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Lilith now in Guinevere's body transformed into her succubus form. A pair of horns grew on her head and wings sprouted from her back. She woke Arthur from his slumber and motioned him to follow her to her bed. Guinevere spread her legs on the bed and looked invitingly at Arthur. "Come to me my slave, it's time to renew our master/slave bond." Even though Lilith looked different, Arthur instinctively knew she was her, her scent was unmistakable. One lick of her pussy was all it took to put any doubts to rest as he continued to eat her out. Guinevere easily fucked Arthur into submission and once again turn him into her slave.

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With the flick of her wrist Guinevere's dress disintegrated, exposing not only her flesh but how she really felt as trails of her love juice were clearly visible on her thighs. "You love what I did to your husband don't you?" Lilith went behind Guinevere and started caressing her as she tried to hide her feelings. "My my, but your body have betrayed you." Lilith took a sample of Guinevere's wetness with her finger and tasted it. "Deep down inside, you've always wanted to dominate men don't you?" As Lilith projected her memories of how she seduced and enslaved countless men into Guinevere, her pussy became soaking wet and her love juice flowed freely. Guinevere's succubus instincts were slowly awaken by Lilith. "You wanted those power don't you?" Guinevere nodded as her arousal and desire slowly consumed her mind. "All you have to do is give in to your desire." With every stroke on her pussy, Guinevere was one step closer to her surrender. When she was ready, Lilith whispered into her ear "Give in completely! Let yourself go!" While Guinevere spasmed from her orgasm Lilith took over her body and merged with her. Guinevere's body started to transform, Her facial feature started to change, her hair grew longer while her breast expanded and became rounder and bigger. At the end of the transformation she looked like Lilith but still retained enough of Guinevere's facial feature to be recognized as her.

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Lilith enjoyed the look of despair on Guinevere's face as her cunt wring every last drop of cum from Arthur's cock. "Sleep my slave, your part is done." Lilith whispered into Arthur's ear putting him to sleep. She unmounted Arthur and walked over to Guinevere.

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Arthur slit Guinevere's wrist and collected her blood with the chalice. She was only drained enough to weaken her but not kill her because Lilith needed her alive to complete the ritual. As usual, consuming the blood made Arthur strong as he obediently lay on the floor with his throbbing cock waiting for Lilith to mount him. Lilith stood up from her throne and proceed to inspect her slave, pleased with what she saw, she then caressed Arthur's cock with her foot making him moan. Making sure Guinevere had a clear view, Lilith then slowly impaled herself onto Arthur's cock, both moaning as Lilith looked at Guinevere from the corner of her eyes. Guinevere's blood was special, she was conceived in this very same chamber 25 years ago for the sole purpose of becoming Lilith's host body. Guinevere's mother was impregnated with Lilith's demonic essence, in other words Guinevere was a demon spawn. It was why she(a beauty in her own right) and Lilith looked similar and also why she fantasizes about dominating men. Deep down inside Guinevere's succubus instincts craved to dominate men but that was not a social norm and thus those instincts were suppressed. By taking Guinevere's essence, Lilith will be able to merge with her and take over her body but the true purpose of this ritual was to break the bond between Arthur and Guinevere, so that a new one can be forged after Lilith took over her body. That was why Lilith wanted Guinevere to watch her made love with her husband. Lilith wanted to break Guinevere's heart. Guinevere saw the kind of ecstasy on her husband's face she had never seen before as Lilith sucked Guinevere's essence out with her cunt. Lilith gyrated her body and gently rocked her hips while the insides of her cunt did most of the work on Arthur's cock. "I want you to tell me how much you love me in front of your wife." "I love you so much, I'd do anything for you, anything you want is yours, my body and soul belongs to you, I want to worship and serve you for the rest of my life." With every proclamation Arthur made, Lilith sped up the contractions in her cunt. "Who is your wife to you?" Lilith asked knowing the answer but she wanted Guinevere to hear it herself. "She's nothing. I no longer have any feelings for her. All that mattered is you." With those last words the bond between Guinevere and Arthur was broken. Lilith laughed wickedly as she commanded Arthur to spill his seed inside her. They then made out in front of her. Guinevere fell into despair knowing that she'd lost, she realized she didn't stand a chance against a demon in the first place. Embracing Arthur possessively, Lilith gave Guinevere a wicked smile telling her that "Your husband belongs to me now."

