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Devil Knight

Summary:

Erix is a retired adventurer who now is a drill sargent, is throw into a another plane where everyone have superpowers while he is just a tiefling with proficiency with almost every weapon, would he be capable of adapting to such powerful world?

Notes:

Hey guys, just let you know, english is not my first language so if i made any mistake please let me know, i want to "git gud"

Chapter 1: Accidental Planeswalker

Chapter Text

Waterdeep 20:00

 

The sun was hiding while the moon start to rise and cover the sky, as well as many of the recruits of the City Guard of Waterdeep where exhausted due to the training made by their maniac drill sergeant Erix, a black haired Tiefling, with a red colored skin, equip with a full plate armor and on his back was resting a green greatsword, “Okay rookies go and rest because tomorrow you guys are gonna run around the barracks while wearing your armor!” he said with a big smile on his face unlike the recruits who answer with not a lot of energy they clearly weren't happy with the news.

 

As Erix was leaving the training grounds a dark cloud suddenly surrounded him, he immediately pull out his Greatsword and took a fighting stance and in less than two seconds the world turn black.

 

Unforeseen Simulation Joint 13:20

 

“For the Heroic class of today you will learn to be the heroe everyone needs if there is a flood, earthquake or any other disaster, you will learn to do rescue missions in the Unforeseen Simulation Joint or U.S.J! for short” the space theme hero said.

 

Aizawa got closer to Thirteen and whisper trying to make that none of his student hear him “Hey Thirteen, where is All Might? he should be here”

 

“He used his time being a hero” she said but she could see that Aizawa was not happy with this information. 

 

-“Before we start, just one thing… or two… or three… anyways, as you may know my quirk is Blackhole, i can absorb pretty much everything and turned into dust”

 

-”Its also a great quirk to remove wreckage and save people!” Midoriya said with with a huge smile on his face almost holding himself to not start talking no stop. 

 

“Thats right however it can also be dangerous for anyone if im not care-”

 

As Thirteen was explaining, Aizawa felt that something was off. He couldn't put his fingers on it but his instinct was telling him to look at the center of the plaza and he hated that his instincts where right. Suddenly a black portal opened and from it where a group of people came from,

 

“THIRTEEN COVER THE KIDS! KIDS GATHER BEHIND THIRTEEN!” the order was clear as he prepare his capture scarf.

 

“Whats going on? is this part of the class?” Kirishima asks.

“This is not part of it, this are real villains” Aizawa said as his eyes where focus on the villains in front of him.

 

A black fog with yellow eyes look around “Erasedhead and Thirteen.. but there is no All Might, even when the curriculum said otherwise”

 

A blue haired boy with hands covering all of his body as well as his face walk to the front “And we prepare everything for him, well i wonder if All Might will come if we kill a few kids..” his words where carrying a lot of hate.

 

“Are there any security system that should activate Miss Thirteen?!” Yaozoru look at her professor hoping for a solution or a miracle, which sadly never arrived but instead was a nightmare.

 

“It Should but is not responding and i cant communicate with anyone outside of the U.S.J!” she said with frustration as she look at the device on her arm trying to connect with anyone outside.

 

“Thirteen get the kids out of here now!” Aizawa shouted as she just nodded.

 

“Students follow me!” Thirteen said as she runs towards the exit however her path was block by a black mist who block the path.

 

“Grettins we are the League of Villains and im sorry for interrupting your class however i cannot let you leave this place” as he said those words Thirteen used his quirk against Kurogiri, he counterattack making two portals and using Thirteen quirk against her and wounded her badly. Kurogiri use this opportunity to use once gain his quirk and spread the students around the U.S.J and their view was fill with darkness.

 

U.S.J Mountain Zone 13:22

 

We were suppose to have a nice class about rescue missions.. THEN WHY ARE WE FIGHTING FOR OUR LIFES?! “ Denki yell as he barely avoid one of the villains attacks

 

“Can you shut up?! we have to focus on this villains as well as cover Thirteen!” Jirou responded. Yaozoru was fighting some villains with a iron staff but they were surrounded and their professor was unconscious behind the students.

 

“Hey guys we have reinforcements!” one of the villains said as he pointed at the new portal that was made and from it a man with red skin, yellow eyes, with a broken horn that was wearing a fullplate armor as he was wielding a green greatsword and he was in a fighting stance. The trio of students look horrified, seeing the new enemy slowly looking at the situation.

 

“Are you guys attacking childrens?” the red man said his voice was carrying anger and doubt, Yaozoru couldn't help but to feel a little bit of hope maybe this new guy was not with them but why did it came from a portal like the others? before she could continue thinking one of the villains voices bring her back to reality.

 

“Are we not here for that reason, red guy?”a villain with a sword in hand said.

 

The red man face twisted in anger and disgust “Either leave the kids or you will lose a arm or your life, you choose” the red man was closing the distance slowly.

