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System's Origin

Our SI gets fished out from River of Reincarnation by Supreme Being Merlin and given some boons for his journey. ______ It's another story from me. Which means I am going to re-heat the previous plots I used and I am going to add some pepper on it before serving. This thing has a useless system, multiverse, harems, god awful romance to the point people will pay me to stop writing and no action scenes what so ever. So just warning beforehand. Planned worlds: Assassin's Creed: Too short. Crysis. The Prototype. Cultivation Chat Group: Just going to get Karmic Virtue High School of the Dead. Witcher. My Hero Academia. RWBY DxD Naruto Fate Stay Night. I am planning to add more stuff later...

TurkishJesus · Anime & Comics
Not enough ratings
83 Chs

Sorry

Well, I guess it was inevitable after a two week long break. I honestly can't muster the strength to continue this book especially after the recent developments in my life.

I simply don't have time for it and I would rather spend my free time to read books instead of writing, maybe I should have treated this book like my other one's and post it only I had finished the whole thing...

Writing is a hobby for me, it should be relaxing but this book has been a source of anxiety for me.

Anyway, I will be posting the general outline of the plot for this book in this chapter if there's still anyone curious about it.

Worlds;

- Witcher

Zeno reunites with his brothers and starts telling his journey from the beginning, Vesemir is baffled and angered by Zeno's decision to not take the money and leave it to destiny but Zeno shots him down and says he'll make them go unemployed if he does take the coin.

Vesemir and the co. Cheer throughout the story about the Succubus while Illyana sucks a cold breath while holding her waist.

Vesemir admonishes Zeno for going to Ard Carraigh at such a perilous times but they all smirk once he mentioned Sabrina.

He talks about the sex cult in Daevon, mentions how he found the medallion he lost before coming to this world and the accompanied vision and how his brothers might be alive in some world.

The rest of the Witchers swear to keep an ear out for the dragons but Zeno stops them saying they're out of their reach unless they have a unicorn or child of the elder blood.

Zeno talks about the deal he made with Carlos at Vergen and gives identification to the rest so they can withdraw money from the shared account.

Zeno talks about his adventure in Vengerberg and how he fulfilled his promise with Old Harkon and how that got him in trouble with a local enchantress.

Geralt questions why he ran away and Zeno answers that she isn't destined with him and bros come before hoes confusing them to no end. He talks about the enchantresses fetish for mind reading and the Sign that will allow them to speak with animals as it will be helpful during contracts.

Then Zeno talks about the contracts he had on the way to Mahakam about the drowner nest, the wraiths and the Foglets in Rivia and how rivians were pieces of shits.

Geralt who had been speaking with Rivian accent ever since the end of the spring doesn't blush and just grins nastily making Zeno comment Geralt would just fit right in with them.

He speaks about how he couldn't enter Mahakam the usual way and had to fly over.

How he found the Vila community and learned about the shunned Ruskala who had given birth to an abomination a natural born hybrid.

At this point Vesemir is agitated but Zeno assures that it is a natural occurrence not an artificial one.

He talks about his encounter with Yue and how they got along, how much he opened up to her and how beautiful she was.

By the end of it Vesemir pats his shoulder congratulating him for falling in the pit full of shit they call love.

It was already midnight by the time he finished the story and they go to bed.

Zeno spends the winter fixing the keep even more and making deals with Ruskalas who came to get some of thay dragon dick.

In the end Ruskalas agree to stay in Kaer Morhen and the vicinity once Zeno makes the place somewhere they can inhabit indefinitely.

By spring Zeno alongside other Witchers go back on their Path leaving Vesemir and Illyana alone at the keep.

Following that is a series of time skips between contracts and interactions until the timeline of the books.

Zeno visits the people from Ciri's family tree gathering genetic material hidden from the mages that's breeding them. He doesn't consume anything related to Elder Blood but he stills starts analyzing the gene sequence.

