Of course I would know where you were going with the tangent of using the technique for defense rather than torture. The technique itself was designed originally for defensive purposes, but using it in a more sadistic sense would be more perfect.
After seeing the finger pointing towards the pool I was drinking from before, insinuating I should just jump in, I can only make a really expressionless face at the motion you are suggesting I take. "Uhh... no. I will not jump in a rotten river with what tasted like a child's piss drifting along the seabed." The thought of carelessly jumping in infuriated me, as I was a man who believed in looking before I leapt, unlike the man who stood before me.
I took a few steps towards the river, making my chakra flow much more lax and physically trying to halt the flow so that I wouldn't be able to walk on the river. I take a deep breath, exhaling and walk slowly into the river. The cold touch on my skin and how it weighs down my clothes should be something I am used to, but this felt different, like it were a child's piss rubbing up on my skin. Anyway, for the sake of training, I walked deeper into the river. As I got so far out so the water level reached my waist, I knelt into the river dipping my whole body into it, performing a subtle breaststroke to get out into deeper waters. When I felt ready, I converge my chakra within the water, preparing myself for the technique by utilizing the water. I take a deep breath, making sure to hold my nose as I dip my head into the water, holding myself underwater with the chakra I mixed in with the water. I think of how I can propel myself using nothing but the water and the chakra, but nothing comes to me at the time. After a little thought I can think of one way to perform the technique successfully, by releasing my chakra through the tenketsu located around my backside to push myself forward. Of course, aide may be needed by physical activity, but this should be enough for the time being to recreate the jutsu. I pressurise the chakra within myself for a few seconds, making sure to hold my breath under the wretched waters and release the tension on my tenketsu, which should be able to propel me forward away from you and the mainland. I come up above the water's level, taking deep breaths from having to hold it after so long, and just seeing how far I can see away from you and the mainland.
I'm sure he would want me to come back, so I begin a standard freestyle swim back to the mainland while thinking of such possible ways of using this technique to overcome my enemies. Of course, one requirement would be the usage of a water source, and a large one at that. It could be used for escape, hastily creeping onto someone as a surprise attack, or even using it as a water version of the Double Suicide Decapitation technique. I'll make sure to let him know when I get back to the mainland.
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I could go for a few games maybe, but I'm kinda really bad at it, like 1000 elo or something. And I heard about the Froggen playing Lee Sin mid, didn't really see much of it though. xD