Shout-Out: Reign of the Fallen by Sarah Glenn Marsh

Without the dead, she'd be no one.

Odessa is one of Karthia's master necromancers, catering to the kingdom's ruling Dead. Whenever a noble dies, it's Odessa's job to raise them by retrieving their soul from a dreamy and dangerous shadow world called the Deadlands. But there is a cost to being raised: the Dead must remain shrouded. If even a hint of flesh is exposed, a grotesque transformation begins, turning the Dead into terrifying, bloodthirsty Shades.

A dramatic uptick in Shade attacks raises suspicions and fears around the kingdom. Soon, a crushing loss of one of her closest companions leaves Odessa shattered, and reveals a disturbing conspiracy in Karthia: Someone is intentionally creating Shades by tearing shrouds from the Dead--and training them to attack. Odessa is forced to contemplate a terrifying question: What if her magic is the weapon that brings the kingdom to its knees?

Fighting alongside her fellow mages--and a powerful girl as enthralling as she is infuriating--Odessa must untangle the gruesome plot to destroy Karthia before the Shades take everything she loves.