Zeno investigates a missing persons case, a young village lady has gone missing. After searching the clues he finds an article of clothing.

The smell on the clothes reveals that the lady was involved with werewolves but they shouldn't move the body.

On top of that Zeno picks out the smell of an boy from the village, the smell is fresher than the wolves which makes Zeno think he knows the truth.

In truth the boy saw the body, found it strangely attractive and busted a nut before actually sticking it in. Once he got his bearings he panicked and disposed of the body.

Zeno scares him by sayin Lycanthropy is transmittable especially through sexual relations, he caves in and confesses, brings him to the corpse.

Zeno uses the remaining clues to find the werewolf and kills him to get paid. The village boy is ostracized and committs suicide out of shame.

Zeno runs into a mermaid who offers to mate with him but is saddened when he says he doesn't want any offspring just yet but still makes love with him.

Zeno agrees to tick off a mark from his bucket list...

He buys bunch of rare herbs from Neneke, by consuming them he he can make more of it, thus giving him infinite supply of alchemical ingredients.

He studies alchemy and makes several potions that are better than the current Witcher potions. He even makes one's that can be used on normal humans but doesn't advertise them since it would piss off bunch of people.

He doesn't even need the potions but he improves them for his Witcher brothers.

He studies mutations and betters the Silverlight and Goldlight even though they're not yet magical.

He gets in Ban Ard around the same time with Triss starting to Aretuza and learns about magic, eventually coming up with a way for him to use it.

During a joint expedition to some elven ruins he meets with a young Triss Merigold. They end up going to an expedition together which they fall into a lifespan based trap where one must at least be at the age of 500.

Zeno has to bare his past in front of her since he can't have her die here and mess up the plotline for Destiny won't be forgiving.

Triss is fascinated by his past and would later fall in love with him due to his pain and all the emotions he kept hidden, in return Zeno decides to steal some of her eggs and preserve them if he ever decides to add her into his harem.

She is yet to be sterilized like the rest of the graduates of Aretuza.

Zeno knows every woman would one day desire to be a mother and willing to make a small sacrifice for his lovers and bear the burden of having children but not for now.

Zeno eventually decides to turn Kaer Morhen and it's surroundings to his little country hidden from others gazes with the help of Kitsu.

Zeno immediately gets to work by modifying the forest into a well confined ecology. Gabriel gives him a sapling from the now mostly healed world tree.

The tree coveres the whole territory and sprouts wooden houses for the people of the country. Zeno generates electricity with magical wind turbines and such.

He eventually changes his mind from wind turbines after realizing he is in a magical world where power of bullshit can be stronger.

He ties two buttered bread to each other before letting it spin indefinitely creating infinite energy. Merlin pops in and comments that this method would not work in the other worlds he will visit, that it only worked due to the unbalanced nature of this world.

It is basically a bug which Zeno is already working on fixing...

In short the place turns into a small heaven for the Witchers coming back for winters.

Zeno even ties the sources of power nearby with the world tree before balancing the Chaos with his Order. This results in the production of a special fruit(Zeno calls them Apples of Eden) by the world tree capable of being universal pancea.

This apple is processed in various ways before being exported earning money for their little country. The entrance is strick and barely a few can go in through the legal ways.

As for those trying to enter illegally should they surpass the illusions, they can only die a dog's death since not even mages are capable of warping in due to the lack of Chaos due to it getting balanced.

He runs into a princess running away from her home to get away from an unwanted marriage. Zeno convinces her that she is living a better life than the most and she goes back on her own.

While escorting the princess back to her kingdom Zeno runs into Yue and Dettlaff. Zeno becomes intimate with Yue and she drinks his blood while Dettlaff stands far away awkwardly.

He ends up in the Brokilon and talks with their living tree about order he invited them to his county but he got refused Zeno didn't mind and left.

Zeno goes back to Kaer Morhen every winter, taking care of the castle and sharing his improved methods with his brothers hoping it would help them on their path.

