Onyx Storm’s ending is tragic for Violet and Xaden, but its big twist could see the next Fourth Wing sequel reviving the best aspect of their romance.

Onyx Storm's ending was full of plot revelations and set up the future of the Empyrean Series in a major way — including the fact that Violet was made Duchess of Aretia, Xaden has joined the venin, ...

Fans of The Empyrean series have been left with plenty of theories following the ending of Onyx Storm, with some suggesting ...