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It's Merely Inter-Dimensional Travel, Linda

Summary:

What if the rift Team Free Will attempted to open in S13 E21 had worked, simply… not as planned? Suppose instead a very unexpected group had tumbled through?

Supernatural x Lucifer Crossover

For Supernatural, takes place in S13 E21, although for the sake of simplicity, Gabriel will not be present.
For Lucifer, somewhere in mid S3

Notes:

Hello, everyone!
This is my first ever fanfiction, and I'm very excited to share it with you. I anticipated (and soon confirmed) that crossover fanficion would be difficult to write when it came to adhering to the personalities of the characters. Hopefully, I succeeded on that front. I would absolutely love to hear your feedback.

I have an amazing beta I'll call G who doesn't have an account, but I'd still like to thank her. So, thanks!!

I plan on releasing a new chapter every day. I'm new to this website, so forgive me if I make some horrendous mistake (like rambling in the notes section. Sorry.)

I hope you enjoy!

Chapter 1: Come On, Say Hello!

Chapter Text

It was supposed to have worked. Despite Team Free Will’s doubts, Gabriel had assured them he’d provided a sufficient amount of grace to open the rift. The recovering archangel had confidently handed over the vial of grace and then disappeared to some corner of the bunker to “get some alone time.” The team had reluctantly agreed to allow him some time to recuperate; he needed it after all that had happened and, besides, they probably would be alright without him.

Well, Gabriel had been partially right. Rowena successfully opened a rift, and it held steady for a few moments as the group - Castiel, Rowena, Sam, and Dean - prepared themselves to cross into Apocalypse world.

Of course, knowing their luck, the group should have anticipated that things wouldn’t go as planned.

The portal began to weep and fade as the group gazed on with disappointment. Then suddenly, as though it were an afterthought, the rift sputtered, emitted a faint light, then ejected four humanoid figures who tumbled out onto the bunker floor. Team Free Will looked on with alarm between the unexpected arrivals and the rapidly closing portal from which they had come. The new group from the alternate dimension ungracefully clambered to their feet while Winchesters and CO. readied themselves for what they could only anticipate to be a brawl. With a final tiny pop the portal blinked out of existence.

Lucifer straightened his suit, grinning calmly back at Linda, Amenadiel, and Maze. His sneering demon partner already had her curved Hell-forged blades at the ready, eagerly searching for the most challenging combatant.

Linda stumbled in her heels, the last to remember how to stand. “What just-”

“Not to worry, Doctor,” Lucifer assured her, “It appears we’ve merely fallen through a portal into another dimension.”

“Ah.. right..” Linda nodded, looking a little green. Just when she thought being friends with the devil couldn’t get any weirder! “I’m just… I think I’m gonna...” she promptly found a nearby trashcan and relieved herself of lunch.

“You’ve gotta be kidding me,” Dean grumbled under his breath.

“Who are you?” Cas demanded.

Lucifer turned his attention to the glaring Winchester. “Ah, right, apologies.” He took a few steps forward and extended his hand to noone in particular. “Lucifer. Morningstar.”

Team Free Will widened their eyes in shock, all thinking the same thing:  Lucifer? Seriously? They couldn’t possibly have to deal with another Lucifer, right? Yet then again… he didn’t seem at all fazed by tumbling through a portal into another dimension.

Dean voiced their frustrations: “Son of a bitch!”

“Yes, well I suppose she was.”

A pause.

“She?” Sam asked reluctantly.

“Yes, my mother. She was rather infuriating.”

“Right…”

Lucifer continued introducing his group, pointing to each in turn. “Right, well, this is my human therapist, Linda; Amenadiel, my dear wingless brother; and of course Mazikeen, my right-hand demon. Come on, then, say hello, everyone!”

Linda gave a curt little nod and a shy smile, Amenediel remained motionless, and Mazikeen waved one of her blades, smirking gently.

Sam met Lucifer’s gaze. “So you’re…”

“Lucifer.”

“As in-”

“The Devil, Beelzebub, etcetera. You do have a Lucifer here, correct?”

“One too many, apparently,” Castiel murmured.

Sam swallowed a lump in his throat. Tension thickened in the air as the two parties analyzed each other, tension that Lucifer was apparently oblivious to. It seemed he was far too infatuated by the number of very, very attractive strangers in this room, and was having no trouble imagining all the sinful things he could show them. Eventually, though, the silence became too much even for him.

“Well, aren’t you going to introduce yourselves?” Lucifer insisted.

“It’s none of your damn business,” the eldest Winchester snarled.

Rowena scurried to Lucifer, immediately extending a hand. “ Rowena , my liege, humbly at your service.” She placed shameless and fictitious emphasis on every other word.

Lucifer took her hand and gave it a gentle kiss, looking her over with curious beady eyes. “Pleasure.”

