: By having the real Jack the Ripper (Renfield) expose himself, Moriarty forces the bickering Scotland Yard and the local Vigilance Committee to stop fighting each other and focus on a single target.
The central theme of the episode is the deliberate creation of a monster to foster peace. YuukokuNoMoriarty2_Ep_05_SUB_ITA.mp4
: The episode prominently quotes The Tempest ("Hell is empty / And all the devils are here"), framing the Victorian aristocracy as the true "devils" walking the earth. : By having the real Jack the Ripper