//------------------------------//
// Interferring Elsewhere 
// Story: Since Before the Stars Swirled 
// by The Real Darkness 
//------------------------------//

Sunset and Pulsar had carried on down the street for quite a while with no words said, reaching the commercial area and going even further, even to the point they ended up in upper class residential houses.

"You'll get sick of hearing this, but it reminds me of all my time spent as fledgling mage, researching away. I'd go for these outtings often with other ponies."

Sunset was silent.

"And we'd just continue on for as long as we wanted and teleport back when we were finished. It was an infinite thing, there was always somepony trotting the same paths through the wilderness, always some mage looking for mental clarity, to unwind, to clear their head, or to hit the next epiphany in their research."

The fiery girl still did not respond.

"Something on your mi-."

"Sunseeeet!" It was a voice familiar to both of them. A Rarity, at least of this parallel world came bounding down out of a house that obviously suited her and she beamed at the two of them, "oh darling, did you snag a new man? He's quite a catch."

"I-I..." Sunset shied.

"Joking! Just joking! He looks too sophisticated for you, but maybe not for me," Rarity held her hand out and Pulsar looked to it for a second or two before shaking it, "Rarity, pleased to meet you."

"Pu-Shadow Aura, I've met your parallel universe half, Rarity."

"Ooooo, an Equestrian," Sunset looked like she was internally steaming at the purple headed fashionista, "we haven't seen Twilight in a loooong time. What brings you to us?"

Rarity gestured them to go into her home and they began walking up her driveway, "Princess Twilight sent me."

"Judging from Sunset's reaction, I imagine something is wrong there?" Sunset kept her head down, her eyes staring at the groun and at her name she sprung up, brought out of her daze.

"Not at all. Princess Twilight simply sent me here for the goal of having me make a friend and integrate back into Equestrian life and occurences."

"Integrate? Make a friend here? None of that logic makes any sense," Rarity spoke.

"He's immortal, Rarity. Twilight sent him here because she believed my personality would mesh well with his," Sunset explained.

Pulsar looked to her, a little shocked she chose to speak for him. In the age he lived, every unicorn was expected to defend themself in social conversation.

The world must have changed a lot then if they do this here and Twilight adapted so well to it. 

Then Equestria is similar to here in some manner, so talking with ponies shouldn't be nearly as much as a headache as he first imagined, but he still concluded he'd rather do away with the uncessary frivolties altogether.

"Oh..." Rarity's spunk drained right out of her, "no matter!" And a quick recovery, "Welcome to this side, Shadow Aura, a pleasure to have you," the three of them entered her home and were ushered to the immediate sitting area, just two loveseats across from each other with a tea set in between on a marble topped coffee table.

"So, what do you usually eat, Shadow Aura?" Rarity asked.

"I...don't quite know how to answer that. May I borrow your lawn, Rarity?"

"You...eat grass?" She was taken back, "I've...even Twi-. I'm being a rude host, I suppose there are some patches that could get a trim."

Pulsar Splash dug into his lab coat pocket and lifted his rune up, he began using it and Sunset placed her hand over it with a tint and started canceling his spell.

"W-what?" She muttered, "hey! I don't know this spell! What are you casting!" Knowledge of how a spell worked was crucial to cutting off someone's attempted cast through a focus.

That was advanced knowledge of itself, but this was beyond that, it was something only master mages could figure out quick enough to cancel.

"Sorry, this is something I developed far before we started relying on the earth ponies for food," Pulsar pointed out Rarity's front door and saplings began growing from the manicured lawn, mulch around them, it was still a perfect front yard, even with Pulsar's intervention.

And when the plants reached maturity, oranges, lemons, bananas, and more began growing, "I eat an incredibly sugar rich diet with a lot of vitamins. These plants contain all the dietary supplement one could need and will continue to live indefinitely."

Pulsar Splash teleported some of the fresh fruit inside and began devouring citrus after citrus, talking between bites, "oranges and lemons have always been my favorite and even became a source of light poking at me," the juices from the orange he was currently consuming dripped down to his chin before being cleaned free via magic, "Shadow Aura! All that fruit is the true reason why you're so bitter!" The mage spoke in a mocking voice.

