Board Thread:Naruto Discussions/@comment-5085906-20170731184405/@comment-30323490-20170731190157

It's just the sharingan genjutsu i think, we already know that Sasuke retained his sharingan abilities in his rinnegan. It is also a known fact that the tailed beasts are very weak against the sharingan, thing proven before by both Madara and even a 14 years old Obito.