Due to possessing Karmic Virtue Zeno is considered a manifestation of Order opposed to Chaos. Thus he cannot use standard magic normally, he needs to observe a living source to comprehend how to draw Chaos in himself.

It is nearly impossible since sources are hard to find. Witcher signs are too simple so they don't get affected.

Zeno will eventually integrate Elder Blood and the properties of a source in his system allowing him to find balance of Order and Chaos.

This eliminates the need for drawing Chaos from sources but this is useless for him since he can use his infinite lifespan to compensate.

Being the incarnation of order, he naturally draws in sources of chaos to neutralize each other.

Zeno keeps running into the same bounty hunter that wants to kill him for fame. He deals him fatal blows each time he somehow survives, Zeno eventually beheads him but he comes once more.(Shadow of Mordor Nemesis system parody)

Zeno runs into a dream stealing version of Harpies and she tries to take Kaya's memories. By that time Zeno had already finished with that life and accepts it as is own. He is naturally pissed off and tortures the poor thing to death.

He later gets curious about their dream ability and gets involved with artificial evolution on Harpies to try and get them smarter and refine their dream abilities.

He accidentally makes them a humanoid race with their wings on their backs and bang a several of their beauties.

He saves Foltest's daughter himself to draw Triss' heat to himself from Geralt. They already had met before so she knew of him and had some feelings for him.

Just the usual Witcher curse of having sorceresses flocking around you.

Zeno says to Foltest's that his daughter may fall in love with him after breaking the curse due to his methods but with the guarantee of the curse not relapsing he agrees after much debate.

"Eee hem ayranım dökülmesin hem götüm sikilmesin. Bir karar ver amk!" Zeno cursed in Turkish once again.

Zeno is present when Geralt goes to Blaviken and prevents him from killing Renfri and he also makes it impossible for her to kill the innocents, leaving Stregabor dumbfounded.

Then he runs into Istridd. Zeno doesn't like the man. Even without being friends with Geralt he wouldn't have liked him.

So he doesn't pull his punches when they clash during an expedition into elven ruins.

After finding a way to harness magic, Zeno upgrades Silverlight and Goldlight allowing

Eventually his compass guides him to Cintra right into Parvetta's bed yet he doesn't impregnate her.

He just wanted her first blood(even though it is not different from any other blood) He doesn't try to get Parvetta for himself since destiny won't allow it.

Zeno gradually becomes sick and tired of destiny along his journey, causing him to kill more monsters since Karmic Virtue can offset destiny.

His goal is to study the Elder Blood while learning magic to find a way to bring his family with him. He doesn't infect Ciri out of fear something might happen.

Somehow Zeno, Geralt and Yennefer end up in an adventure together where Geralt catches a glimpse of Zeno's secret.

Yennefer is too busy with trying to hex Zeno since he had refuses her many years ago before she had met with Geralt.

Zeno ends up saving Anna Henrietta's father and claims law of surprise, the king accepts since his wife still has three months to deliver.

Right then Zeno feels like he is connected to a life far away, turns out the baby is born prematurely due to being connected to Zeno's Karmic Virtue.

Zeno takes off with his Goldlight mutated horse bringing the king to his wife who was in labour.

He says he will come later to claim the child. Zeno comes back while Syanna is being banished. He saves her moments before she is raped by the knights and takes care of her.

He even fights Stregabor who came to kill and dissect her after hearing that she was one of those Black Sun Princesses. Even though she wasn't due to being born prematurely.

Zeno is present in the battle at Sodden Hill to protect Triss and mess with Emrhy, he fights hard and bitter without any enhancements since he must keep his identity hidden.

Triss still gets horribly disfigured during the war but she is recognized by Zeno and thus isn't named as the Fourteenth of the hill.

She refuses to see Zeno due to her scars and the other sorcerers chase him away. She later forced to come to Kaer Morhen, there she completely gives into Zeno and receives Goldlight which removes her scarring.

