Obito being manipulated
Kakashi by accident
Someone or something else
but she said" ka....kakashi" and had a look of shock on her face so i think it was an accident or maybe she was under a jutsu there were explosions and mist/rain so who knows.....hey wait a minute......those explosions reminded me of the Second Mizukages ultimate techiuqe ...maybe they got caught in Mu and the seconds battle??
and how come Suigetsu dose not use that technique?
He doesn't look surprised or shocked, he's just sad and he's crying, which means he was already somewhat prepared for whats going to happen. If it was an accident or human-kawarimari or whatever then he would look like this: