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bethanythebogwitch · 16 hours

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Wet Beast Wednesday: cave fish

Prepare for a deep dive today. Not because I'm going to be more in-depth than usual, but because we're talking about caves. Which are deep. In the ground.... Yeah, you get it. Today is going to be a bit different from my normal WBW posts. Instead of going in depth on a particular species or group of related species I'm going to discuss common adaptations fish evolve to live permanently in caves and then go over a few species I find interesting. Let's get spelunking.

(Image: Typhleotris madagascariensis, a typical cave fish. It is a small fish with an entirely white body and smooth skin where the eyes would be on a normal fish. It is resting on rocky sediment. End ID)

Caves are not an easy place to live. There's no light, limited food, often low oxygen levels, and the threat of collapse or rockfall. Cave-swelling animals (collectively called troglofauna) need a number of special adaptations to survive and there is little room for error. Troglofauna that are strictly aquatic are called stygofauna. Troglofauna and stygofauna can be divided into three groups based on their life history. Troglophiles and stygophiles complete part of their life cycle in caves and part outside of them. A classic example of this is the many species of bat who seasonally inhabit caves to give birth and mate. Trogloxenes and stygoxenes are animals who will visit caves, but do not require time in caves to complete their life cycle. An example trogloxene would be a bear who takes shelter in a cave during winter. Finally, troglobites and stygobites live their entire lives in caves and never leave. The fish I discuss today are stygobites. Because troglobites and stygobites generally will die outside of their caves, they have very little opportunity to disperse. As such, many cave fish species are found only in a single cave or cave system and are entirely dependent on the health of their homes to survive.

(Image: two cave catfish sitting next to each other on a rock. They are white with elongated anal and rear dorsal fins, and no eyes. End ID)

Many cave-dwelling animals develop a set of common adaptations called troglomorphism. Cave water is often high in minerals but low in oxygen and food content. To survive, the fauna develop very slow metabolisms, allowing them to last a long time on limited resources while slowing down movement and other active systems and increasing age. These species are also typically smaller than their epigean (above-ground) relatives, further reducing their energy requirements. Slowed metabolism results in comparatively slow development. Cave species take much longer to mature and reproduce then related epigean species. Many species further decrease their energy consumption by moving as little as possible. Many species of cave fish are able to last long periods of time between meals without negative impacts to their health. They will binge eat whatever they can find and then subsist on fat stores while food is scarce. One test in captivity showed that a Phreatobius cisternarum (cave catfish) could go a while year between meals and stay healthy. Cave species are usually opportunistic generalists as they can't afford to pass up resources. Much of their food will originate outside of the cave, either directly or indirectly. Water flow into caves brings in algae, bacteria, plankton, and other food sources. Other more indirect methods of introducing include bat feces. While the fish may not eat the feces directly, other species may do so and potentially become prey to the cave fish. The feces also introduces nutrients from outside the cave that encourages the growth of other food sources like bacteria, fungi, and planktonic animals.

(Image: Amblyopsis hoosieri, the hoosier cave fish. It is a very simplistic fish with no eyes or scales. End ID)

Life in a cave comes with a different sensory requirement. The complete lack of light makes vision useless. You don't know dark until you've seen cave dark. Fun fact: caves are so dark that sighted people can start hallucinating in them because our brains aren't evolved to handle zero visual stimulus and will start making stuff up to fill that gap. As a result of the utter darkness, many species of cave fish are blind. They either evolve to completely lose their eyes or have the eyes considerably reduced in size and function. Eyes take up a lot of energy to maintain and in caves, there is a lot of selective pressure to get rid of organs that aren't useful there. Despite the blindness, many species retain some form of photosensitivity and will flee from light. Cave species also often lack skin pigmentation. Skin pigment has two primary uses. It protects the skin from ultraviolet light in sunlight, and provides skin coloration that can be used for camouflage, displays, warnings, and so on. In an environment where there is no ultraviolet light and everyone is blind, skin pigment serves no real purpose and is lost. As a result, most cave species are white or translucent. The lack of pigment may be a reason so many species remain photosensitive. Without pigment, they would be highly susceptible to sunburn or skin cancer from ultraviolet light. Caves also have a sound dampening effect that makes hearing less valuable. Reduced eyes and pigmentation is also seen in deep sea fish that live too deep for light to reach. Even those species still use visual curs more than cave fish due to the abundance of bioluminescence in the deep ocean.

