Hydrification Technique

The user can reduce all or part of their body to a watery form, avoiding and absorbing attacks. They re-solidify at will. Using this, the user can also re-shape their body parts for suitable situations. When the user passes out, they are turned into a jelly-like state.
 * Name:
 * Type: Hiden, No rank, Supplementary
 * User: Suigetsu Hozuki
 * Debut (Manga): Chapter 346
 * Debut (Anime): Shippūden Episode 115

As this technique turns Suigetsu's body into water, he is vulnerable to lightning techniques. When he was pinned down by Darui's sword, imbued with electricity, Suigetsu notes that he couldn't liquidize properly.

It is unclear whether or not this is a product of Orochimaru's experimentation.