 

three of the eight villains charged at the red man, no one dare to move their eyes from the new battle as one of the villains with a morning star arm swing at the men only to be dodge to the side and quickly that same arm was on the floor. The villain look where his arm was supposed to be and scream in pain, shortly after the second villain didn't realize that he was staring at his companions arm for too long and before he knew he was in the floor with only one leg and more screams fill the artificial mountain, and lastly the third one try to attack the red man from behind but he ended up being split in two from his hips, the rest of the villains simply drop their weapons and run away in fear.

 

The trio of students of students were terrified, in front of them some guy just cut a arm and a leg and another was split in two without a doubt and worse of all they could still hear their screams on the floor while they were losing blood.

 

“Hey kids are you ok?” the red man got closer with his sword covered in blood, Jirou yell at the man “STAY AWAY FROM US YOU FREAK!” her voice was full of fear and her legs where shaking a lot. Yaozoru immediately rise her staff and pointed it at the red man.

 

-“Okay i think we started with the wrong foot, My name is Erix what about  yours kids?” he said while slowly getting his guard down.

 

-“Why would we tell our names to a villain?!” Denji look at Erix with doubt and fear.

 

-”Because i want to help you kids, if i wanted you could have the same fate as those guys” as he points a the trio of villains “I also need to know where are we right now”

 

Yaozoru look at Erix baffled did he really not know where he was? it didn't make sense. “Why should we trust you? you came from the same portal as those villains, how do we know you are not with them?”

 

Erix look at the girl and sigh, this conversations was leading to anywhere “Look, if you don't want my help thats fine however i recommend that instead of arguing with me, you should be worry about that person in that weird white suit, im not expert but a suit shouldn't have the back expose like that, and if you excuse me im leaving, good luck kids” 

 

Erix just turn and try to look for a way to leave this artificial mountain, as he starts to walk, the black haired girl talk once again “Momo Yaoyoruzu, thats my name” The tiefling stop moving and turn to the girl.

 

“Why the hell did you give him your name?!” both of the students yell at her classmates 

 

“Look i dont like it either but if he really was with them he could kill us from the start, i think is our best course of action is to stick with him” Yaoyoruzu was clearly not happy with joining forces with a man who just kill a person but she didn't have any better idea. Both Denki and Jiro wanted to counter argument but no words came from their mouth

 

“Denki Kaminari” said the blond boy and the other girl follow the example “Jiro Kyouka”

 

“Good now that presentations are done can i check the person in the weird suit?” The tiefling look at the trio of students witch they nodded, as he got closer he realize a few things.

 

1)The person inside the suit was a woman and it was unconscious.

2)A huge chunk of skin wasn't there but instead her muscles where expose and that missing chunk of skin was from her back, from her hips to the neck.

3)If they werent fast enough it could get infected witch is no good at all.

 

“Sorry kids I can't heal this, medicine is not my area you know? but we can get help if we leave as soon as possible, Denki and Jiro both of you will carry that person, Momo you will be on the rear, we don't want any surprise attack from our backs, i will go in the front, any questions?” as he look at the group of kids.

 

Jiro quickly answered, “Why do you call us by our first names? we barely know each other.

 

Erix look at her for a moment confused but quickly compose himself “Cultural differences i guess, where i come from we just call them by their names”

 

The trio of student look between themself and nodded and shortly after they get into positions, Jiro and Denki carried thirteen by the arms trying to not touch her back as much as possible, during that time Jiro stop moving and told Erix about her quirk which was amazing to detect enemies but now it created a question for the tiefling ….what in the nine hells is a quirk? it work like sorcerers or wizard magic?, it was like a deal with a demon or a oath? the answer for those questions will have to wait for later.

 

As they go down the artificial mountain Erix manages to get a little bit more information, turns out he was in the U. S.J a building that was made to simulate natural disasters and learn how to save civilians and how to act in those scenarios which was amazing if Erix manage to return to Waterdeep he would love to take this idea and use it for both the City Guards as well as the City Watch. 

Jiro also told him that they were students and they wanted to be heroes, but what caught Erix's attention was the context of “Hero” it sounded as if it was like some sort of position, a rank, it didn't make sense to him a Hero was supposed to be someone who gain the people heart by saving both the civilians and dealing with the bad guys but didn't have this rank connotation, his vision of heroes would be people like Drizzt, Jaethal and of course the legendary Minsc and Boo, this sounds like more questions for later.

After a few minutes avoiding more “Villains” as the kids would call this guys they manage to find the exit of the artificial mountain and they arrive to the main plaza of the U.

 

In the main plaza, there was this hobo with a white scarf fighting a bunch of enemies and damn he was good at it he could see that the kids knew the hobo and they look happy or at least they were until a blue haired boy covered in hands manage to grab his elbow and suddenly the skin was gone and now it was pure muscles he manage to gain some distance with the boy but didn't matter because shortly after a black humanoid thing rush towards him and slam it on the floor, the kids were horrified. 

 

“Yaoyozuru, you are in charge of the group! Im gonna help that hobo and kids stay hidden understood?!” somehow they manage to escape from their trance for a moment and nodded. Without thinking to much Erix rush towards the black creature with his greatsword at hand.