever exist." Then rainbow dash stepped up.

"Fastest huh? Well he's definitely not faster than me!" She said with some pride.

"Maybe,maybe not." Ken replied while shrugging.

Starlight dusted herself off before saying.

"Well,we should get going. Twilight and the other princesses are waiting for us." And with that being said,they went to the train station and boarded at their ride to canterlot.

While in the train Ken was looking at his cards. When he was done,he simply placed them inside the booker.

"Okay,so I pretty much have all the cards in this booker. Now all I have to do is sit back and relax until we arrive." Ken said to himself quietly.

When they arrived, everypony looked at Ken until going back to their business. They kept walking until they reached the castle gate. When they went inside,they were greeted with a massive hallway,wich surprised Ken greatly.

"So uh,what exactly are doing here?" Ken asked.

"We're going to see the princesses silly!" Pinkie replied joyfully.

"No,I mean. Why are we being summoned here?"

"The princesses said that they want to see you." Starlight replied.

"Oh, okay." Ken said.

They kept walking until they stopped at a giant door. When it opened,it revealed a humongous room where three princesses are seen sitting beside a throne,and one sitting in it. When Ken and the others entered,they kneeled down at the princesses.

"No need for formalities,my little ponies." Celestia said. The ponies then stood up except for Ken.

"You as well, good sir." She said while pointing at Ken. He then stood up and said.

"Thank you, your Highness." Ken said while nodding.

"So,this is the human?" Luna asked.

"Yes princess." Starlight replied.

"I'm surprised. Humans that enter Equestria should turn them into ponies." Twilight said while raising an eyebrow.

"Huh,well that's interesting." Ken basically has never watched Equestria girls before so he doesn't know how Twilight turned into a human. And yes,he did hear about her turning into a human.

"Well, except him turning into a pony. He can instead turn into Decade!" Pinkie said,wich caught the attention of both Celestia and Luna's attention.

"Wait,did you just say decade?" Luna asked (I don't know how to do everyone's accent,so just stick with it for now)

"Yes ma'am,a monster attacked ponyville earlier and this fella here transformed into decade and saved us." Applejack replied.

There was a brief silence before Celestia shot a magical beam at Ken,in wich he dodged rather easily. Everyone in the room except Luna was shocked by this sudden course of action.

"What the?!" Ken asked.

"Princess,what are you doing?!" Twilight asked but received no response. Instead Celestia and Luna landed in front of Ken,just ten meters away from him.

The two sisters then activated a giant barrier around all of the ponies.

"You will not touch them,Devil!" Luna shouted.

"Devil?" Everyone asked.

"Auntie,what is going on?" Cadence asked.

"That is Decade,the destroyer of worlds. We we're warned that he will come someday." Celestia replied.

"Destroyer of worlds?!" Everyone then got into a fighting stance.

"Princess please, just hear me out."

"No! We will not listen to your lies!" Celestia shouted.

Luna then turned around to the ponies behind her and said "Everypony,stay here until me and Tia ask for help." Everyone nodded.

Both of the alicorn sisters then charged at Ken with full force, but luckily for him he was able to dodge them easily.

"Guess there's no point in reasoning with you." He then took out his decadriver and slapped it in his waist. He took out a card and position it in his left side.

"Henshin!"

"Kamen ride."

"Decade!"

Ken dusted off both his hands and charged straight at the princessess. Celestia and Luna already conjured a sword and shield, while Ken tried to punch celestia but instead was blocked by her shield, although it did push her back a bit.

Luna swinged her sword but Ken blocked it and kicked her wich pushed her back. She then fired two magical beams at him,but Ken knew how to counter that one. He pulled out another card and inserted it to his driver.

"Attack ride."

"Invisible."

Ken disappeared wich confused everyone,and they started to look around for him.

"Show yourself! Coward!" Luna shouted ferociously.

Ken appeared right in front of the sisters and grabbed them by the neck. He then ran towards the wall and kicked it then jumped out of the broken wall with Celestia and Luna.

"C'mon, let's follow them!" Rainbow dash shouted and everyone nodded,then they all went outside.

Going back to the fight,Ken punched both of their shields so hard they broke. He then pulled out another card.

"Attack ride."

"Slash."

Ken took his booker and turned it into a sword. He proceeded by Slashing both of the princessess right,left,top,and bottom. The two were pushed to the ground, injured. When the others arrived they were shocked at what they saw. Two of the most powerful ponies in Equestria is being overwhelmed greatly.

"We need to help them!"

"No Twilight,we have to stay here just in case." Cadence said.

"But-" Twilight tried to reason with her sister-in-law,but cadence looked at her.

"*Sigh*alright."

Back to the fight celestia summoned a hammer, while Luna summoned a sythe. They were clashing weapons,until decade backed off and pulled out another card.

"Kamen ride."

"Kuuga."

His appearance has changed to that of a warrior with red armor. He charged at them and started to fight once again. He kicked Luna back with sheer force before pulling out another card.

"Form ride."

"Kuuga Titan."

His armor and helmet changed to silver with blue stripes. Luna swinged her sythe at him only for it to be caught with his bare hands. Then he kicked her back and took her wich transformed into a sword.
He proceeded by Slashing her 5 times before she was knocked to the ground.

"Luna!" Celestia immediately went in front of her to guard her. As for ken,he once again pulled out another card.

"Form ride."

"Kuuga dragon."

His armor and helmet changed back the way it was in the field one, except this time he's blue. Celestia swinged her hammer but Ken caught it with his right hand,and kicked celestia away. The hammer that is in decades hand,has now been transform into a blue staff. He spinned it around a bit with his right arm before, hitting celestia with it 5 times.

Now both of the princessess are on the ground, injured. The ponies that are watching are getting ready to defend themselves. Ken has now transformed back into decade's violent emotion,and he had just pulled out another card.

"Final attack ride."

"D-D-D-DECADE."

The big cards once again appeared,and when Ken jumped the cards went up as well. Then he delivered a powerful kick,that caused an explosion once it hit. The ponies gasped in horror at what they just witnessed. But when the fire faded away,they saw that the two rulers were alright. Ken walked towards the princessess, before stopping just one meter away from them. Then he took his cards from the driver wich caused him to go back to normal,and he also took the driver from his waist. Everyone was confused at what is going right now,the two rulers were still on the ground injured. Then Ken finally broke the silence.

"I'm not an enemy."

Prologue (changed)

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In a lovely afternoon,a young man by the name of Ken was watching Kamen rider decade in his phone in a cafe.

"Man,I really wonder what it would be like to be a Kamen rider." He said to himself. No-one heard him because it was just a whisper,but that's what he thought.

Another person across the cafe had heard what the young man said. He then went up to him and sat down at the chair across the table of Ken. He noticed this and spoke up.

"Um,can I help you?"

"Why yes you can. I noticed that you couldn't help but want to be a Kamen rider." Ken was a bit shocked at this and said.

"How did you know?" The other person then chuckled lightly before saying.

"Sonny, I can hear anything from a mile away." He replied.

"So,do you want to be a hero?" Ken then looked at his hand before clenching it tightly.

"Yes,I do." The person then immediately touched the forehead of the young man,and before Ken knew it he was unconscious.

The other person immediately picked him up before anyone else can see,and opened a portal at the floor under the table. He threw Ken into it along with his backpack.

"Good luck,decade." He smiled before exiting the cafe.