Tobirama will be keep his ability to use human chakra
Uten only said that Youkai couldn't learn to use human chakra. What if one learnt how to use it before becoming youkai? And we know nothing about previous kamakakushi. But it can be assumed that it would be easier to claim a civilian than a shinobi, even one that has no sage training. Remember, Tobirama managed to drive off a group of Oni with only human chakra on the way to Yumeyo. So maybe the previous ones had no training or not enough. The spinning gates from The Legend Of Korra will appear
Tobirama has a strong water affinity. And air isn't the only element that flows and moves in currents. The Hyuuga will face some criticism regarding their Byakugan
They have claimed that the Byakugan has revealed Tobirama to be crippled in regards to chakra. But his actions will show nothing of the sort. If anything, he'll be the opposite. The contradiction to their statement will have people doubting the Byakugan, or at least their ability to interpret what they are seeing correctly.- The latter point, about them no interpreting what they see correctly isn't wrong. They've concluded it means Tobirama is crippled and vulnerable, when he is far from it.
- But the fact that they got something completely wrong may damage their reputation. Especially since they spread word to several people. If they had kept quiet until they got confirmation, no one would have thought anything of it. But now, since they've spread, people are going to be viewing them as unreliable in regards to what they see.
The Hyuuga used to be able to recognize a Kamikakushi on sight
We know that the Hyuuga can see the difference in the chakra coils of a kamikakushi and someone who hasn't been touched by demons. It's possible that back when kamikakushi were more frequent and more noticed, the Hyuuga were taught how to identify the markings on their chakra coils that revealed what they were. Then youkai stopped making so many and the knowledge fell out of practice. While the Hyuuga still have the information, it is in scrolls that no one reads due to being viewed as useless.- A Hyuuga ghost from when they knew how to recognize a Kamikakushi will be very disappointed that their clan forgot this.