(Image: Sinocyclocheilus longicornus, a recently discovered species. It is a fish with translucent skin, revealing the skeleton. It has a long shout with two pairs of barbels. Emerging from the upper back is a horn-like protrusion. End ID)

With vision off the table, cave fish rely on other senses. chemoreception through taste and smell are strongly selected for as traits that can direct cave animals toward food or away from threats. Another sensory system fish have is the lateral line. The Lateral line is an organ system found on each side of a fish where modified skin cells called hair cells detect motion in the water. The lateral line allows fish to sense movement in the water around them, informing them of water flow and the movement of food and threats. Cave fish typically have a well-developed lateral line system that compensates for the lack of vision. Many fish perform displays for various reasons, such as attracting mates. These displays are typically visual, but in cave fish, that isn't an option. Instead, their displays are more focused on moving the water in ways that can be detected by lateral lines. Some species of cave fish maintain additional sensory abilities from their epigean ancestors. An example of this are cave catfish, who retain the barbels and electroreception common to their kind.

(Image: six Phreatichthys andruzzii. They are long, eyeless, white fish. The blood-filled gills are visible through its translucent skin, seen as a large red patch on the head. End ID)

Before moving on to specific species, it should be noted that cave fish is not a taxonomic category. Cave fish come from many different lines of descent and independently evolved similar adaptations to cave conditions. These similar adaptations are seen in most cave fauna, not just fish, and are collectively called troglomorphism. There are about 300 species of cavefish known to science.

Ophisternon candidum, or the blind cave eel, lives in north Australian caves that are connected to the ocean. Because these caves intake salt water, the pools and streams within them can become very salty, resulting in the eels developing a tolerance to a high range of salinity. They are rare, having been spotted under 40 times since 1959, and thus little is known of their lifestyle. We do know they burrow into sediment and secrete mucus to keep those burrows stable. Males seem to build burrows to woo females. They have been bred in captivity for use un laboratories. At up to 40 cm long, they are huge for cave fish and used to hold the record for the largest species known until another species was found that's even bigger.

(Image: an eel with translucent, pink skin, no eyes, and ribs visible through the skin. It looks somewhat like an earthworm. End ID)

The actual largest known cave fish is Neolissochilus pnar, which gets up to 40 cm while being more massive than the eel. They are found in a single cave system 100 meters underground in India. The primary food source in the cave appears to be debris from the nearby forest that is washed into the cave during seasonal flooding. The fish may have been known to locals well before it was scientifically described, as there are stories of white cave fish going back over a century in the region.

(Image: a small fish with no eyes, white skin, and a long snout with barbels on it)

The Alabama cave fish (Speoplatyrhinus poulsoni) may be the rarest species of freshwater fish in the world. They live exclusively in key cave, Alabama, USA and no more than 10 have ever been seen at a time. The population is estimated to be under 100, below the generally accepted minimum viable population for a species of 200. Fittingly enough, this means a species only found in Alabama may be severely inbred. They are believed to be triggered to mate by seasonal flooding and may be mouth brooders. Climate change-caused changes to flooding and toxins leaking into the groundwater from sewers are currently threatening them with extinction.

(Image: a long, white, eyeless fish with an elongated snout. Its skeleton is visible through its skin. End ID)

Typhliasina pearsei, the Mexican blind brotula or dama blanca ciega (blind white lady), lives in the cenotes of the Yucatán peninsula. Cenotes are sinkholes filled with groundwater and the ones in the Yucatán are often connected by underground caves, rivers, and aquifers. The fish are apex predators who eat shrimp and mysids and are known to coexist with other cave fish in part of their range. As with other brotulas, they are a rare example of a bony fish that gives live birth. Because of how interconnected and numerous the cenotes are, this species has one of the largest distributions of all cave fish.

(Image: an eyeless white fish with a long tail and elongated rear dorsal and anal fins. It is next to an orange rock. End ID)

Cryptotora thamicola, the cave angel fish or waterfall climbing cave fish, is the adrenaline junkie of the cave fish world. Most cave fish live in slow-moving or still water, but this daredevil lives in rapids. But just living in rapids isn't extreme enough, these guys climb waterfalls. Their large fins with hooked fin rays let them cling onto the rocks while facing into the current. They then allow food to flow right into their mouths. Unlike other walking fish, the waterfall climbers have a well-developed pelvic girdle and walk in a style very similar to tetrapods, with front and back fins alternating strides. This has made them very interesting to evolutionary biologists studying the transition from fish to tetrapods.

(Image: a typical cave fish with very large pectoral and pelvic fins. End ID)

The Mexican tetra (Astyanax mexicanus) is an example of a handful of fish species that have a cave form and a non-cave form. Most Mexican tetras are perfectly ordinary tetras, but one population has adapted to cave living and has developed trogomorphic traits. The cave from lack pigment, has tastebuds on its head, lacks eyes, and can store more body fat. While you would expect such radical physiological differences to mean the two populations are different species, they aren't. The two populations are fully capable of producing fertile offspring and do so in the wild. If you've ever seen a cave fish in person, there's a good chance it was one of these as the cave form has entered the pet trade and they do very well in captivity, making them the most studied cave fish.

