Taste of Darkness by Maria V. Snyder — book slip

Avry, a powerful healer, has faced numerous challenges: surviving a deadly plague, defeating the corrupt King Tohon, and now grappling with the mysterious disappearance of her heart-mate, Kerrick.

As the Fifteen Realms teeter on the brink of chaos, the sinister Skeleton King seeks to seize control. With armies in disarray and the dead rising, Avry's unique healing abilities become crucial.

Torn between love and duty, she must navigate treacherous paths to determine the fate of her world.