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Arthur was greedily lapping up Lilith's sweet succubus venom as fast as it was leaking out. Watching them made Guinevere angry, hurt, jealous and aroused at the same time. She'd always fantasized about playing the dominant role in a sexual relationship but Arthur would never go down on her or let her play the dominant role. Guinevere couldn't help getting turned on watching her husband behaving so subservient towards another woman albeit not a human and eating her out. Lilith played with the sacrificial knife while enjoying Arthur's service, she pulled his face closer against her pussy with her foot while rocking her hips and grinding her clitoris against his tongue. "That's it! That's the spot. ahh..." Lilith moaned as she looked at Guinevere from the corner of her eyes, enjoying the painful expression on her face. When Lilith's happy that Guinevere had seen enough she pushed Arthur away with her leg. "You know what to do next, don't you?" Lilith handed the knife to Arthur in front of Guinevere. "Yes... master..." Arthur picked up the sacrificial chalice as he approached Guinevere with the knife. "No you can't do this! Arthur! Please don't. You have to wake up!" Guinevere pleaded but Arthur's glazed over eyes told her it was useless, the demoness's grip over her husband's mind was too strong.

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While having dinner with Guinevere and Morgan, Arthur put them to sleep by spiking their drinks with sleeping drug and brought both of them to the forbidden chamber at the monastery on Avalon. Guinevere woke up to find Arthur kneeling naked in a summoning circle on the floor while chanting in an unfamiliar language. "Arthur?! What are you doing?! What's going on?!" Guinevere found herself chained next to a throne. She struggled to free herself but it was no use. Arthur's chanting continued until she heard him calling out Lilith's name and the summoning circle glowed extremely bright for a moment. Lilith emerged out of thin air from the darkness as the glow lit up her sinful body. The first emotion that came to Guinevere upon seeing Lilith wasn't surprise but envy, she'd never seen anything this sexually arousing before. As Lilith sauntered towards the throne Guinevere realized she wasn't human. All of this was too much for Guinevere to take in. "Who are you? What the hell is going on?!" "I'm Lilith and your husband belongs to me now." Lilith turned around and sat on her throne. "This can't be real! Arthur! Please tell me this bitch is crazy!" Guinevere pleaded with Arthur but she could see the worship and lust for the seductress in the eyes of her husband. "Lilith's right, she is my master now and I'm her slave." Arthur proclaimed as if it's the most natural thing to say. "No, you must be under some kind of magic spell." Guinevere reasoned if there's such thing as demons in this world, magic must also exist. "I didn't need to use any magic on your husband, he's just very addicted to my body, that's all. While you were away, I've used sex to mind fuck your husband every night and made him submit to me. Sex with a succubus can be very addictive, it can completely change a person and Tonight he will prove his loyalty to me by sacrificing you for me." Lilith turned her attention to Arthur, her eyes glowed as she beckoned for him. "Come to me my slave, time to begin the final ritual." Their ritual always start with Arthur eating Lilith out. She parted her legs as Arthur crawled towards her nether region.

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One prisoner after another was culled to satisfy his lust for his new master, every night Lilith would drug him with her succubus venom by making him eat her out before mounting him and using him as her fodder. The human sacrifice made Lilith stronger while Arthur's addiction to her grew deeper. The more he spilled his seed inside the demonic seductress the more corrupted he became. By the time he ran out of prisoners to sacrifice, he had no qualms using innocent people. He'd make up excuses to cover up their disappearances after he secretly abducted and sacrificed them for his mistress. His sense of righteousness no longer mattered, all that mattered was giving what his demonic mistress wanted. The king was no longer the same person he used to be.

It was the night before Guinevere would come home. While Lilith was ridding Arthur's cock she was teasing him more than usual. "Will do anything for me?" Lilith asked while Arthur's cock was being milked by the undulating waves of contractions inside her cunt. "aahh... Yes... mistress..." "sacrifice anyone?" "anyone..." "even your dear wife?" Arthur hesitated but the moment Lilith stopped teasing his cock inside her demonic cunt he caved. "Yes! Yes! even my wife!" Arthur pleaded, pleased with his immediate change of heart Lilith continued manipulating his cock. "Tell me what you'll do for me." Lilith wanted his confirmation. "I'll sacrifice my wife for you!" This time Arthur proclaimed without hesitation. "Tell me again!" Lilith sped up the milking of his cock inside her. "I'll kill my wife for you, mistress!" Arthur dispelled any remaining doubt Lilith had. They were both grunting heavily by then. Lilith was nearing her own orgasm as she started rocking her hips causing Arthur's cock to once again move in and out of her a couple of times before plunging it completely inside her. "CUM!" Lilith commanded. One word was all it took to make Arthur explode and surrender everything to her. Every spurt inside the demoness changed Arthur in subtle but irreversible ways, Lilith laughed wickedly as she milked him not just of his power but his humanity as well, "soon you'll think more like a demon than a human." After Arthur regained his composure from the mind and body wrecking orgasm they locked their lips together while his cock continued to pulse still buried deep inside Lilith's prison of pleasure.

"You know what you have to do for the final ritual tomorrow, don't you?" Lilith asked as she unmounted Arthur's cock. "Yes, master." "After the final ritual is done, you'll be able to enjoy me anytime anywhere, there'll be no more need for sacrificial rituals." Arthur's cock hardened just at the thought of having Lilith again before he noticed she was gone.