Board Thread:Naruto Discussions/@comment-26993711-20160415224134/@comment-26993711-20160522040808

Thekillman wrote: Basically Ninja can have the ability to hide from sensors (e.g. Karin could). Itachi can hide from sensors well enough, yet still use Genjutsu (unlike e.g. Danzo who was detected when he used Koto)

nice. but how well does that work 1vs1 in battle against a sensor? does that mean when he cast the gen, the sensor won't realize anything until he decides to check his chakra network or does that mean he can't sense he's in genjutsu period?