Read-alikes

Books Like A Dawn of Onyx

A Dawn of Onyx is enemies to lovers, captive / captor & forced proximity — mild (2/5), first-person, ending on a hard-won happy ending. These 12 romantasy read-alikes are ranked by how much they share with it, closest first — each one explained.

Arwen Valondale, a young healer with rare and dormant magical abilities, sacrifices herself to save her brother's life and is taken prisoner by the feared Onyx Kingdom. Held captive and forced to heal enemy soldiers, she navigates palace intrigue, treacherous secrets, and a darkly compelling fellow prisoner whose true identity upends everything she believes about the war. As her powers awaken, she must decide where her loyalties truly lie.