"If I take your arm off, I'll remind you you told me to." But until then, until a 'worst case' actually happened, Loki was willing to try again. It was Thor, minor injuries barely registered most of the time.

He sent out another twist of magic to try and close the cut, formulated slightly differently to avoid the green rot again. Doing the same thing multiple times in a row was never a good idea.

And... nothing. The cut just sat there, oozing blood.