"Wha...how did he?" Rarity was looking over the fruit and took a bite to meet the best tasting banana she ever met.

"I don't know! I'm still trying to figure out how he did it! No unicorn has ever been able of casting something this...this...ourageous!"

Pulsar Splash withdrew his rune from Sunset's hand and put it into his pcoket again, having peeled all the fruit and eating it still.

"I...I want to go see your research, your manor! I need to know what else you can do!" Sunset stared sternly at him.

"I...uh..."

"Sunset! You can't just invite yourself to a gentleman's house! You need to let him get to know you!" Rarity again made a romance joke aimed at the two of them.

"Rarity, I barely know anything of love and romance. I didn't do any of those things at any balls I went to."

"Sorry, dearie, those are mostly aimed at her. Just look at little Sunset," she gestured with her hand and all Pulsar Splash could see was a red faced Sunset hiding her face in her hands.

Pulsar...laughed, a chuckle escaped out of his lips. The feeling didn't even feel foreign, "oh...how I remember now," he kept a look on her, "Sunset, if you are as inquisitive as you say you are, you may visit my estate. Just be warned that if you ever try to visit on your own, my enchantments will prove very troublesome."

Sunset kept a red blush to her face, "really?"

"Yes."

She smirked, "then how did Twilight make it through?"

"That alicorn...she had been studying my spells since she was a filly. Right from the canterlot library. Of course she'd make it through, she read everything I published," Pulsar took a sour face, "well...not everything. There's some hidden things in the restricted section."

"Oh! Oh! You mean!" Rarity was very much feeling like the broccoli on a child's plate. Sunset had run to the kitchen and came back with a bottle of mustard and a napkin, beginning to draw something on it.

"Sunset, is that necess-."

"Hold on, Rarity! This could be the chance for a magical discovery of a lifetime!" Sunset finished and withdrew from the napkin that laid on the coffee table.

Pulsar paled at the illustration, "something like this, right?!"

"Su-Sunset...you didn't tell anypony about that, right?" Pulsar stuttered.

Sunset looked to him, concerned, but more curious than anything.

"That incantation circle is the mother of all dark magics ever created."

"What?!" Rarity shouted, "get rid of it!"

"It's harmless unless you know how to use it," Pulsar Splash clarified, "I only left it there as the symbol, no context, hidden in the archive machine and only accessible by a certain combination of inputs. It was only meant to be found by those who had the most awareness of their surroundings...so they would know it was meant to be a secret."

"You...made it? Shadow Aura, how?"

"It um...I made it using a bunch of different research. I'll never divulge that. It was the abse of the spell that I cat for my immortality."

And silence went over the room. Pulsar Splash was quick to levitate the napkin into the garbage.

Complete quiet.

"Yeah...I indirectly created dark magic."

Sunset Shimmer looked to him, "then...you made it possible."

"Made what possible?"

"My demonization and the corruption of the element of magic. I used that symbol as a base, too, it was drawn over on my back."

"Is it still there?" Pulsar Splash went to physically check before Sunset withdrew and shook her head, "good. That symbol would leave yourself suceptible to dark magics. Someone could easily charm you."

Pulsar looked directly at Rarity, "immortality has been one of the reasons I've secluded myself and it seems I was still able to do harm here."

"Darling, you've indirectly interferred here and you're doing so now. Look around. What of your interferring changed this place?"

Pulsar Splash was hit with the second existential question in one day. It was like his entire identity of the previous two thousand years came into question. He stood and made his way to the door.

"Wait! You can't jus-."

"I'll be here for the week," Sunset grabbed his arm regardless of his words and upon the first touch he teleported to the sidewalk and began walking down it.

"My house is just down the street from the school! It's an apartment! The landlady will let you in if you mention my name! I got an extra bed to crash on!"

"My window has a lava lamp in it!" She shouted louder to ensure he could hear him. The last thing Sunset wanted was for him to sleep outside.