Board Thread:Naruto Discussions/@comment-27521865-20190624190722/@comment-27521865-20190713191940

@Princeharris1993

The sharrigan can copy most ninjutsu,taijutsu if the user is seeing the technique being done so it does not matter if the jutsu is hidden as you say because it does not matter if the user knows how it works. The sharrigan compensates for that by coping it perfectly so the computer analogy does not work in the slightest and the only thing that the sharrigan can't are other kekkai genkai