(Image: the non-cave and cave forms of the Mexican tetra seen next to each other for comparison. The non-cave form is a fairly typical silvery-green fish. The cave form is slightly more robust, white, and eyeless. End ID)

Because most cave fish are found only in a singe cave or cave system, they are fully dependent on the health of that cave. Caves tend to be very stable environments, which results in the inhabitants being pretty bad at adapting to change. Changes in water flow, introduction of new species, and pollutants can seriously harm or wipe out whole species. Many species of cave fish are rated as endangered or critically endangered based on their low populations and vulnerability to change.

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tcfactory · 6 months

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Please imagine:

[5k words of an outline for a big Bingge centric AU, mentioned QiJiu and MoShang and potentially one-sided BingQiJiu. Time travel, fix-it(?)

Warning for canon typical child abuse and torture, mention of sexual abuse, minor mention of cannibalism, Bingge is his own warning let’s be real]

Binghe goes insane from Xin Mo and abandons his humanity completely, then devolves further into a rabid beast until Mobei and the Wives all work together to put him down. Xin Mo is so entangled in him that it can’t exist past its host anymore, so it unleashes all that it has left to prevent Binghe’s death.

That’s when the reset happens.

It’s like coming back from the brink, when your head breaks the water and the dark recedes from the edge of your vision as air fills your lungs. Sanity is a cold thing when surfacing from the depths of madness, but it keeps the warm animal-hunger of bloodlust and beastly instinct on the edges of his consciousness and that’s fine.

He’s a child again when he regains conscious thought, standing in front of the tea set, about to make that first cup of tea for his future Shizun, and he can’t afford to be a beast right now. There’s a part of him that feels different, the parts that Xin Mo devoured alongside his sanity have now been returned to him, soft and squishy and human. It’s strange, coming back to humanity after so long - how long? Decades? Centuries? Time has lost all meaning to a beast that could hunt and breed whenever it pleased.

Binghe doesn’t remember how to make tea. He’s not certain he ever knew at this age, but the beast in him recoils at the memory of scalding tea dumped on his head. He looks around, as subtle as he can, to find something that might help him avoid that. Shen Qingqiu is talking to Ming Fan, rattling off the necessities they need to provide the first new disciple since Ming Fan became head disciple, but Binghe can feel the man’s attention on him. Shen Qingqiu has noticed his hesitation and he’s waiting to see what Binghe is going to do next. There’s no help to be had there.

Ning Yingying lurks around, too curious of the new shidi to stay away, and Shizun indulges her as long as she stays close enough that he can track her. She would know how to make tea. She has always been one of his smartest wives - she made the array that pinned him down and stripped him of fang and claw and poison so Mobei Jun could shove portals under his skin, drain him of his healing blood and finally unmake him.

It was an agonizing way to die. He deserved all of it and more.

When it seems like an opportune moment he quietly asks Yingying shijie how to make tea fit for their Shizun. She pretends to tie his hair for him - shidi can barely see through this fluff, this won’t do, here’s how you tie it properly - and tells him the instructions in a whisper so quiet even he can barely hear it.

Shen Qingqiu notices, of course he does, but he pretends that he doesn’t. The tea is not great, but it’s palatable and Shen Qingqiu drinks all of it while he runs Binghe through the rules of the peak and the expectations placed on a scholarly disciple of Qing Jing. It’s such a jarring difference from the first time when he got sent away right after the tea incident that he can’t help but drift in his chaotically spinning thoughts instead of listening. This is not the kind Shizun, he thinks. So why did the tea make such a big difference? (Years later Yue Qingyuan happily tells him how he blackmailed one of the rich boys into showing him how to make tea for his own peak’s tea ceremony because he didn’t trust the adults enough to ask and couldn’t afford to seem lesser than those of higher birth and Binghe finally Gets It.)

His thoughts are interrupted when Ming Fan arrives and shoves the ‘new disciple care package’ in his arms. Binghe is still not used to being tiny again, so he tries to hold all of it like he would as an adult and can’t, dropping his manual and the writing kit in the process. Yingying immediately hops to pick it all up, scolding their shixiong for bullying the new shidi while Shen Qingqiu watches with a cold mask of indifference.

The manual has fallen open and it gives her pause when she picks it up. “Shizun, I don’t think this manual is right.” Shen Qingqiu says nothing, but he takes it from her and glances at the pages.

Binghe is certain that he’s the only one who notices how Shizun’s hold on the book tightens in anger until his fingers turn white. “It’s an older manual,” he says, neither voice nor expression giving away the rage he must feel to grip the book so tight. Luo Binghe knows even his smallest tells and the man is seething. “Go to the library pavilion and pick up the proper edition for your shidi. Dismissed!”

