There ' s 10 Souvenirs . I ' ll list them below with spoiler tags for how to get them . Samuel ' s Boat s Found during A Long Day in Dunwall , in the cosy nook in the Safe Room Elite ' s Helmet s During Edge of the World , kill or knock out one of the Elite guards wearing a helmet to get it Syringe s Use the nonlethal elimination of Hypatia in The Good Doctor to get itClockwork Head s Destroy a Clockwork Soldier either during Clockwork Mansion , The Grand Palace , or Death to the EmpressWitch ' s Sword s In a display case in Breanna ' s Office in the Royal ConservatorySilvergraph s In the Silvergraph shopstudio on the wall in the Dust District between the Howler and Overseer territoriesCorvo ' s Trophy s In an apartment left of the Overseer Office in a dilapidated buildingCalendar s On the table by the double doors in the study in the Crack in the Slab when you first head to the pastGazelle s in the Grand Palace , in the Duke ' s vault . Its in the circular room on the far right sideEmily ' s Doll s In Death to the Empress in the safe room in the toilet