In any city, in any country, go to any mental institution or halfway house you can get yourself to. When you reach the front desk, ask with no hesitation to visit someone who calls himself “The Holder of Darkness.” The worker will mock you but you have to stay as calm as possible. Keep asking him until he stops denying and withdraws from his counter to guide you through the corridors. You are free to pick it up. It is object 13 of 538. Your knowledge of their fears is up to you to share, but you may not want to use it as a weapon against them.