It’s a few days later when Binghe is trying to find a good spot in the library to practice his calligraphy - he knows how to write, in theory, but he forgot so many of these mundane little rituals in his madness that he needs to refresh the memory - when he walks into the range of a silencing array. It’s obviously a fluke that it extends into the corridor, but if Binghe puts his ear to the wall he can clearly hear Shen Qingqiu rage at his hallmasters and the head of the library pavilion because of the manual. The fake, harmful cultivation manual, one of many that have ruined and killed lonely disciples before, the ones who didn’t have friends or other support to notice that something was wrong.

Manuals Shen Qingqiu has ordered removed and destroyed when he became peak lord. Orders that the hallmasters ignored. Does Peak Lord Shen think they have the time to waste on something like this when the peak is already short staffed? There are more important parts of the collection to maintain than the beginner manuals - the only ones who would ever fall prey to the false manuals anyway are the charity cases, and they are not the ones who fund the scholarly peak. Really, this wouldn’t even be an issue at all if Shen Qingqiu didn’t let Liu Qingge goad him into taking on a dirty beggar child. Don’t they all know that things crawling in the dirt are never worth the trouble? Once filth, always filth.

Luo Binghe is almost bowled over when Shen Qingqiu storms out of the meeting, blind to his environment. The man’s qi roils, razor sharp like shattered glass, his anger driving him to the cusp of a qi deviation. Binghe has a hunch that whatever this is about, it’s not about him. Shizun would not be so angry on his behalf.

He could never figure out why the man mistreated him, could never break Shen Qingqiu open enough to get the answer he needed. This feels like an opportunity, a chance to unravel this puzzle, and it tickles his instincts to have something to chase, to press his nose to the trail and hunt.

So he starts to sniff around. People overlook children so easily, it’s almost effortless how he finds piece after piece. He learns that the people on the peak - the cultivators from his generation in particular, the pavilion overseers and the hallmasters - don’t respect Shen Qingqiu and often undermine his authority when he’s not there to personally force them to adhere to his standards. There’s an especially tense period every time after the Peak Lord leaves for the city - for the brothel, they say, to drown in his lust or to use some hapless girl as a cauldron and bolster his own mediocre cultivation - when they seem especially bold, holding his indulgence over his head like a finely balanced sword.

He learns from Yingying that he’s the first disciple to get into the peak through the selection for the last decade. All the other disciples are young masters and scholarly prodigies who come recommended by their mentors. They don’t need their Shizun’s encouragement to try and bully Binghe, even when he’s not rolling over like he did in his first life. He fights back, tooth and nail, a rabid little thing that leaves scratches and bruises on anyone who would provoke him and he doesn’t have to worry about sleeping in the woodshed because more often than not the dormitory overseers isolate him from the others as a form of punishment.

Shen Qingqiu doesn’t interfere. He looks with the same disdain at both perpetrators and victim, bruised black and blue, and forbids them from leaving the peak until they are presentable again. It’s not until a particularly bad fight when Binghe takes a bite out of one of them, digging his teeth into a soft cheek and swallowing both the bloody chunk and the screams of terror with dark satisfaction, that Shizun’s hand is forced. Binghe is thrown into solitary confinement until the boy’s parents can come and demand fitting punishment for permanently disfiguring the rich brat. Binghe is grateful for these few days of isolation. He needs them to shackle the instincts screaming for blood, to calm his demon side that’s straining against his seals. It wasn’t like this the first time, but he came back as a beast in a boy’s skin so it’s not surprising.

He puts on the face of a lamb when they lead him outside, to the cold morning light and then to the punishment hall. The boy’s parents - a high-ranking official in the mortal Emperor’s court and his lady wife - look at him like he’s less than dirt, but there’s a glint of cruel satisfaction in their eyes when the stone faced Shen Qingqiu announces his punishment: by their demand, Binghe is to receive ten lashes with the discipline whip, or fewer if he passes out.

The Sect Leader came to oversee the punishment and the horror on his gentle face is obvious to all. The disciple whip is a cruel thing, one that can cripple even advanced cultivators, and will set Binghe’s cultivation back by years if it doesn’t ruin it altogether. The Sect Leader gives Shen Qingqiu a pleading look and Binghe lifts his head to tell him not to bother - when could Yue Qingyuan ever influence Shen Qingqiu for the better? - so he catches the Sect Leader’s expression when Shen Qingqiu flicks the case open and takes out the whip. Just for a moment, his expression flickers into surprise, then relief, before it turns into a blank mask. Binghe has no time to ponder what the hell that is about, because Shen Qingqiu swings the whip with the ease and confidence of practice and the line of fire down his back startles a scream out of him. He lived a whole life as a warlord and demon, but this body is that of a human child, unaccustomed to this sort of pain.

