Board Thread:Theories and Speculation/@comment-1872728-20160229033316/@comment-3965545-20160302061001

Only Hashi and Tobi have all 5 elements from the Senju clan and you cannot say it was easy for them to master them because we don't know if it was or not. So that's not a clan quality. The only time that is attributed to a quality is with Rinnegan and Six Paths Chakra/Senjutsu.