Board Thread:Versus Debates/@comment-26388300-20160301040622/@comment-28869806-20160321193338

Ninja Of War wrote: ^The simplest way to remove sight with genjutsu, would be to block signals(chakra) from the brain to the eyes. It would be harder to "cloud" vision by altering signals in stead of just stopping the signals in the first place. BoD is described as negating sight, and negating means stopping or blocking. Which in turn means blocking the signals from the eyes that the brain interprets as sight.

Sasuke has only been shown to combat genjutsu with his Sharingan, without it he will definitely have a harder time countering it. that doesn't change the fact that BOD is useless in this fight, sure most of Sasuke's genjutsu usage was with dojutsu, but that changes nothing, Sasuke was still able to break out of multiple of Itachi's genjutsu, even breaking out of a weakened tsukuyomi, so tell me how BOD a genjutsu that doesn't even come close to Itachi's weakest genjutsu is going to allow Hashirama to win this fight.

BOD negates vision via clouding it, it's not going to stop Sasuke's dojutsu, because in order for Hashirama to get BOD to work is by manipulating the chakra in Sasuke's eyes, which whether you like it or not, isn't going to work, and even if it does, it would last at most one second before Sasuke realizes he's under genjutsu and inevitably break out of it.