A little Lucifer!Castiel because who doesn't love his sexy smirk and ways?!

Requested and for LaniCollins 😁😘 Hope you enjoy it!
(I changed the plot from your suggestion, I got some sudden inspiration...)

🎶Song for the Imagine🎶: 'Sucker For Pain' by Lil Wayne, Wiz Khalifa and Imagine Dragons

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You took a deep breath, you felt nervous. This was the first time you would actually see him after the whole 'say Yes' deal. The Winchesters thought you could break him, and make some sort of negotiation.

You're scared out of your wits.

More than being genuinely, horror-movie scared, your frightened of the fact that Castiel is going to be nothing like the one you know so well... the Castiel you love.

You have an intense relationship with Cas. Even though he doesn't need to, he sleeps with you every night. You guys get it going every now and then, with Dean constantly letting you know to, "QUIET THE HELL DOWN YOU ANIMALS! I don't want to here you guys... mating."

But most of all, Cas is always there for you. He's a sweetheart who cares for you so much.

That was a while ago, it's been quiet and lonely for the past month ever since he allowed Lucifer to use him as a vessel.

"Are you sure you'll be okay?" Sam asked you for the third time and you nodded slowly. Hell, you're freaking out inside but you have to do it. Maybe you'll get your Cas back.

Dean side-hugged you then gave you an Angel blade. You gripped it tightly in your hand then walked into the remote warehouse's main room, where Castiel was tied to stakes... At least his vessel was.

You placed the duffel bag you were carrying on the table and looked at him suspiciously.

His head hung low but then you started to hear humming. You stepped towards him with caution as he lifted his head, a smirk growing on his lips

"I want to break free from your lies, you're so self-satisfied, I don't need you," He sang the lyric of the song by Queen then licked his lips.

"Hi... sexy, what are you doing here?" He straightened himself as much as he could while being tied back to the thick wooden planks.

You swallowed hard, not wanting to lose the sense of authority that you had within yourself. You took a deep breath and opened up the duffel bag.

"What's your pretty little ass doing here in this..." He looked around and sighed, "Place?" You clenched your fists and shut your eyes for a moment, "Stop talking."

He chuckled, in a more evil way. "Why? Am I making you feel weak?" He licked his lips and scanned your body from bottom to top.

"No seriously, why are you here?" He repeated and while you were taking out a blade, you dropped handcuffs that were in the duffel bag.

You bent over to pick them up and Ca-Lucifer breathed in sharply.

"Oh sweetheart, don't do that. You're making Cas go all-"

He stopped abruptly, his head snapped to the side as if someone had punched him. You looked at him with confusion. Little did you know that Castiel, who was trapped inside, attacked him.

You walked towards him, arms crossed. "Bring those cuffs here, let's have fun," He commented and you punched him in the jaw.

He groaned in pain, you immediately regretted it. If you were hurting him then it means that you're hurting Cas too.

How the hell are you supposed to do it? You didn't want to hurt Castiel.

He laughed, it creeped you out. "Somebody's fiesty," He spat out blood and cleared his throat, "Such a turn on." You raised your arm to punch him again and he shut his eyes tightly, jerking away.

"Yeah... that's what I thought," You looked at him with disgust then turned around and walked towards the table on the side.

*****

You were close to ripping your fingernail from biting on it so hard. You didn't know what to do. Cas was definitely in there somewhere within the vessel... along with Lucifer.

It's a dilemma, with no solution in sight.

I have to hurt him. I have to torture him, there's no other way, You thought.

You turned back to Castiel. He was humming another song, one that you couldn't identify.

You held the Angel blade tightly in your hand and stood confidently in front of him. " Sexy's back, how are you doing?" He asks and you ignore his words.

"Tell me why you need Castiel as a vessel?" You questioned stifly and he rolled his eyes. "Not this, I'm tired of answering questions," He complained, "Why don't we just get out of here-"

You gave him a look that indicated your intention to stab the blade into his chest. "O-Or not," He said quickly, "We could stay here and you could just fu-"

You swiped the blade across his cheek and he cried in pain. "You didn't answer my question DAMN IT!" You exclaimed.

"W-Well if using him as a vessel let's me spend time with you then why not?" He answered cockily and you were on the peak of your tolerance level.

