1. Travel to Dr. Torsche's Mansion, Grand Library. 2. Fight your way through to the Butler's Quarters located in a small room at G-5/6. 3. Inside, talk to Kamen. Select any of the two available options for the same results. [key item: Catherine's Head] 4. Return to Dr. Torsche (F-4). 5. Select the option "Kamen wanted you to have this". [you give Catherine's Head] Next Quest: "A Plan To Revive Catherine"