[Decapitation. It follows that if severing even the heart will not kill him, neither will decapitation, but Sasuke has never encountered an ability of regeneration so powerful. Immortality he has seen, though that too only through chakra; Hidan of the Akatsuki comes to mind. Sasuke's knowledge of him is minimal.
This is something else.
His hand drops away, taking a smear of hot blood with it, wiping it on the towel that hangs off one shoulder. Then he tosses it at the other man to use for the mess, head turned away.]
You shouldn't have done something so risky without being more confident in the outcome. If you hadn't tested the extent of your capabilities in this dimension before, you could have actually died. [Only Sasuke would tell someone to stab themselves and then criticize them for it afterward.] My eyes can't track you as well as they should, and they are unable to identify exactly what sort of power you wield. But yes. You aren't bluffing.
[Suddenly, he is exhausted. He doesn't know what this was truly meant to prove. That it is impossible to hurt this man? He shouldn't even have considered trying.]
no subject
This is something else.
His hand drops away, taking a smear of hot blood with it, wiping it on the towel that hangs off one shoulder. Then he tosses it at the other man to use for the mess, head turned away.]
You shouldn't have done something so risky without being more confident in the outcome. If you hadn't tested the extent of your capabilities in this dimension before, you could have actually died. [Only Sasuke would tell someone to stab themselves and then criticize them for it afterward.] My eyes can't track you as well as they should, and they are unable to identify exactly what sort of power you wield. But yes. You aren't bluffing.
[Suddenly, he is exhausted. He doesn't know what this was truly meant to prove. That it is impossible to hurt this man? He shouldn't even have considered trying.]