“Rowena,” Castiel warned while giving her a glare that clearly conveyed Quit kissing ass, you self-serving witch.

“And who might you be, Trenchcoat?” Lucifer inquired, taking a few paces towards him.

“Castiel,” the trenchcoat in question responded.

“Castiel…” Lucifer narrowed his eyes. “Amenadiel, didn’t we have a brother by that name?”

“Yes.”

“Ah, so your an angel then, Castiel?”

Cas, instead of responding, narrowed his eyes.

“I so happen to be a witch, my lord!” Rowena chimed from across the room. “This world’s greatest .”

Lucifer’s grin widened. “Really?” This world was becoming more and more exciting by the second!

“Witch?” Murmured a small voice. The others collectively turned to Linda, who pinched her lips together, pushed her glasses up her nose, and began slinking to the floor. “I think I’ll just sit down now.”

“Um, is she alright?” Sam asked, ever the compassionate one.

“She’s fine,” Maze snapped. It wasn’t that she didn’t realize Linda was in over her head, it was- well, okay, maybe Maze was a little clueless to her friend’s situation. Though, in all fairness, she was still an amateur when it came to human emotions. The demon’s temperament was more to do with the fact that she wanted to protect Linda from appearing weak to these prospective enemies. Obviously .

“I could use a water, actually,” Linda pleaded. “You guys have water here, right?” Nobody appeared to hear her.

It was beginning to become apparent to Team Free Will that this odd group, despite companionship to the Devil himself, was not an immediate threat. Hell, they seemed as mis-matched and idiosyncratic as themselves.

“My name is Sam, this is my brother, Dean.”

“It’s a pleasure to make your acquaintance,” Lucifer greeted in his charismatic purr.

“Luci,” came Amenadiel’s deep and wary voice, “We really must be returning home.”

Lucifer sighed. “Calm down, Amenadiel, there’s no hurry. The police department can survive a short while without their priceless Civilian Consultant.”

Sam scoffed. “You? Helping the police?”

“Why yes, of course!”

“Right...” The younger Winchester shook his head in disbelief.

Amenadiel was apparently unsatisfied with that answer. “Who will be opening the portal for us to return home?” he demanded

Rowena gave him a slight smile. “That would be me, though I’m afraid it’s a wee more complicated than that. You’ll be stuck here a while longer.” It  was a bit of a lie, of course. After all, if this Lucifer really was who he said he was - the archangel from hell (literally) - then they had all the ingredients they needed to send the group back; they merely needed the archangel grace which he could provide. Yet, somehow, the group had communicated on a telepathic level that they needed to investigate the newcomers. It all seemed too coincidental that they’d opened a portal and celestial beings had tumbled through, particularly when one of those beings was yet another Lucifer .

In reality, however, Lucifer and his entourage had simply been chatting in a quiet and vacant Lux when the portal had opened right before them and all had fallen through it. Purely coincidental.

From the floor, Linda released a nervous chuckle, and Sam responded with a sympathetic look. “Come on, let’s get you that glass of water.” He helped Linda to her feet and led her into the kitchen.

Lucifer turned “Right, well looks like we have some time to kill, Dennis-”

“It’s Dean.”

“Right. Dean , I would love a tour of the place. We could start with, say... your bedroom?” Not his smoothest line, but he had just tumbled through a rift in the fabric of time and space itself, so he figured he deserved a pass this one time.

The oldest Winchester suddenly felt the need to clear his throat. “No way, man, I don’t swing that way.”

“Of course not.” Lucifer grinned, sweeping his eyes over the other man, and emitted a dark chuckle from the back of his throat. “They never think so at first.”

Cas furrowed his brows, looking between the two with his signature expression of confusion.

Maze suddenly appeared, shoving in front of Lucifer. She licked her lips, eyeing the Winchester like he was a juicy hunk of meat for her to devour. “Sucks for you, Lucifer-”

“Well, apparently it does not -”

“Looks like I get dibs.”

Dean looked from her twirling curved knives to her leather-clad everything, then finally to her hungry eyes and couldn’t withhold an ambivalent smirk. Usually he would be the first to suggest a one-night stand, and this chick would have been the perfect candidate, however, he was more reluctant than usual, given the circumstances.

Before he had the chance to respond (assuming he would have managed to think of an appropriate response in the first place), the demon had placed a hand on the Winchester’s chest and began shoving him backwards towards the hallway. All Dean could do was gawk and try not to trip over his own feet.

“Have fun, kids!” Lucifer called after them.

“Lucifer, darling, perhaps I could get you a drink?” Rowena asked, touching his shoulder gently.

The Devil gave her a charismatic smile. “How could I resist?”

The witch gestured for him to follow and the two filed out the room in search of the bunker’s best liquor, leaving the two awkward angels alone.