Board Thread:Theories and Speculation/@comment-27260817-20160203170532/@comment-26369387-20160204180436

^YRS is Sage Art: Lava Release Rasenshuriken.

Also, regular Sage Mode's highest form generally is eye change and pigment around eyes(Snake Sage Mode seems to be exception). Fukasaku himself said this.

Also, Six Paths Sage Mode would be "the Rinnegan" to Sage Mode.