The Cardinal's Blades by Pierre Pevel

The Alchemist in the Shadows

Set in an alternate 17th-century France where dragons and magic exist, this swashbuckling tale follows a group of elite swordsmen known as the Cardinal's Blades. Tasked by Cardinal Richelieu, they must thwart a sinister plot by the Black Claw, a secretive faction of dragon-blooded individuals seeking to destabilize the kingdom. As the Blades navigate a world of political intrigue, betrayal, and supernatural threats, they must rely on their cunning, skill, and camaraderie to protect the realm from a looming danger that could alter the course of history.