Lily Rabe's departure from 'AHS: Hotel' was a bit of a shock to fans, especially since she'd been such a consistent presence in the series up to that point. From what I've gathered, it wasn't a dramatic exit—no behind-the-scenes feud or anything juicy like that. She was just juggling other projects at the time, including stage work, which has always been a huge passion of hers. Theater actors often have tight schedules, and 'Hotel' filmed around the same time as some of her commitments.
That said, her absence definitely left a void. Her characters in previous seasons, like Sister Mary Eunice and Misty Day, were fan favorites because of how she balanced vulnerability with eerie intensity. 'Hotel' had its share of standout performances, but I still missed her presence. Maybe she'll return for a future season—Ryan Murphy loves bringing actors back in new roles, after all.