Take off your shirt
From Create Your Own Story
Under threat of the pistol, you reluctantly obey. The priest stares at your chest for a moment and lowers his gun, visibly relieved.
"The hammer-shaped burn," he murmurs. "You have the hammer-shaped burn, as they said you would."
You look at your chest. You indeed have a hammer mark branded on your heart.
"Forgive me, captain Bertram," Kurt tells you. "I wasn't sure it was you. There are spies and agents everywhere, especially in a city like this one. Your story of losing your memory seemed a bit suspicious at first. Now I believe you."