Yin Release

Yin Release is a nature transformation that exists outside of the five basic elemental natures. Those who learn how to use Yin Release can manipulate the spiritual energy inside of the body, being able to control imagination or make things create form from nothing but what can be created depends of the proficiency of the user, all genjutsu are executed with yin release.

There are a few clans who naturally have more affinity to it than others, like the Kurama and Nara clan who, respectively uses it on genjutsu and shadow manipulation. The Sage of Six Paths, Hagoromo Ōtsutsuki used Yin Release and Yang Release to create Yin-Yang Release, which allowed him to split the Ten Tails into the nine tailed beasts.