You were a demi-god. To be more specific, a demi-god who had ran away when you found out who you really were. During the 1920s, you were told about being a demi-god and..needless to say, you couldn't deal with that. You ran. You ran as far as you could, with nothing to protect you except hopes and prayers. You found the Lotus Casino and Hotel and decided to stay there for a few days. Days became weeks. Weeks became months. You were happy there, you were safe. You never wanted to leave. That was all ruined when a bunch of other demi-gods came looking for a "lost" half-blood. You were that half-blood. And you were nowhere near lost.