"Le Serment des limbes" is a fantasy novel written by Pierre Pevel. It is set in a world where magic and mythical creatures coexist with humans. The story follows a group of characters who navigate complex political intrigues and personal challenges while uncovering secrets that could change their world. The novel is part of the Les Lames du Cardinal series, which blends elements of swashbuckling adventure and historical fiction. It features themes of loyalty, betrayal, and the struggle for power, all set against a richly detailed backdrop inspired by 17th-century France.