Havelock gets as far as spinning around at the sound before Puck has removed himself, which at least gives them a moment to breathe and stare at the late Bertie's tranformation.

"So it would seem," he says, advancing to meet the thwarted zombie heading their way.

And then, with a form not a single master at the Guild could fault (if not quite the ideal delicacy of language),

"Mr. Wooster. If you are now unable to get ahold of yourself, I will kill you."