Board Thread:Theories and Speculation/@comment-32742265-20180119154238/@comment-6769189-20180210104427

Idk why u keep bringing up kkg. I am talking about the 5 basic natures and techniques open to everyone. Since the Sharingan sees chakra flow and how it is manipulated and allows the user to perfectly mimic what it sees then they can mold the chakra to match the technique they see. In Boruto episode 24, Konahamaru explains that it can see the structure of a jutsu and copy it and make it the users own. His list of exceptions does not include previously unmastered natures. Sarada then busts out a shadow clone simply because she seen it with her Sharingan.

Being able to use any nature transformation comes with the "can copy any jutsu". The Senju were also the clan of a thousand jutsu so their arsenal was diverse enough to keep up with whatever the Uchiha had. Tobirama and Hashirama have all 7 Nature transformations but they arent especially noted for it.

Hydro is so OP that any lightning jutsu counter results in instant K.O. it also requires constant hydration and Sasuke isnt one to carry anything on him but the bare necessities. Sasuke never saw any of the Konoha 11's hiden. He was passed oit during all of the Chunin exam prelims and was late for his fight.