The world fades to black after two more strikes.

When he comes to, he is laying in a soft bed. The bedding smells clean, but oddly stale - like a guest bed they only air out every other day, but never use. He turns his head and the bamboo house comes into focus. It’s Shizun’s room and Shizun’s bed, but that makes no sense - where does the man sleep if not in his own bed? His cultivation isn’t good enough to forgo sleep altogether. There’s something here, a corner piece to this puzzle Binghe is struggling to fit into the big picture. Is this why Shizun keeps going to the brothels? Can he only find rest in the embrace of women? Binghe, formerly a very active master of a harem with hundreds of wives and concubines, can’t judge him for that. He already dismissed the rumors about Shizun abusing a cultivation cauldron; dual cultivation is one of the few methods to mend ruined meridians and Binghe still remembers how wrecked Shen Qingqiu’s cultivation was when he caught him.

There is yelling from the main room, Mu shishu’s incensed voice and the low rumble of the Sect Leader as he tries to calm him. Eventually a blank faced Shizun leads both of them inside and Mu shishu ignores all etiquette to rush to the bed and take stock of Binghe’s injuries.

“These… these are not the marks of a discipline whip,” he says, confused and relieved.

“Of course not,” Shen Qingqiu scoffs. “I don’t keep one of those wretched things around on my peak. As if those fools could tell the difference between a discipline whip and a regular slaver’s whip. All they wanted was to hear the little beast scream.”

The Sect Leader hurriedly reassures Mu shishu that the whip strikes are painful, but with the right treatment they won’t even scar.

“Zhangmen-shixiong, are you saying that from experience?” Mu Qingfang asks, massaging his temples and startles a little when Shen Qingqiu and Yue Qingyuan say “Yes!” in perfect unison. Another corner piece for the puzzle.

After his injuries are treated and Yue Qingyuan shepherds the healer outside, Binghe is left alone with Shen Qingqiu.

“What am I to do with you, little beast? If you don’t learn to rein yourself in, I will kick you off my peak before you can drag our reputation down.”

“He deserved it. They started it.”

“And? This is not Bai Zhan. You are in no position to make such a ruckus about things. Your stunt lost Qing Jing almost a tenth of our yearly funding. My own shizun would have beaten me to death if I pulled something so idiotic.”

“Then why didn’t you?” He’s starting to understand Shen Qingqiu, the wretched little slave, who clawed his way up to become Peak Lord despite his ruined cultivation and digs his teeth into what’s his so nobody can take it away, but he still wants to hear it from the man himself. “Do I remind you of yourself, Shizun?”

“Little beast, you are asking for a beating.” Shen Qingqiu forgot his fan, or else he’d be hiding behind it, as always. Binghe’s Shizun has such a terribly thin face. “You have potential and drive to make something of yourself. I want to see how far it will take you. If you learn how to hide your claws better.”

Oh, Binghe knows exactly how far he can go. But he humors his Shizun and does a demonstration of his White Lotus routine. Shizun fetches a fan just so he can smack him over the head, but says that it’s an adequate act, for now. However, if Binghe can’t fool the peak into believing that he mellowed out from the punishment, then he shouldn’t expect help from his master!

They settle into an understanding over the next few years. They are not of a kind, but they are both beasts after a fashion and now that he finally peered under Shen Qingqiu’s unbreakable armor, he doesn’t resent the man as much. Is he himself not a violent, monstrous thing once you peel off his pleasant facade? What filled the human child with fear and resentment entices the adult demon that now lives in his skin. Besides, Shizun hasn’t hurt him in this life. Shen Qingqiu usually lets him be, only interacting with him as much as any other discipline, but sometimes under the guise of chores he takes remedial lessons to perfect his act. The years he let go of his humanity took their toll and he needs the guidance to set some of the details right.

“I think I might be part demon,” Luo Binghe says one day, sipping tea in the bamboo house. For two hours straight Shizun poked and prodded at his insecurities, reaching for a level of unpleasantness he doesn’t often aim at him and Binghe kept his mask of a perfect, demure youth all throughout. At the end of it Shizun poured him a cup of tea and reluctantly praised his acting. It’s a thorny thing, Shizun’s praise, but it has set a warmth in Binghe’s chest that refuses to go away.

“You are fifteen. It’s probably just puberty.” Binghe laughs at his Shizun’s expression of disgust. Shen Qingqiu is technically not wrong either, because it’s his steadily growing sex drive that keeps aggravating his demon half. “I have met men who wish they could be demons. I don’t care as long as you don’t tarnish the reputation of the sect.”

“The sect or Qing Jing Peak?”

