Chapter 2
by fenharel
Your Monster
Tentacle Dungeon
Tags: Tentacle, Cumflation, All the way through, futa, breast expansion, body modification, lactation, nipple fuck
"We have seen your desires mortal! Your dark fantasies! We have deemed you worthy to accept our gifts! You need not say a word, mortal, and you will be made our champion to bring the treacherous light to heel. You will become a monstrosity without equal, to despoil their cities, **** their women, and defile their saints! All this and more shall be given!" A woman's voice bellows as you come to, seeing a pair of women before you. The one speaking is thin woman with pitch black hair and glowing blue eyes, her thin build contrasting with her more buxom, pale haired partner.
"Ayo, got 'im!" The busty woman said as a vein appears on the black haired woman's head. "Kek, you fell for Mel's lies, anon." She continues as the black haired woman, Mel, sighs.
"My name is Melanoche, not "Mel". Furthermore, ignore Carnachias. I spoke no lie." Melanoche said as Carnachias breaks into a bout of giggles.
"Oh, yeah, you're a super perv. That part was true. We saw your internet history. Tentacles? Futas? Cumflation? We saw it all." She said as you blush. "But the monstrosity without equal part? Super bull. He's gotta grind like a chink to get that good." She said as Melanoche sighs.
"The world of Ruyanei is a struggle of light and dark. The issue is that due to the machinations of the forces of Light, this balance is disrupted." Melanoche said as Carnachias joined in.
"So, light gods decided to make their hero their Super duper cool OC character whose got no flaws, is super OP, and incorruptible. We didn't do that with our demon king since we had standards for characters. Course, that's changing." Carnachias said while patting you on the head. "Congrats, you are our OC." She said while snapping her fingers. Instantly, 4 papers float up in front of your face, each of them glowing faintly with a long list of text on each page. "So, here's a list of monsters cores we got for you. Pretty self explanatory." She says as you stare at the papers. You try to talk, only to find no words escape your lips.
"Apologies. Your **** has denied you a voice. For whatever monster core you'd like, just blink twice." Melanoche sids as you frantically try to signal something to them. None of this stuff is in English! You blink repeatedly to signal the issue, only for Melanoche to sigh while Carnachias began laughing, misinterpreting the sign as you choosing a core.
"Of course. What else would a degenerate like you choose?" Melanoche muttered. While Melanoche was grumbling to herself about perversion, Carnachias reached into her pant pocket and withdrew a glowing red orb from its confines.
"Don't worry, I disabled your sense of pain, so don't be a faggot and close your eyes." She said, taking a knife out and ramming it into your chest. You try to scream from the shock as she shoves the red orb into you, the wound knitting itself as Melanoche conjures another set of papers.
"Now for size. Choose which one." She said as you sigh and blink at a random paper. She sighs yet again as Carnachias pats you on the head, your body feeling strange as you're imbued with even more power.
"I'm a HUGE size queen. I approve." Carnachias says as they send over 15 papers, each as illegible as ever. "Okay, now choose your family." She says as you look to a random paper and blink, giving up entirely on what was happening. Melanoche groans as Carnachias strolls over and kisses your cheek.
"A man after my own heart." Carnachias giggles while Melanoche rubbed her temples to relieve her headache.
"Maybe this one was too perverse." She mumbled as Carnachias conjured 3 more papers. Yet again, you choose, a random paper and two of the "add-ons" that they showed.
"Wow, when this is all over, we're going to have SO much fun." She said as they send yet more papers.
"This will be the monster powers we can bestow upon you. You can gain these within Ruyanei, but each one will be an arduous task." She warns as you choose a random one. For the first time, Carnachias was displeased as Melanoche gave a nod of approval. "Good choice. I was afraid you'd choose Broodsire." She said as Carnachias chuckled.
"Come on. With his body, it'll be a cakewalk to get it." She said as you feel your body start to shift and throb. You feel... Softer, like your bones are gone. You also feel a bit clammy, like you're drenched. What did they do to you? As you mull over your new form, Melanoche clears her throat.
"Now, choose your class." Melanoche says, ignoring your growing discomfort. "You can also gain a second class through different circumstances." She adds as you pick a random page. "Oh, sorcerer. At least you're not a complete moron. It will work well with your race" Melanoche says as you gain new knowledge of magical arts and alchemy. Sadly, even with your new found knowledge, you still can't read a single thing. They send over a final set of papers. "Now, this is our cheat for you. Pick wisely." She says as you blink. The two of them look puzzled, but shrug and conjure up another set of 14 papers.
"Weird pick, but, hey, your life." Carnachias says as you blink at a random page. As soon as you do so, she breaks out into a grin and grabs your shoulder, transferring even more power into your body. "Oh you pervert. I'm almost jealous of the girls you'll be breeding down there." She says cheerily as your already soft body becomes... Odder. You don't even feel your blood flowing as your body slowly turns green. What are they doing to you!?
