Furyborn (The Empirium Trilogy) by Claire Legrand
SF TEEN LEGRAND
When assassins ambush her best friend, Rielle Dardenne risks everything to save him, exposing herself as one of a pair of prophesied queens: a queen of light, and a queen of blood. To prove she is the Sun Queen, Rielle must endure seven elemental magic trials. If she fails, she will be executed...unless the trials kill her first.
Children of Blood and Bone (Legacy of Orisha) by Tomi Adeyemi
SF TEEN ADEYEMI
Seventeen-year-old Zélie, her older brother Tzain, and rogue princess Amari fight to restore magic to the land and activate a new generation of magi, but they are ruthlessly pursued by the crown prince, who believes the return of magic will mean the end of the monarchy.