"Okay fine!" You stormed towards him and whipped out his tie from around his neck. You wrapped it around your neck like a scarf, you know how much Castiel loves his tie, then started ripping open his white dress shirt.

"You want to be teased huh? I'm pretty sure you could take a little pain," You said in a rush and he bit his lip, more out of anxiety of what you were going to do to him.

"ANSWER MY QUESTION ASSHOLE!" You shouted, "Why Castiel?!" He rolled his eyes, "I told you why. Just take that ans-"

You pressed the blade against his toned chest and swiped in down slowly with force. He yelled in pain as a deep incision was made down chest.

"P-Please stop i-it," He was breathing heavily. You were surprised by how weak he was acting.

It's fake, he's acting. It has to be, You thought.

You glared at him, holding his chin in your hands and clenching your jaw. "If you answer my questions, I'll let you go," You told and he raised an eyebrow, with a slight smirk appearing on his face for a split second.

For that expression alone you swirled the blade around and hit cheek with the handle, hard.

Something snapped in you. You were starting to enjoy the fact that you were hurting him. You liked seeing him in pain.

It should scare you... but you were least bothered.

You continued to ask him questions about Castiel, about his plans which was all paired with torture. You got to a point where there were no empty places on his chest remaining to cause him a good amount of pain.

Your heart turned stone-cold. You were unphased by his pleas for you to stop, his cries of agony. After all, you were using an Angel blade and it did cause a good amount of damage to him.

"Answer the question LUCIFER!" You yelled and he jerked back a bit. "I-I don't know! All I am aware of is that-"

His head fell suddenly, as if something had killed him. He clenched his fists and exclaimed in pain, eyes glowing a piercing blue.

You walked up to him and placed the blade across his neck, swiping it slowly till it was able to penetrate his skin.

"[y/n] please! It's me, it's C-Cas!. St-Stop!" He informed with distress but you ignored it. You got the hint that all he's trying to do is play you.

He continued to cry while you cut his neck, an annoying ear-deafening noise filled your hearing.

"PLEASE STOP! UGH-Pink roses!" He said in rush and you paused abruptly. You gulped, "W-What?"

"Pink roses, they're your favourite. I bought them for you a few days after we met," He explained while heaving for some air, "I put them all over the bed after you came back from a depressing hunt, it was the first time we slept together. You said it made the bed smell nice, that it made you and me smell nice too."

You looked straight into his eyes, listening to every single word he said.

"Ever since, you've loved pink roses because they relax you," He ended and you dropped the Angel blade from your grip.

"C-Cas?"

You were unsure. Lucifer could easily tap into his memories and use it against you.

But all of a sudden he had this... sympathy, a softness in his eyes which told you that it was your Castiel.

You kissed him roughly, wrapping your arms around his neck possessively. You were kissing him so roughly that it seemed as if you'd take his pants off there and then.

"H-How are... How are you-Where's Lucifer?" You placed your forehead against his, breathing heavily.

"I managed to free myself for the moment," He explained. Your expressions suddenly drained away, "I-I'm so sorry Cas. I hurt you and I-"

"Don't. It's working, he's getting weaker and it's helping me-"

He cried out in pain, his cuts were still bleeding. You headed to grab a cloth but he yelled, "No!"

"Just... C-Continue doing this, don't s-stop," He instructed,a small smile appearing on his lips, "But honestly, watching you is truly such a turn on."

You smiled a bit, looking to the ground. You walked up to him and wrapped your hands around his neck, hugging him tightly. You ran your hand through his hair at the back of his head. His head fell, resting on your shoulder.

"Just a little closer sweetheart and it'll be perfect," Castiel said, with a sudden gain of confidence.

It wasn't Cas anymore.

You pulled away, the arrogance in his eyes was showing once again. You clenched your fists and withdrawed yourself from his proximity.

"Now why did you do that? I mean no harm cupcake," He smiled smugly, "I'm tied up in a very kinky way and-"

You punched him in the nose, then stuck out the Angel blade to his neck. "Don't, DON'T talk to me like that Lucifer," You stated, "I'll make sure you never see the light of day ever again!"

"Oh really? And what about your Angel love Castiel?" He questioned and raised an eyebrow.

You paused then pulled the blade away from him, "I'm doing this for him, and it's going to save him."