Helena appears every Friday night. She is Beatrice Mitchell, but her trouble turns her into a young, beautiful woman. She has the ability to mesmerize men like a Siren.
She is chained up at Walton Lighthouse. She spends every Friday night there to stop her from seducing men and having sex with them.
After she has sex with a man, she becomes Beatrice Mitchell again the next day. She also becomes pregnant and gives birth just a few days later. During her pregnancy, the father of the baby ages rapidly, as the baby drains their life in order to grow so fast. Once the baby is born and Beatrice holds it for the first time, the father dies.
Helena has seduced many men, including Duke Crocker.