…

The leech doesn't say anything for a couple of seconds and then in a defeated voice…it says…

"This place… The Blood Swamp is a place where numerous summons exist… from birds, alligators and many more… but there are three powers that rule the others… one of them is… me the Leech Sage… then there the bat summons with their leader the Bat Sage they currently have the advantage because they have the numbers advantage and the last major power in this swamp is the Mosquito Sage…"

Then he keeps explaining the dynamics amongst the smaller summon clans in the Blood Swamp. Alligators and Flies and Dragonflies are at all out war against each other… pretty much this place is a Blood Swamp and the blood running through the swamp is real blood from the countless giant summons that die here. 

Then I ask him another question with a nonchalant voice.

"So… now... tell me everything that you know about leech Senjutsu… "

Then as he is about to answer me I interrupt him…

"Also lying to me isn't a good idea."

As soon as the leech heard me say that he stopped the lie that he was about to say… even if his physiology is different from humans. I already have memorised his patterns of when he lies and does different things with my Sharingan.

Then it continues saying in its deep voice.

"The Leech Sage mode works like any other Senjutsu… I will just use some of my mucus on you, to help you sense the natural energy and-"

I don't even listen to him anymore… he is still hiding things from me… I guess some old monster like him might underestimate my ability to notice him lying… really old creatures who are above 100 years old and are simply just strong… I mean I am a patient man and like to plan things slowly and carefully but… if they haven't already become the strongest being in existence by that time or if they stop searching for a higher level of power for themself and get too comfortable in their position is just simply… trash… they will simply be overtaken by someone with a higher ambition… that is how the world works…

Then after the Leech finished talking… I just looked at it and said…

"Your age has really rusted your brains Leech."

I just clasp my hands together and a blue ball comes out of them and it floats above my head.

<Falling Mountain Barrier>

Then my jutsu  ignites at a single point above my head, blue energy extends upward to four points and forms an inverted pyramid, which solidifies into a barrier around me… 

This should keep any outside forces from interfering. Then I make another handsign and the pillars start flashing…. and I summon some black chakra from my mechanical arm… after that I make a ball of chakra in my hand and use the dark chakra to corrupt it… and I also use some Fuinjutsu on it.

Sorry little leach but it seems like you have to go… I then throw the ball towards the leech and it gets absorbed by it… then…

…

After two minutes the dark chakra ball comes out of the leech and now it has a dark red color… as then I make a small seal on my abdominal muscles and store it in there.

The leech then… says something…

"Who am I…"

I just smile at it and touch it with my right hand and then I pull up my shirt and draw a circle with fuinjutsu all around it and a spiral in the middle of the seal… I make sure to not connect it with my life force and such things and… more correctly the seal is not on my 'body' but on my skin.

Then I touch the restrained Leech and then with my other hand I touch my seal…

"Who are you." -the leech asked confused before…

<Four Trigram Seal>

It was sealed on my skin… what I did was steal its memories and I am pretty sure that torture against millennium old creatures like them is ineffective. So I took it's memories and sealed its body… 

I didn't absorb his memories since… only dumb people absorb another persons memories… that is like asking for the memories to take you over… especially this leech who has thousands of years of memories. It will definitely be able to take over if it absorbs my memories.

Then I slowly use a seal to 'review' the memories in my brain like a movie with my sharingan…

——————————

One Hour Later

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HOLY SH*T… I know he was hiding something but for it to be this BIG...

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AUTHOR NOTE:

(We see that Yami is being his usual careful self. Other MC's in some other fanfics they just simply 'absorb' the memories of other people and learn all of their techniques. It doesn't work like that. Personalities are literally memories. If you lose those… are you really yourself… so the MC used this method to view memories... and what is the thing that the MC discovered in the leeche's memories.)

10 CHAPTERS IN ADVANCE ON PATRÈON.

P.S: Soon we will see someone elses POV and who that person is WILL shock you.