Board Thread:Versus Debates/@comment-26704954-20160301064038/@comment-3965545-20160304035535

Maybe he was too drained to keep the MS itself activated, maybe his eyesight in the MS was too blurry. There are reasons, it just wasn't explained.. his eyesight going dull would also explain Tobirama being able to FTG Slash him so pathetically easy.. considering they supposedly fought every single time the uchiha fought the senju.. just like Hashi and Madi.