Zeno starts working on a project to see if he can give Geralt and Yen their own biological child since he is most likely is going to steal their adopted one.

He still needs genetic information from the both, while he can reverse Geralt's sterility, he cannot fix Yennefer's ovaries. He needs an viable egg.

Both Parvetta and Ciri are attracted to Zeno. This is more likely caused by the fact she is a source of chaos while he is a source of Order.

The events of the book play out similarly but with Zeno's presence the humiliation Ciri goes through is kept to minimum.

Zeno also mocks Emhyr after his arrival at Strigga Castle. Just open some It was me Barry memes and imagine that level of mockery against Emhyr.

Emhyr eventually spits blood and passes out, Zeno finds it werid that he was affected to this degree considering he didn't do anything that he said.

Zeno is present during the end of the book, he has access to artificial Elder Blood and teleports Geralt and the company but this sets off Wild Hunt while he gets thrown back in time.

Ciri is able to bait them away and protect Geralt and Yennefer but she must keep on running. Eventually she runs into Ouryuu who have been living in a modern setting waiting for the next Hiryuu after Yona.

Ciri mistakes him for Zeno and chaos begins but Ciri quickly realizes the situation and doesn't blurt out any spoilers. Due to being distracted Ciri misses the timing and Wild Hunt starts attacking.

Ouryuu decides to join the fight to help her out and the Dragon Gods give him a power boost. After the fight Ouryuu is mortally wounded but is happy to be dying.

He asks Ciri to take his Dragon Crest after Ciri blurts out the truth which makes Ouryuu somewhat happy as he breathes his last.

Ciri ends up entrusting the Crest to the elves of Sherwood where Zeno eventually recovers it.

Zeno who had been sent back in time uses the extra time to master the Elder Blood and prepare his Reverse Flash level prank on Emhyr, he decides to actually do all of those things just because he has time for it.

Zeno eventually comes up with a procedure that will allow Geralt and Yennefer to have a child artificially but it will still grow in Yen's womb.

The child will be human until they decide its future then by taking an activation agent they can awake its withcer/mage bloodline.

By the time Zeno figures out time travel he skips to the Battle of Kaer Morhen in the third game.

After this world Zeno decides that bringing his loved ones is not okay even if he can actually do it now. he cannot guarantee their complete safety and decides to get himself a personal dimension of sorts.

7 - MHA(Inko, Izumi, Ochako, Ryukyu, Nejire, Mirko, Rei, Fuyumi)

While Zeno becomes a better person he also embraces the Horny.

Zeno is born quirkless as Ryukyu's little brother but that is fine since he has other powers.

Ryukyu loves her brother even sleeping next to him whenever she could even as he was a baby.

Zeno who was a better person couldn't bear to break her heart so he started to show her dreams of his previous lives.

Ryukyu who was around 12 at the time enjoyed the dreams for years, unfortunately the dreams turn grim around the time she starts working as an intern.

Zeno pretends that his original immortality is his quirk to the public.(Meaning he is immortal but he only gets stronger after repeated regeneration)

Ryukyu who knew the truth is still distraught that her brother has suffered so much. She doesn't care about his long life since he always had been honest about it but still she also sees him as a man due her quirk.

Zeno takes over a quirkless man(who happens to be a bioengineer) who was about to commit suicide and uses him for his means.(He builds a research facility that works on modifying and creating quirks)

Zeno starts analyzing the quirk factor and discovers that the quirks are caused by some type of energy resonating with the genes of the humans of this world.

The mysterious energy is later defined as Mana in a later world. It is different from Chaos that was used by Sorcerers in Witcher and the mysterious energy he had discovered by merger of Chaos and Order.

Mana is a balanced energy that doesn't steer towards any side of order and chaos unless the wielder of it does.

