So obviously both Naruto and Sasuke are missing their seals Hagoromo gave them and I'm assuming that the seals were only a one time thing since right after Naruto and Sasuke touch Kaguya the next panel shows Hagaromo with their hand seals.
Now here's my problem with this is that I feel it was...
(I'm new so I don't know how to do everything yet perfectly but please give my theory a chance)
So everyone's talking about how Kakashi has Perfect Susanoo, however I think that even though it is an asspull in the short run, in the long run it may make sense.
Remember, when Obito was taken...