Void Release? / Sky Release?

Kagerou · Jan 29, 2014

As we know, the elements that we see in Naruto are all part of the "Godai" (Except Raiton).

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The elements we see there are: Fire, Wind, Water and Earth..but there is another element called "Void"

Void can be said as two things.

It can mean that Kishi was trying to convert Void into Raiton...

or, It's a chakra nature.

If we look at Void's wiki entry:

Kū or sora, most often translated as "Void", but also meaning "sky" or "Heaven", represents those things beyond our everyday experience, particularly those things composed of pure energy. Bodily, kū represents spirit, thought, and creative energy. It represents our ability to think and to communicate, as well as our creativity. It can also be associated with power, creativity, spontaneity, and inventiveness.
Kū is of particular importance as the highest of the elements. In martial arts, particularly in fictional tales where the fighting discipline is blended with magic or the occult, one often invokes the power of the Void to connect to the quintessential creative energy of the world. A warrior properly attuned to the Void can sense their surroundings and act without thinking, and without using their physical senses.

This could mean that this is a element for Taijutsu users because of the Martial Arts part (Essentially, Rock Lee and Might Gai).

So, what do you guys think?

Could it be a hidden Chakra Nature or just put as a untold story?