Quirks are basically in-built spells that people have in their genes. After discovering this Zeno starts to manufacture his own quirk suited to his needs.

Zeno saves Touya from the fire and comes out of the fire to meet with Todoroki's and roasts Endeavor like a chicken.

At this point his research has beared some fruits allowing him to fix Touya with his Second Identity.(This identity uses Zeno's known quirk as his resolve to help people to modify the bad parts of their quirks)

He also runs into Inko and Izumi after they come back from doctor. Zeno offers Inko an offer she cannot refuse after learning that her husband had left them and actually filed for divorce in this world.

Seeing this Zeno goes ahead and infects Izumi, this will help her get in shape quickly, make her smarter and help Zeno analyze One for All when Izumi receives it.

Once Izumi gets OFA, Zeno gets pulled into the quirk psyche and converses with the previous users. He explains his plans and the fact that he won't stay here for too long and he could leave Izumi here to have her keep on be a hero.(CHARACTER GROWTH!)

He than offers them a chance of rebirth using Biomass and Quirk Mana to separate their consciousness outside of OFA and reconstruct their bodies.

Seeing no one taking his offer Zeno uses his petty card and pressures Nana Shimura with her grandson. She eventually agrees to be reborn if Zeno can revert her grandson to a state before AFO fucked him up.

Zeno also tries to get inside her panties and eventually emerges victorious.

Zeno experiments on various people to test artificial quirks based on their genes but things get R Rated real quick as quirks in sexual nature start to pop up.(AN: Don't judge me! I wrote this shit during NNN)

Zeno concludes that subjects' mentality and the physical state of the body manifesting the quirk might effect the results.(Like people who are aroused developing R Rated quirks.) Since people generally develop their quirk at the age of 4 this wasn't a big problem.

MC builds a legal whorehouse that helps people with weird quirks and he stops Uraraka from selling herself. Zeno gives her a job in the whorehouse since Zero G Sex is a fetish that exists.

Seeing that she is falling for him because he helped her Zeno decides snip that bud fast, Ochacko is downtrodden but she soon gets over her crush and realizes what she was trying to do.

Zeno on the other hand didn't want her to make a hasty decision. She'll soon be hopping on his dragon.

Zeno develops a drug company and there's a viagra knock off based on a employee's quirk.

Mitsuki Bakugou is an employee and her quirk is used to make skin care products. Zeno decides not to go after her, seeing she is happy with her marriage.(CHARACTER GROWTH!)

At this point Zeno is able to custom make quirks but they barely have power due to not having stored mana in their genes. The power must be accumulated through generations.

Zeno develops a natural quirk based on his research that suits him. It is a theater based quirk that starts out weak just being able to turn his memories into stories which is used to amuse Fuyumi with his adventures.

Zeno absorbs criminal's stored mana to power up his own quirk.

Near the end he can do things similar to USA's number 1 hero but with more restrictions.

By the end, MC sovles the quirk riddle which gives him magic on par with Devil Magic from DxD after merging it with Witcher magic and decides to evolve his quirk into Personal Dimension similar to Home Essence but this results in the dimension being outside of reality (restriction) and it cannot effect reality unless MC has enough power for it.

After getting rid of All for One, Zeno's Karmic Virtue turns into a Carp. He can merge with it and turn into a golden dragon.

9 - RWBY(Take all you want)

Aura, Dust, Semblance.

MC defeats Salem via Diary of an aesthetic monk that Merlin gifted him after laughing at how he died.

Zeno is born in Menagerie, first people doubt whether he is faunus or not until he shows his scales.

Zeno once more deploys fake a parent plan and gets inside the management of the country before uplifting it to sky.

Meanwhile he is dealing with Blake being a curious kitten.

He regularly travels to Atlas to meet with Schnee in secret to groom them since he doesn't want to deal with Tsun Weiss.

He basically travels the world, collecting Waifu's he wants.

