My Upgrades Are Invincible

Chapter 108

After spending a few hours with Tanjiro and Nezuko I left seeing as Rengoku took his mother home to basically tell his lay about depressed father to get his shit together and possibly be ready to leave this world. As for the Kocho siblings and Kanao Tsuyuri, they were also just relaxing and apparently Shinobu had already sent a speaking raven to the Demon Slayer Leader that I had brought her sister back to life in return for her fealty.

Not exactly my goal but either way it works as Kagaya obviously didnt mind seeing in his mind how he lost a Hashira in exchange for a man who already killed one of the Upper Rank demons to be drawn in closer.

"He is the one who wins in the end of that deal." I scoffed as I landed inside an alley a good distance away from Tamayo's house thinking on how those Upper Moons have killed dozens of Hashira over the years each basically. The biggest fault of the Hashira is that they never really work together and for whatever reason all the upper moons are basically impossible to kill except for Doma all alone as they have some weird immortality mechanic like the siblings keeping each other alive if one of there heads are still attached along with Hatengu's bodies or even Nakime's reality marble that can fairly easily throw a single person around and can only be defeated by splitting her attention heavily.

Or in my case burn the whole dimension to pieces seeing as its filled with wood structures and other buildings.

Either way its time for my centerpiece... I silently rolled the resurrection stone between my fingers and had to grimace as a much larger chunk of my mana was pulled out of me as the much more solid form of Yoriichi Tsugikuni who looked to be within his mid twenties appeared in front of me.

The man out of time looked over himself obviously in awe of being returned to his youth which honestly confused me, but perhaps the stone brough the person back as what they saw themselves as in their very soul.

"Yoriichi Tsugikuni I have called upon you to do two tasks." I said getting the rejuvenated man to look at me and I saw how some people called him unnerving as his eyes seemed to see through me, not to mention the fire mark that looked like flames spreading over a piece of his face. "I wish you to battle alongside me to defeat Muzan and his ilk once and for all, and teach me your Sun Breathing method as it has all but died out with only a child trying to put together the fragmented memories he has of it back together."

Yoriichi seemed to blank out for a moment before I saw his hands seemingly instinctively going to rest upon a sword pommel which was something all the Hashira did but seeing as he has been dead for literally centuries. His sword was long lost as far as I knew.

So, I didn't think he was going to attack me or something as resting there hands on there swords was like chewing gum for Hashira in how it calmed the PTSD ridden teenagers and twenty year old's.

Yoriichi then nodded and his deep voice was plain and didnt have any forms of deceit showing how much he agreed with my goals. "Very well... I failed in my opportunity to kill Muzan so having another chance to atone for my failure as well as truly get revenge for my families loss will set my heart at ease..." The man paused seemingly at a loss before he coughed almost as though embarrassed but I could tell he was just trying to put me at ease. "But I will need a sword as it seems my own sword and spirit were bound onto a doll used to train the demon slayers."

'Oh yeah, I forgot about that!' I thought as I had basically forgotten that whole little training arc where Tanjiro learned some precognition nonsense by apparently being able to smell people's motions and actions before they do it and then he decapitated the Yoriichi styled golem/doll that housed his old sword within and drove the doll to train the demon slayers.

"You dont want your old sword back?" I asked thinking how odd that he would rather have a new one.

Yoriichi shook his head as he kept his calm humble appearance. "No, I wish to have a new sword untainted by my failures to kill Muzan and my traitor brother." He said simply and I could understand that.

"Alright well for now we are going to talk to Tamayo a demon you met once before who is a very accomplished doctor and is capable over keeping Muzan from splitting apart using her poisons." I explained and he nodded saying he remembered her from the day he tried to kill Muzan.

-

After we reached and shared some small talk with Tamayo we got into the details as seeing as it was still mid day, both Yushiro and Nerine were asleep so they didnt join our conversation.

But oh boy Tamayo literally squeaked like a mouse when Yoriichi was standing beside me in front of her front door, and she almost fainted from the shock.

"Jake, you do not understand the sheer terror the sight of Yoriichi has engraved into Muzan's blood as any demon who has his blood will freeze at the sight of him." Tamayo explained with a pout after I teased her a bit, and I probably should have notified her before I came as even Daki/Ume had flashbacks to seeing Yoriichi in her bloodline memories from Muzan's blood when Tanjiro's demon slayer mark appeared.

Alright Tamayo I need you to get several flowers resembling this." I showed a crude shape of a flower with little strings growing on the sides almost like spider legs witch is why the flower is called the Blue Spider Lily. "Obviously it doesn't need be exactly the same but it needs to be similar and I will dye them a dark blue with my magic so he cant tell the difference and then you will use your high profile connections as a doctor to spread rumors all throughout the city of Tokyo about these blue spider lily's ability to slow ageing and how people have already destroyed the natural habitat trying to get all the seeds to control them."

I could see the comprehension coming across Tamayo's face as I went onto explain the finer details like how she would spread rumors how she had a small laboratory sponsored by the royal family to extend their lifespans and all three of us knew that Muzan would flip his shit at the thought of some jumped up humans becoming first generation demons like himself so he would certainly fall upon the place with the wrath of god with all his Upper Moons to steal all the Blue Spider Lily's before they went extinct again for another millennium.

"Hmm I do have a minor line of communication with Kagaya Ubuyashiki so I will have him bring the Hashira to surround the supposed site where I have the Lab underground." Tamayo said surprising me about having a line to the Demon Slayer Corps but then again, I wouldn't be surprised if she hadn't tried to buy the members of the cursed Ubuyashiki family a couple more years of life.

"Please have another sword brought for me as well." Yoriichi politely asked finally cutting into our conversation.

Tamayo actually paused for a second before speaking. "Actually, I do have an unmarked Nichirin Sword no one has wielded before... You can have it."

Obviously, I asked why she would have such a thing and her answer made my face twitch. "Oh it was incase I met a worthy child in my travels, I planned on grooming him into a husband and training him to kill Muzan of course!" Yeah these women in demon slayer are the most petty and insane in their methods in going after the men who kills their loved ones that I know of.

Like this is some Hera level pettiness as Tamayo is centuries old and is still planning on having herself consumed by Muzan to transmit massive amounts of toxins just like how Shinobu planned on doing that to Doma for killing her sister.

"Alright you set it up and bring some flowers that can be shown around to get his attention and then when the news of your lab being worked in hits him, we will commence the battle to kill him outside the city, so we don't cause too many stray casualties." I said preparing to go take a nap or something in the spare bedroom that had been left for me to reside in. Plus, Nerine's coffin was in there and honestly, I was a bit jealous of it as the bedding within was enchanted to always be cool and after you get over any claustrophobia its actually super comfortable.

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