Name of Jutsu: Intangibility
Class: S
Range: Close
Type of Jutsu: Ratio Mixture
Exclusive to: Anywho who presents a good enough Ratio Mixture training post to ME and ME alone.
Element Affinity: Spiritual

Description: Makes the user intangibile for as long as their focus and chakra lasts.

Weakness: Requires great concentration to keep good intangible and uses a lot of chakra when not mastered.

RR Version

Name: Intangibility no Jutsu
Chakra Cost: 30
Effect: If successful, all damage is reduced to zero
Chakra Requirement: Random Roll Handseal Knowledge. Result must be over 30 to successfully use.
Note: Must have knowledge to Ratio Mixtures to use.

35 chakra is B-Rank

40 is A-Rank... there is no 30 for RR.

So your making a Shadow Cat jutsu... I dont think it needs an elemental affinity since it doesnt correspond to any of the 5 or any combination of it.

Okay then,

Affinty: None

Chakra Cost: 35

Better?

your 3 yes's plus my 3 yes's makes 6. Its made. Add it to your list yourself.