Kingdom of the Wicked: by Kerri Maniscalco

Kingdom of the Wicked by Kerri Maniscalco follows Emilia, a witch living in secrecy with her twin sister, Vittoria. When Vittoria is brutally murdered, Emilia embarks on a dangerous quest for vengeance.

Defying all warnings, she turns to forbidden dark magic and forms an uneasy alliance with Wrath, a prince of Hell. As they unravel the mystery of the murders, Emilia discovers that nothing is as straightforward as it seems—especially when dealing with the Wicked. This dark and thrilling tale of vengeance, magic, and betrayal marks the start of a gripping new series.