[Eventually, he comes to a conclusion, and that insane looking grin is back on his face. However, he doesn't look so ready to use the knife as he did before.]

Alright, then. I'll play along with your game for the time being. But don't think this offers any sort of protection.

[He grips the knife ever so slightly, for emphasis.]

'shishi! Prince Belphegor. And you are?