“The sect. Drag me down with your madness if you want. I chose to take responsibility for you as your Shizun, but leave the others out of it.”

The others in this case, Binghe has learned, means Yue Qingyuan. Binghe is not sure what ties the two men together (ten thousand arrows and a throat split open on the shards of a blade) but it’s a kind of devotion and he wants it for himself. He set this thread of fate against Xin Mo’s blade and it remained unbroken, so he wants to tangle himself up in it until he can forget that he has no thread of his own. He couldn’t find true peace in the embrace of a thousand women, but when he imagines himself sandwiched between Shen Qingqiu and Yue Qingyuan, the most resilient and the strongest man the human realm can offer, he thinks he could be satisfied. Shen Qingqiu’s sharp edges stimulate the demon part of him that wants to court with his fangs and claws bared and Yue Qingyuan’s soft brotherly manners soothe the neglected human boy he tried to rip out of his soul, but never managed. They would be perfect.

But first he has to find out why Shen Qingqiu keeps pushing the Sect Leader away and mend their relationship somehow, and a crucial step to that is making sure Liu Qingge lives. Binghe now suspects that the Bai Zhan War God’s death was an accident, but it drained Shen Qingqiu of any will to stand up for himself and he can’t allow that to happen this time around.

“When I passed Liu shishu earlier I sensed that his qi was unbalanced. He is heading to a deviation soon.” He can blame it on his Shizun that he learned to sniff out impending qi deviations, because Shen Qingqiu had them often and always, always tried to cover them up. “I know he is going to Lingxi caves for isolated cultivation and I overheard Mu shishu say that Shizun is following him in a fortnight. I want Shizun to be prepared to call for help if Liu shishu turns violent and attacks him.”

It’s a battle to convince Shizun to take the emergency talismans, but Binghe eventually wears him down. He spends the whole night before Shizun enters the caves drawing the talismans; it’s his punishment for bothering Shen Qingqiu so much in the past two weeks. Soon after, the Sect Leader leaves and Binghe doesn’t remember the exact timeline anymore, but it sounds like things are happening the way they did before; Liu Qingge’s death and the demon invasion was barely a week apart and Yue Qingyuan was absent for both. So Binghe loiters around the emergency medical team and waits.

Nobody notices it when he slips into the backline of the emergency team, keeping pace with them through the winding pathways of the Lingxi caves until something calls out to him, his instincts suddenly on high alert, and he falls behind, just as unnoticed. The side cavern is almost completely blocked off and once Binghe squeezes inside he can’t see anything, but he doesn’t need his eyes to tell what happened. Poisonous, disturbed qi saturates the cavern, heavy on his tongue with pain and fear and desperation, the rage of a dragon trapped in a bottle, thrashing to break free. He can feel the marks gouged into the walls when he touches them, can taste the blood saturating the surface when he licks along a deep crack.

A beast was trapped in here, a beast that tastes like Yue Qingyuan.

The discovery makes him giddy and he has to tear himself away from the cavern before the qi could damage his human cultivation or the sweet song of blood could awaken his demon half. Outside he finds that things happened as he expected, and to his relief both Peak Lords live. Liu Qingge seems unbearably insistent on undoing the damage he did to Shen Qingqiu’s reputation in the past, but Shizun seems just as annoyed by his attempts as Binghe, so it’s fine.

The demon invasion happens just on schedule and Binghe goes in with a plan to use the demon elder’s poisonous attack to pretend that was what awakened his demon half. It's a good plan, one that's immediately dashed by Liu Qingge, who can't bear to sit and watch when Shen Qingqiu gets to fight. For a blissful moment Binghe entertains the idea of revealing himself anyway and ripping Liu Qingge limb from limb, but he restrains himself and moves right on.

The encounter with Meng Mo is different. In the dream realm Binghe is not a child and he shuts off access to the dream before the old demon can pull anyone else in with them. Then he bows to the elder with all the respect his old mentor earned in that other life. “This Binghe is overjoyed to see Meng shushu has found him again.”

It’s strange, to explain what happened to him to someone who can’t possibly remember those events, but Meng Mo takes it all with grace, even when Binghe admits that Xin Mo trapped the demon in his own nightmare and slowly consumed him. Binghe doesn’t strictly need the grandfatherly old demon in his head - because as much as Meng Mo would deny it, Binghe has met enough demon families to now recognize him for the very typical demonic grandfather that he is - but his presence feels right and his power can tide them over until Binghe decides to break the seals.

