Daindreth's Assassin (Daindreth's Asassin #1)

Amira Brindonu, a sorceress bound by a curse, is forced to become an assassin. Her latest target is the future emperor, but her failed mission uncovers a secret that could doom the entire empire. Now, Amira must decide if she can save the archduke from his own curse, even if it means defying her father and risking everything.