Blood Transformation Technique, Narutopedia

Using the Ketsuryūgan's abilities to manipulate a target's blood, the user can expand the blood in the target's body. Doing so, it will cause the body to morph into a much larger version, effectively disguising the target to be indistinguishable from their true form. By cutting their wrists to expel the extra blood, the target will return to their original state. Body Alteration

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Having been a Naruto fan for as long as I have been seeing Naruto go nuts 4 tails mode on Orochimaru is still to this day one of my fave Moments in

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Blood Transformation Technique, Narutopedia

Blood Manipulation, Wiki

My memory sucks. Was the identity of the guy who was sacrificed that Kisame possessed to fight Team Guy ever revealed? Or was it just some random sacrifice? I know Itachi possessed

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