When Obito returned to the Jashin Cult headquarters with Rin Nohara, he found Kakashi and the others locked in a desperate battle. Kakashi was exhausting himself rescuing those Thanatos attacked, while constantly using signals to warn his next targets so they could prepare. That was the only reason they had survived this long instead of being slaughtered.
Kakashi once again saved Tayuya from Thanatos. By now, Thanatos was growing impatient. Those eyes really are a nuisance. I can't drag this out too long in this body, or it'll fall apart. I need to finish this quickly, then find a more suitable body. In that case, I can't hesitate anymore. This will make the body deteriorate faster, but I'm replacing it anyway, so it doesn't matter.
With that thought, Thanatos attacked Tayuya again. Seeing him go after her, Kakashi hurried to intervene while signaling for Tayuya to be careful. Tayuya immediately cast a genjutsu, but this time it had no effect on Thanatos. Fortunately, Kakashi reached him just in time to block his attack.
Seeing Kakashi block his attack again, Thanatos sneered. "Heh, you're exactly who I've been waiting for. Die, descendant of Takamagahara."
Black chakra once again poured from Thanatos's scythe, spreading especially quickly this time. Kakashi immediately realized that he was the target. Once Thanatos eliminated him, no one here would be able to follow his movements, and killing them all would take only an instant.
Kakashi unleashed the Kamui he had already prepared, tearing a hole in the black chakra surrounding him. He seized the opportunity to take Tayuya out of the encirclement, but the moment he escaped, Thanatos appeared behind him and said with a savage grin, "Die."
Thanatos raised his scythe high and slashed at Kakashi's back. Kakashi only had time to glance back and see