Now, thanks to his semblance, Home Sweet Home. Zeno can project his Personal Dimension onto the world but he must own the land legally.

Zeno makes use of wind turbines, dams and solar panels to generate power. He can adjust the output since he can control wind, water and light inside the borders but he doesn't need to do this since there's enough energy with the land's natural condition.

Along with this restriction, Zeno turns Menagerie into a fortified heaven for Faunus until Atlas hears about it.

Meanwhile, Zeno has already infected Summer Rose with Goldlight to keep a tab on her whereabouts so he can save his future mother in law.

On the other hand he secretly infects Raven's bandits for a mental breakdown. He makes them turn on her forcing her to kill her so called family.

Raven goes back to Tai and Summer with dead eyes but she learns that Summer left to deal with Salem and she doesn't have an evac since she bailed.

Raven breaks down completely and goes after Summer, only to find her being saved by Zeno who had been keeping an eye on both of them.

Summer had been knocked out so she didn't see Zeno transforming into a gigantic golden dragon and bitch slap Titan Grimm like toys.

Afterwards Raven moves back with Tai to try to be a mother but she doesn't go back with Tai, instead she is more interested in Zeno despite his young age.

Raven can tell, Zeno is stronger than anyone she met before, even Salem. Raven is drawn to Zeno's power that can protect her from Salem.

But Raven also knows how to keep a secret and doesn't tell anything to anyone until Zeno talks with her.

Zeno later confronts her about his plan to kill Salem and gets her on board.

After saving Summer, Zeno is a regular at their home much to Taiyang's displeasure.

Even Qrow likes Zeno since he is immune to his bad luck and Zeno can even suppress it, allowing him to visit more.

Ozpin is interested in Zeno but he can't really do anything to the son of a public figure.

Zeno conducts experiments on Grimm, they do give Karmic Virtue. They are also magical in nature, through them Zeno understood that the Twin Gods were just really powerful magic users that took the world's authority.

He develops Grayligth, capable of taking control of Grimm. This allows Zeno to push the borders like there's no tomorrow while his powers turns the land habitable.

Once menagerie starts selling power to the city of Mantle, Zeno has to deal with flies from Atlas trying to enter the country.

After some political bullshit they managed enter but they couldn't find anything that would explain Menagerie's wealth.

Soon they started to kidnap faunus to interrogate them but that was the last drop. Zeno infected them all with Silverlight before sending them back.

First he spreads the infection before laying all of Atlas' dirty laundry for the world to see.

While people deal with the shocking revelations, Zeno travels to Grimmlands with Raven and his own modified Alpha Grimm.

In the Grimmlands Zeno gets an audience with Salem and presents her with the Diary.

Salem who wanted to die all along doesn't mind the pain and reads it and comprehends compassion.

Just as the Twin Gods arrive to take her and Ozma's immortality back. They deem humans as failures and want to annihilate them.

Unfortunately, Salem had given her castle to Zeno just before they arrived, allowing him to kill them off with ease.

After ferrying their souls, Zeno's carp evolves into a golden dragon that contains the Zeno(Ouryuu). The left over Karmic Virtue manifests as a group of nanites that symbolizes the system.

Salem was shocked to see the Gods' death. She prostrates herself before Zeno and becomes his priestess(with benefits).

Zeno allows Salem to purify the Grimmpool to give her a boost before they leave.

Raven was shocked to see this and wants the diary but she declines after hearing the conditions.

From this day forward, Grimm are numbered, the titans have all been suppressed and infected by the Alpha Grimm.

Alas, there's still enough Grimm for several generations, so the hunters will be needed for some time. Going back to Menagerie, Zeno contacts Ozpin and informs him.

They have a meeting and Ozpin is shocked seeing Salem being so humble, then he hears the full story and asks if he can have the diary.

Zeno doesn't mind and gives it to him but Ozpin doesn't read it knowing he'll die but he keeps it for potential students.

Zeno leaves the cleaning up to the two former immortals.

Even though Ozpin is shady he and Salem have enough experience to plan out the decline of hunters and how to proceed when all Grimm has been exterminated.

While Ozpin and Salem clean up his mess, Zeno follows Blake to Beacon to collect waifus. He has been grooming them for a while, time to collect.

10 - DxD(All the waifu)

Zeno's past life is completely revealed which makes the girls calm down and be more accepting of his selfish desires for some reason.

Also with Yona's reincarnation Ouryuu finally decides to pass on and merges with Zeno leaving only System and his draconic instincts in his head.

11 - Naruto(Did I stutter?)

Zeno reincarnated as Naruto(his name is still Zeno) but he wanted to get Kushina in his harem as well.

Hagoromo who had seen his reincarnation doesn't bother to take action since he could feel Zeno's accumulated Karmic Virtue.

Zeno this time around starts as a fetus and slowly mutates Kushina's body to handle the extraction of the tailed beast and survive getting impaled.

During the sealing Minato first seals the Yang half into Zeno before noticing his wife's condition. Seeing that she is actually getting better by the second he determines that she'll survive and seals the Yin half into her before dying.

Zeno tames and absorbed his draconic instincts in this world with the help of the Dragons in the summons realm.

- Type-Moon

Zeno absorbs his Origin completely finally resolving his multiple personality disorder.

Zeno is born in Fuyuki, he starts as an 4 year old orphan, with his previous magic experience it doesn't take long before he figures out the basics of Magecraft.

Zeno decides to bet on Zouken and applies for an apprenticeship, promising to prove himself while allowing Zouken to see through his true age.

Zouken who at the time was seeking immortality agrees with Zeno.

Zeno creates recovery potions that can recover body the body and the soul and sells them to Zouken.

Zouken uses them to recover over the years, more he recovers more he realizes the mistakes he made and eventually gives up on immortality.

Since Zeno was the one that helped him Zouken divulges the core secrets of his family craft, in return Zeno improves them to the point even Zouken is shocked.

Zeno transforms Crest Worms into a type of World Tree that stores Matou Family art and the family members can partially merge with the tree to obtain them.

Meanwhile the tree adds the members into its photosynthesis cycle, with each cycle their magic circuits are tempered and the family art are ingrained in their bodies.

Zeno, in short turns bug using Matou family into techno druids.

Zouken still adopts Sakura, this time to make her the heir but thanks to the improvements made by Zeno she doesn't suffer during the training, she still has her hair turned to purple though.

After Byakuya kills his wife and Kariya barges to the home demanding Sakura, Zouken and Zeno agree to feed them to the tree to increase Sakura's training speed.

Meanwhile Zouken personally raises Shinji who was born with average circuits due to leeching off of Zeno's Karmic Virtue Luck.

Zeno joins the 4th war as a seven year old and summons Berserker instead of Kariya.

Zouken is reluctant at first since he doesn't want Zeno to die even though he knows Zeno is older than he looks but he relents after Zeno shares his past as an immortal seeking death.

Zeno has no problems sharing this since Zouken is back to normal and is even helping strays to fight off the guilt that is eating him.

Zeno gives Zouken a task, that is to create a suitable vessel for Irisviel's soul. Zouken agrees due to remembering his own love.

Zeno summons Atalanta Alter for extra neko power, especially with Artemis on his side he can make her give up on her vow of chastity.

Zeno summons Atalanta as Berserker and is determined to revert her to her Archer self. Atalanta hersel takes a liking to Zeno due to his honesty and his childish looks.

Over the course of the war she sees his mature version and watches him sleep with both Saber and Irisviel and eventually decides she wants in on the relationship.

Finale:

Zeno trancends in Cultivation Chat Group his system, Ouryuu and dragon bloodline is his Three Corpses...

Severing the three corpses method actually brings the system's Ouryuu's and his draconic side's personalities back much to their awkwardness.