Owen isn't really expecting to be let off that easily. As long as it doesn't involve hurting Will or anyone else, he is prepared to do anything Tesla deems necessary to becoming alive again.

"All right, whoever's in there." He sighs, going along with it. "Can you also tell him that the zombie knows Tesla thinks he's a piece of worthless crap, and fair enough - maybe he is. But he's stuck here anyway, and this could be - well, his life Tesla's holding in his hands."

He knocks softly on the door again. "An answer sooner rather than later would be good."