Together they hatch a plan to trap his Shizun and his Shibo in a dream until they are forced to talk to each other. It’s easier said than done, because with Liu Qingge nipping at his heels again to demand a spar (get a hint already shishu, Shizun doesn’t see sparring as a bonding activity and you never told him that you mean it that way!) Shen Qingqiu refuses to go down to the brothel to sleep. Finally, when sleep deprivation is driving Shizun to the brink of a qi deviation, Binghe has enough and bluntly presents him with a sleep tonic. “You can take it willingly or I can hit you over the head and take you down to the city. Your choice, Shizun.”

It’s enough of a threat that Shen Qingqiu allows Binghe to distract Liu shishu with a barrage of very specific questions about an upcoming nighthunt and sneaks out to the city himself. The distance would usually be a bit bothersome, but Binghe can grasp the thread tying Yue Qingyuan and Shen Qingqiu together and pull them into a joint dream in the middle.

It’s worse than he expects. He gets a front row seat to their worst nightmares and even fully knowing that these are only memories, his demon blood burns to rip their enemies apart. Meng Mo bodily drags him outside of the dream so his enraged howling can’t disturb the long overdue reconciliation between Xiao Jiu and his Qi-ge.

“He was so cruel to me in that first life, I never imagined that he ever had it worse,” Binghe admits quietly when his rage has cooled, pale as a ghost as they watch the shade of Qiu Jianluo force himself on his child slave.

“Have you ever…?”

“No. Even I had my limits. I made sure they wanted me, even if they regretted it afterwards.” How many women did he feed to Xin Mo’s endless appetite over the years? He never counted. Meng Mo just hums and then shoos him away; the old demon can maintain the dream until the humans are done sorting themselves out and it’s probably not good for Binghe’s psyche to watch all of this.

The next few years are a blur. Binghe keeps his distance from Shen Qingqiu when it becomes clear that the reconciliation followed them out of the dream. He doesn’t want Shen Jiu to think of him as a disciple, a child, he wants to leave and return as a dashing suitor, so he watches from afar as things slot into a much more pleasing picture than before. With Yue Qingyuan’s broad shoulders propping him up, Shen Qingqiu finally gains the power to back up his words and a genuine confidence to match his proud bearing. He kicks all his detractors off Qing Jing and calls an audit from An Ding to clean up all the leftover filth before the new hallmasters take their post. Yue Qingyuan shuts down a nasty comment during a peak lord meeting about Shen Qingqiu’s brothel visits by reminding everyone that they are allowed to visit their family outside the sect if they want to, and this is everything the sect gossip talks about for the next sennight. It prompts Ning Yingying to bashfully admit to her trusted Luo shidi that her mother is one of Shen Qingqiu’s 'sisters', that she joined the sect on his recommendation. Maybe A-Luo would like to meet her sometime? He’s like a little brother to Yingying and she wants him to meet her family.

Not everything is perfect, of course. Qing Jing is still heavy on the physical punishment, second only to Bai Zhan, because the fear of pain works extremely well on the rich brats, but Binghe’s growing restlessness sees him punished more than all the disciples put together and on him it has a very different effect. He can’t help it, his libido is out of control and the people he wants are out of his reach, so the only things he can channel his restless energy is aggression and too long nights of masturbation that leave him too tired to function the following day. At one point Shen Qingqiu even threatens him with the whip again if he doesn’t cut it out, and the thought of Shen Qingqiu whipping him bloody fuels his fantasies for the next several weeks.

It’s three months before the Immortal Alliance Conference when Meng Mo digs his heels in about the course of their future.

“We are not getting Xin Mo.”

“I need it if I want to become strong again.”

“I reviewed all of your memories and I can confidently say that’s not true. The wretched thing hurt you more than it ever helped.”

“I will never get out of the abyss without it. I need it for that long and then I will lock it away.”

“If you pick it up you will never be able to put it down again. Just like in that other life.”

“Then what do you suggest? Am I to just stay in the abyss and perish?!”

“No, of course not. Ask Xiao Mobei to teach you his portal trick.”

“... Let’s start with the obvious that it would not work and let’s not go into the logistics of how I’m even supposed to get hold of him.”

“You have actively used Xin Mo for fifteen centuries.” Was it really that long? It didn’t feel that long. “You have absorbed enough of its residual energy that with the right teacher you should be capable of learning portal manipulation. Whether the Mobei boy is willing to teach you or not is another matter.”

“We were friends before I went insane.” Before he merged the realms and accidentally destroyed Mobei’s entire kingdom and all his subjects in the process. “I think I have a way to convince him.”

Thus starts the long chase to get into Shang Qinghua’s house so Binghe can talk to him in private. It’s much easier said than done. Much as Qinghua has made his peak self-sustaining, he is still busy as hell and when he's not then he's in his leisure house which is the most well-warded building in the entire sect. They only manage a meeting with two weeks left to go before the conference.

