[ That does throw a slightly better light on it, when he explains further. It doesn't quite ease the vaguely disturbed look he gives Zangetsu, squinting at him, for a brief moment, but it's already done. He doubts he could order him to regrow his arm if he's set on this.

And if he really can do that...

He sighs, relenting. ]

Very well. If you're so sure, I suppose I can find no fault with... [ He waves a bit towards the empty sleeve. ] That. It does save me the trouble of punishing you myself, at least.