"Anyhow, here's the info on the heroes we need you to breed." Melanoche says, grabbing your shoulder and transferring knowledge of the heroes of Ruyanei. You wince as you see the sheer strength of each heroine, terrifying you as Carnachias stares at your face. The weird feeling in your body only worsens as the two powers Carnachias put in you begin to mutate your body.
"You know, he needs an incentive to deal with these OP bitches" She says while grabbing Melanoche's shoulders. "Hey anon, if you turn those bitches into your personal breeding sows, I'll throw an extra one in free!" She says, pulling Melanoche's dress down to expose her breasts. Twin peaks interrupted by bright pink nipples appear before you as your entire body writhes in lust... Writhe? Why are you writhing?
"No you're not! I'm not getting bred by you!" Melanoche exclaims, embarrassed as she covered her lithe chest. Meanwhile, Carnachias was waving you goodbye.
"Go get them tiger!" She says, sending you away to your new home. As you feel your body shift, you hear another voice.
"Awawawa! I couldn't stop them! Why would you listen to those two? And a monster core? I can't return you home like this!" She says as you feel your tightly bound body loosen. In front of you is a thin woman with light blue hair and ponytails that run past her shoulders, blushing frantically while studying your body. You open your mouth to ask who this is, only to have nothing but silence come out. You then look down to your body and yelp in surprise, your legs and arms now replaced with strange green tentacles. The effects continue to spread as the woman covers her mouth in horror.
"And you chose those monster families?" She says while patting her diminutive chest. "I, Ariel, Lion of Heaven, Lord of Air swear that I will bring you back to the path of light." She declares as you tilt your head. You didn't choose anything, you couldn't read! Also, Lion of Heaven? Pretty manly title for a girl.
"I am not a girl!" She snaps as you blink in confusion. Can she read your mind? "No, I can't read your mind, but I know that look on your face. I'm a man! I LIKE GIRLS!" He exclaims while snapping his fingers, conjuring a set of familiar papers.
"Look, I can't remove your monster core, but I can replace it." He says, producing a knife from his pocket and jabbing your chest with it. "Just pick a core and I'll cut your old one out and replace it with a new one." He says cheerily as you look down, shutting your eyes. The first core was traumatic enough! You aren't going to let this weirdo cut you open to replace it!
"Come on. Choose one." He pleads before sighing and tossing his knife away. "Fine. If I can't replace your core, I can at least replace your family." He says as you keep your eyes shut. You've already been mutated twice. Increasing it more will only make things worse! Eventually, Ariel sighs and snaps his fingers, removing the papers.
"Alright, fine. I'll cut you a deal." He says with a weary voice. "If you swear a Divine Oath with me, I'll give you two Angel Blessings and a Divine Miracle per Oath. If you promise to respect religious lands and refuse to attack humans first, I'll help you. If you swear to eradicate the dark, I'll even tell the girls to not attack you." He offers as you look at him. Not attacking churches or people seems simple enough, but you weren't signing up to fight a war!
"Oh, sorry. I don't have papers for those. Just blink once for yes." He says as you approve to respecting sacred ground and loving humanity. He finishes by sending out one final wave of papers.
"Okay. These are Angel Blessings. You get 4. These down here are Divine Miracles. You get two." He says as you sigh, the papers still as illegible as ever. Blinking at them at random, Ariel frowns and pats your arm, imbuing you with his power. As he does so, you feel your body start to writhe and throb. At the same time, a new tentacle shoots from your arm, its tip identical to a mouth. It licks and bites at the air, but you soon gain some semblance of control over it.
"Alright. I'll send you in now. Please, try not to cause too much trouble with these blessings." He says as you begin to glow. You can feel it, you're being sent to another world. Using your new tentacle mouth, you shout to him with all your strength.
"You idiot! I can't read your language!" You exclaim with your tendril mouth, Ariel's face going pale as he sprints to you.
"What!? Why didn't you say so earlier!?" He says, patting your tentacle and transferring his language to you in an instant.
"I didn't have a mouth! I don't even know what I'm becoming!" You bellow as Ariel bit his lip and looked away from you.
"Oh. So you're not a pervert." He grumbled while looking at your shifting body. "Uh... Good luck I guess. Sorry..." He says as you finally realize just what choices you made earlier, his translation magic giving you instant comprehension of your new form.
Monster Core: Seedbed
Size: Huge
Family: Verdure/Erosarkic hybrid
Package: Complete package/Breeding add on/Mindbreak Add-on
Monster Power: Dungeon Master
Class: Sorcerer/Ranger
Cheat: Hybridization
Divine Oath: Respect Sacred Ground/Love Humanity
Angel Blessings: Humanity, Angelic Protection, Warmth, God's Eye
Divine Miracle: Pure Land/Enoch
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Monster Isekai
Lead the Dark, or turn to the Light
Reborn into a fantasy world... with a twist
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Updated on Jun 30, 2025
by TheLeherengin
Created on Oct 31, 2021
by Crazyjacky
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