The Foxglove King by Hannah Whitten

In this lush, romantic epic fantasy series from a New York Times bestselling author, a young woman's secret power to raise the dead plunges her into the dangerous and glamorous world of the Sainted King's royal court.
When Lore was thirteen, she escaped a cult in the catacombs beneath the city of Dellaire. And in the ten years since, she's lived by one rule: don't let them find you. Easier said than done, when her death magic ties her to the city.

Mortem, the magic born from death, is a high-priced and illicit commodity in Dellaire, and Lore's job running poisons keeps her in food, shelter, and relative security. But when a run goes wrong and Lore's power is revealed, she's taken by the Presque Mort, a group of warrior-monks sanctioned to use Mortem working for the Sainted King. Lore fully expects a pyre, but King August has a different plan. Entire villages on the outskirts of the country have...