Dark Triumph by Robin LaFevers

His Fair Assassin, Book II

Set in a richly detailed medieval world, this gripping tale follows Sybella, a fierce and skilled assassin trained by the convent of St. Mortain, the god of death. Haunted by a traumatic past and driven by a thirst for vengeance, she is sent on a perilous mission to infiltrate the treacherous d'Albret household. As she navigates a web of political intrigue and deadly secrets, Sybella must confront her own demons and forge unexpected alliances to protect those she loves and ultimately find redemption.

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