Spreading Chaos

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The cheers in the underground arena slowly turned into screams of ecstasy that would deafen anyone hearing them, all because of the legendary fight they were witnessing!

Fuji was clearly far stronger and faster than Yuki, yet no matter how he attacked him, he wasn't able to land a single hit on his body thanks to Yuki's mastery of the Mutsu Enmei Ryu.

And after a few minutes of fighting where Fuji simply got beaten up left and right, he finally started to grow frustrated and a weird invisible aura started to surround his body.

Meanwhile, Yuki who was relishing in the experience and enjoying himself also got serious as he could see his opponent using magic to strengthen his body

'This is… It feels like the magic that Oga is trying to master through his connection with baby Beel… is this guy someone from their world and is connected to some famous demon?' Wondered Yuki since he couldn't remember who this guy was, but he didn't believe that he existed in the anime of Beelzebub in the first place, maybe the manga… However, he didn't have the time to contemplate further as the guy rushed at him with a terrifying speed!

'Guess it's time to end this' Thought Yuki with a weird smirk on his face as despite the guy's speed, he could still easily see his movement in slow motion thanks to his various abilities and he waited for the very last moment before using his strong soul power to trip the rushing enraged bull!

'What! Did he use magic? but I couldn't sense it at all!' was the last thought on Fuji's head as he stumbled forward only to be greeted with Yuki's indestructible knee which landed right at his jaw and sent him to another dimension… at least spiritually and this was despite the protection of the mask. All thanks to him rushing like an idiot which greatly increased the amount of damage he received.

"Damn, that was close" Muttered Yuki as he took Fuji's mask from his unconscious body while the arena grew dead silent before it erupted like a terrifying volcano from the sheer excitement, and no one even bat an eye at Yuki taking the mask as a trophy for this was one of his habits whenever one of his opponents comes to a fight with something expensive!

"WINNER BY KO, YUKIIII" Yelled the announcer at the top of his lungs bringing a smile to Yuki's face as the cheers increased even more, but he suddenly frowned as he could see the guy in front of him standing up, although there appeared to be something weird about him… His pupils turned pitch black and he eerily spoke…

"I will be waiting to face you personally next time" Before he turned around and left and Yuki couldn't help but tilt his head in wonder 'Is he possessed by one of Yurei's ancestors or something? Guess I will find out if I ever meet him as he said'

So, without bothering much, Yuki simply shrugged and left as well under the cheers of the crowd back to his sweat home to have some sleep, for the next morning he was going to take a trip around the world and destroy som- collect some dark matter…

…

Early morning the next day, Yuki calmly went to the nearest airport to him before he illegally got into a flight that was heading to South Korea. Not only he didn't pay for anything, he even took a seat in first class and simply hypnotized anyone that asked for his identity.

"If only I had a teleportation skill or could summon Dariun to this world, I wouldn't be needing to go through all this hassle… Using Rimuru to teleport me is also a good option but he's been busy dealing with the trouble I left him with, especially that eastern empire is quite troublesome… as for Morgana, being a spirit in a world without magic is like a human without oxygen, it's simply torture for them, so they prefer staying in my magic core…. Tch how useless"

As Yuki was thinking this, he felt a chill coming from inside him and he knew that he just earned himself the grudge of quite the dangerous woman so he instantly changed the subject as he thought

'At least, my quick step is now stronger thanks to the basic space affinity, but it's not enough' then Yuki opened his system panel and noticed that right now, the range of his level 1 Quick step increased from 5 meters to 15 meters.

'Thanks to [Unyielding], I can use it continuously without worrying about the cooldown, but the consumption is simply too much, and leveling it up with normal training doesn't seem possible… maybe I will be able to once I evolve my space affinity '

Since quick step was a space-related skill, he hoped that having a better space affinity would make it easier for him to master, and hopefully, that will be the case...!

…

After around two hours, Yuki landed at Seoul's airport…

"I wish I could stay here and enjoy my time, but my time is quite tight unfortunately… I have a whole world to explore, not to mention a small country" Yuki had an excited look on his face as he checked his location on his phone before he made his way to his target….

He collected enough information from the Japanese lab while everyone was under his control so everything went smoothly as he made his way to the lab leisurely and phantom phased through all of its protection until he made his way to where they stored their dark matter and absorbed everything through his path of evolution.

