Louise Sergeant was the youngest Prima Ballerina that the Paris Opera Ballet ever had. When she danced, she relinquished her own being and became the dance itself, and some viewers even described her as "possessed by a divine being". In fact, envious colleagues spreaded a rumor that she made a pact with a phantom who lived underground the Palais Garnier.

You was watching her presentation dumbfounded, she seemed almost like a mirage.