At least convincing Shang Qinghua is easy enough. “I recently found out that I'm part demon and I want your prince to help me get away after the conference” is a clear motivation why Binghe would want to talk to Mobei and “I can see from your bruises that he's trying to court you - very carefully, by his standards, I don't see any frostbite - I can make him understand that you are not interested or how to do it the human way, whichever you prefer” makes Qinghua’s expression twist into something both calculating and flustered. The wonders a millennia lived as mostly a demon does, Binghe muses. He was too young and too human to realize that Mobei was pining hard for his little snake of an advisor the first time around. He's not surprised when it all turns into a Human Courting Dos and Don’ts 101. He's not sure if Qinghua is really interested or he's just too scared to turn Mobei down, but when he comes to finalize the details of his getaway the leisure house stinks to the high heavens of happy ice demon, so it's working at least.

He talks Mobei down from letting his entire menagerie loose on the disciples (Qinghua breathes a sigh of relief. He might be able to keep his position as a spy and not lose all his enrolled disciples after all) and shows him where to send the most dangerous beasts for a more targeted attack against Huan Hua’s adult cultivators. Binghe doesn't much care about the disciples, but the least amount of damage done against the sect, the more likely Shen Qingqiu will take him back soon once he returns.

The night before the Conference he finally visits Shen Qingqiu in his dream to show the man his true self. “I told you that I'm a demon.” In the dream Qingqiu is scrawnier and not quite the perfectly polished image of a peerless immortal. Binghe revels in tracing his eyes over all the scars he can see that have been long erased from his skin in the waking world. “I need to leave for a time, after the conference. But do not fret. When I return I will be Junshang and lay the demon world in front of you and Sect Leader Yue as a courting gift.”

He keeps Shen Qingqiu in the dream long enough that his Shizun can't talk to him in person before the event begins. It would spoil the fun to have a fight with his future intended before the hunt.

This plan, unlike the demon invasion one, goes off without a hitch. When Qinghua is portaled into Mobei’s palace a week later for one last report before Binghe leaves, the man has only good news - the sect only suffered injuries and no deaths, and as an added bonus the Iceclaw Assassin Wolf they dropped into the Huan Hua ranks took out the Old Palace Master and his most trusted people before it self destructed. It’s a better outcome than he dared to hope for.

Mobei refuses to teach him portals (for now) but gives him a token that can portal him out of the abyss if things get dicey or Binghe is done training, so that's fine as well. All is ready. Binghe is going to go into the abyss and then seven years later he’ll come back out, fully in control of his heavenly demon heritage and as much of a beast in body as he is in spirit.

The Northern Consort greets him coldly, glaring at him from under a huadian painted with Mobei Jun’s blood that leaves no doubt in anybody’s mind about the king’s devotion to his little human husband. “What took you so long?” Shang Qinghua asks, unwinding one of his many layers of fur and dropping it on the shivering Binghe. The pelt barely covers his shoulders, but it warms Binghe all the same. “Zhangmen-shixiong has been hounding me day and night about your return. Shen Qingqiu refuses to hold their wedding without you there.”

“Ah, but Shang shishu.” Binghe spreads his arms wide, showing off his new physique with a grin. “I promised to lay the demon world before their feet. I couldn’t possibly return before I was capable of upholding that promise!”

Consort Shang is unimpressed.

“Next time, just get them a stick of tanghulu to share. Much easier to get and I bet you anything they would appreciate it more.”

He might not be wrong about that. What is the demon world to a pair of slave boys who rose to the top of the cultivation world on their own power? Comfort food made by his own hand is a much sweeter gift.

Binghe is still going to conquer the demon world for them regardless. He promised, after all, and what kind of husband would he be if he went back on his promises?

#svsss #luo binghe #shen qingqiu #shen jiu #bingqijiu #tc writes #if I ever find the energy to write all these fics it will be all over for you #Bingge is a bit removed from his grudge against SQQ bc it happened so long ago #but in exchange he can be a feral beast in human skin #as a treat #there was no good spot to fit it in there but Bingge also forgot how to cook #he had to have turned into a literal abyss monster for the others to finally decide to put him down and it did no favor to his tastes #poor Yingying had to experience a lot of undercooked or questionably seasoned meals during their friendship #also please imagine YQY going through a few less palatable iterations during his time in the cave #before he remembered that he was supposed to be a boy and was let out #locked in the dark trying to remember that he's not a sword or a beast that's all hunger and sharp edges #his shizun kept him in there until he stopped roaring and screeching and started screaming like a proper human should #I like my Yue Qi with Hidden Layers and at least half of those are also very feral #they conflict nicely with how much of an enabling wet blanket he is #and I say that with all the fondness in the world #I like Yue Qi I want to give him headpats and lock him in a room with Xiao Jiu until they sort their shit out

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