Then, he used greed to control everyone and threw them out of the lab, but not before they paid for the price of their lives as he controlled them to retrieve the equivalents of 100K dollars in Won from their bank accounts each and deliver them to him before he gave them back their freedom, although they simply remained frozen as they watched the lab they worked in fall on top of itself…

It will be later discovered that all of the support beams of the building had rusted and disintegrated despite the high-quality material they were made of, but it will never be found out that it was courtesy of Yuki using his aura of corruption unrestrainedly while going all over the base using Quick step to make sure that he didn't leave anything intact!

Half an hour later, this lab that probably cost more than a billion dollars to construct was turned into a piece of junk and Yuki nodded proudly while staring at his artwork "This is what true destruction is like, and I even got A few million dollars for it in Korean currency… ah life is beautiful"

After he was done with this, Yuki called Yurei and he heard the latter screaming at him before he could even say anything "Yuki you bastard! I will never forgive you for this"

Yuki simply smiled and said "I guess you should be arriving to your destination soon right?"

"Go fuck yourself" Responded Yurei and Yuki couldn't help but say "Come on buddy, it's just 15 hours of flying, plus you always wanted to visit New York right?"

"FUCK YOU!" Yelled Yurei at the top of his lungs startling the other passengers and it even resounded out of Yuki's phone bringing him a lot of weird stares as Yurei hung up on him..

"Sorry about that, my little brother is a little chou chou in the head" Said Yuki to a passing couple but they simply shot him an even weirder look and ran away from him…

'Good thing I'm smart enough and sent that ghost on this long trip ahead of time' thought Yuki, although his huge ego hid from him the fact that he could have simply communicated with Yurei through his system and avoided causing a scene all together…'

'Now I only need to wait for him to destroy the lab there and bring me the dark matter… I wonder how Shizue is doing, she should be arriving soon in Beijing'

As Yuki's thoughts reached this point, he called Shizue's phone, but as she picked up, he was only able to hear sounds of explosion mixed with screams which brought an awkward smile to his face as he asked "How's the operation going?"

Hearing his question, Shizue shot the scorched lab a weird look as she made her way through the burning hallways where the fire parted whenever she moved to open a path for her as she said "Everything is going fine, I'm on my way to collect the dark matter right now"

'I don't think the situation you are currently in could be called fine' thought Yuki as he made his way to a dark alleyway preparing to move back to Japan through his dimensional link, so he said "I will go and prepare for your arrival"

As he said this, Yuki instantly disappeared and appeared in front of the sleeping Maou who wasn't working that day before he quickly went to his giant courtyard and asked Emilia to help him create a giant barrier that would hide what was going to happen from the outside world.

Once everything was prepared, Shizue instantly teleported to his side while carrying a giant device with her that weighed more than a few tons, and it was clear that it was recently removed from whatever it was attached to so Yuki rushed at it and devoured a specific content inside of it which was the dark matter before he allowed Shizue to simply melt the rest of it away…

"Good job Shizue" Said Yuki while patting her head which earned him a hateful glare from Emilia so he said to her as well "Good job Emilia…" Although she simply snorted at him and pretended that she didn't care as she removed the barrier and left to do what she was doing, talking to Suzuno…

Shizue simply giggled while Yuki shrugged at her before he turned his attention to the notification in front of him

[Dark matter required to evolve (Basic space affinity) is currently 3/4]

"All that's left is that idiot Yurei doing his job properly" muttered Yuki and Shizue tried to reassure him "Don't worry, he should be fine.."

"I hope so" responded Yuki, all the while a certain person was spying on them… It was Suzuno who finally caught a glimpse of the power of these people that dared to live with demons!

"As I told you before, don't provoke them" Spoke Emilia calmly as she approached her before she shot Yuki a look from the window and noticed that despite how focused he seemed on whatever crazy thing he was doing, his back was never turned to Suzuno, and neither was Shizue's!

"And don't think for a second that you were able to hide your presence from them" as Emilia said this, she calmly patted Suzuno on the shoulder leaving her to drown in her own thoughts, but she eventually clenched her fists and vowed 'I need to turn them into my allies, no matter what!'

….

Meanwhile, In a certain lab in New York, everything was turned upside down as if it was hit by a natural disaster as an angry Yurei used his psychic powers to vent his anger… yet even after he destroyed everything other than the item Yuki required, he still didn't feel satisfied so he started turning his attention to the terrified people, or to be more specific, their wallets!