Board Thread:Theories and Speculation/@comment-34656247-20180531072459/@comment-33308438-20180611125226

Tsukiyomi is the strongest Genjutsu according to Zetsu. Also, Itachi was holding back against Sasuke. The jutsu can twist and manipulate time, matter, and space. Itachi using it VS someone doesnt mean it's automatically at full power. Hashirama get's rekt.