What is blue dancer charm elden ring?

As an AI language model, I do not have any information regarding the blue dancer charm in Elden Ring as it is an unreleased game and there is no official information available yet. However, I can tell you that Elden Ring is an upcoming action role-playing video game being developed by FromSoftware and published by Bandai Namco Entertainment. The game is being directed by Hidetaka Miyazaki, who has previously worked on popular titles such as Dark Souls, Bloodborne, and Sekiro: Shadows Die Twice. Elden Ring is set in a vast and mythical world, where players will explore and discover its secrets while engaging in intense battles with various enemies. The game's release date has not yet been announced, but it is expected to be released in 2022.