NS was utterly confused how he got into here. A never-ending white space. How did he even get here, he barely even noticed a tear in the space before being sent here. And even that fraction of a picosecond. He managed to intercept it slightly, but all that did was change the intended location
'looks like im in some kind of anti-void thingy. whatever this is called. hope this isn't error's. though theres isnt any blue yarn sky anywhere.'
He started heading to a random direction after Eeny, meeny, miny, moeing around, going north-west from his position. Testing out his own speed on foot since now there's a infinite ground with no obstacles guarantee; no warranty.
After a minute of basically going full speed, he realize slowly that he can't really measure his speed like this. But at least he can say he's massively faster than light.
Well NS needs warranty because he actually did hit something. He immediately skeeted to a stop after his body was covered in dripping gooey black ichor. Looking back at basically a black splat on the white void.
'who did i just kill?'
No notification of gaining EXP was given. Meaning it's not exactly killed. Slowly, the black ichor on his body slowly wriggled to life before springing itself out of NS, going back to the 'splat' and fusing with it. And soon...
It grew back into a humanoid figure. A black inky Sans, with features being a glowing ominous teal like colour.
-— * This... This Interesting Negativity.. Another Sans. No— You're Completely Not Like A Sans Or A Monster.
— * a being of negative emotions. i assume.
-— * Correct. Though I Am Intrigued, I Want to See What You Can Do. Wanna Make A Deal?
As soon as Nightmare finished his words, a spear of pure, positive energy pierced his chest. Nightmare quickly got out of the attack, and threw a speeding ball of negative energy.
NS caught it. Holding the supposed intangible object, he examined what it was made of. Nightmare was slightly appalled. Before laughing.
-— * Haha! You Are Truly Unique. What An Anomaly.
— * flattery isnt needed.
-— * I Say Simply But A Fact.
NS grin matched the cunning smile of Nightmare. And hands had met to shake upon, officially coming to a agreement. And the terms of what Nightmare had for him was odd.
He mentioned that to infiltrate a group of Sans's with his brother, Dream. And there. He gathers info and when two side meets, he acts to fight but its really just training the trio he has on his inky palm.
— * seriously?
-— * Serious Serious. Just For Fun.
— * for real?
-— * That's Enough. We Better Hurry And Get Out Of Here Before That Guy Finds Us.
Nightmare waved at NS to come with him, opening a portal to somewhere else that would be convenient.
The portal was dark, a shade of a green and blue. Both of them entered; and Nightmare spoke out once more to introduce.
-— * This Is My Dimension. A Base Of Operations We Will Use.. Of Course For Someone Like You, Don't Worry. I Will Treat You As An Equal. If You Don't Disappoint Me That Is.
— * if i can kill while doing this, i got no problem.
-— * Good.
— * Yo, Boss! Who's the new guy!
An excited voice shouted out as the both approached the manor that Nightmare created. Another Sans appeared at the entrance. Dark liquid flowing out of his sockets, a glowing red ring that encompassed his soul.
Killer Sans.
— * New blood in our group?
He spoke once more. Twirling a knife around his finger effortlessly.
-— * Don't Bother, Killer.
Nightmare coldly dismissed Killer, leading NS somewhere. When NS walked past him, Killer froze up. After NS disappeared into the manor, Killer's knife dropped as sweat covered his head as Killer ran dozens of thoughts about NS. Excitement over taking that sudden fear.
____
10 Minutes later.
NS after discussing matters with Nightmare, eventually entered a portal Nightmare opened. At the other side of the portal the scenery was a complete contrast to the dark world of Nightmare's domain.
It was the surface.
'hmm..'
Appearing at the sky. NS travelled around the planet before finding a big city; of monsters.
'its this au?'
Seeing a Papyrus rocking the orange jacket, and a Sans having battle armour. He immediately came to mind of the au— Underswap. And it's the timeline of the one showed in a series called UNDERVERSE.. Wished he watched it more.
'too bad, i only really watched fully the first ever video of it. was it a black vial ink? eh.'
______
Underswap Sans was enjoying the party that Muffet hosted. With his sharp instincts, he noticed noise in a distant alleyway. Looking at his surroundings and the others, he decided to investigate it. Seemingly being free of a conversation.
Approaching the alleyway, he saw NS. Patiently waiting, enjoying the graffiti art he made after finding a leftover paint spray of blue and black.
Underswap Sans's eyes beamed in stars. It was...A skeleton!
— * Hello! Fellow skeleton!
— * yo.
Minutes later, he easily got along with US! Sans, since this over extrovert type is too easy to fool. He was introduced to the main monster group, especially Papyrus.
While NS talked with everyone, US! Papyrus was thinking. He was getting paranoid over this. The sense of danger coming off of him is insane, yet no one noticed other than Papyrus.
_______
Few days later after staying in the Underswap AU.
NS was on a patch of grass on a hill. Staring at the clouds, before moving to his hands. He clenched them. Still feeling it was all real. He sighed...
Thinking more of it, he feels like he's being shackled, he can't exert his actual full power.
Using his space manipulation. The world suddenly cracked like glass, before shattering to a inverted version of it. He arrived into a different dimension of the universe, a copy yet different. There was no life. Making sure he can actually use his powers, he finally unveiled his power that he always held back.
The world went even more silent in the dimension, all light seizing to exist other than NS himself being the sole focus. Before suddenly exploding with a terrifying aura.
Looking at his hand, he felt unsatisfied.
'this isn't my real power.'
Slowly, his form changed. growing taller. His bone turning a dark metallic grey.
And a moment later— he had turnt back to his Demi-god form.
Even though the aura has disappeared. It was actually even more powerful. If he fought the previous him a second ago in the normal form, he'd do it in a instant.
Because the form he was taking was a damn limiter that he put himself. Without being his actual true form, he can't unleashed the full strength that neared multiversal.
With just a shift of his glance. The other dimension instantly broke in the pressure of NS. Going back to the normal dimension, NS immediately went back to his regular form.
He felt like he took a massive breather, a weight of unrest finally disappearing.
'i need to fix this later.'
— * Hey, Hey! Nasha! I want you to meet my other me friend, Dream!
— * oh?
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not gonna lie, i didnt really wanna do nightmare as a team but here we are. I will focus updating the character sheet in the aux chapter.