midnight
`` It is known as the Wraith of the Tulliwuddles . The heir must interview it within a week of coming to the Castle . '' `` Vere most I see him ? '' `` In the armory , at midnight . You bring one friend , one candle , and wear a bonnet with one eagle 's feather in it . You enter at eleven and wait for an hour -- and , by the way , neither of you must speak above a whisper . '' `` Pooh !