Lightlark Series by Alex Aster

Lightlark Series – A deadly Centennial competition forces six rulers to fight for survival and break the curses destroying their realms, while Isla Crown uncovers dangerous secrets about her powers, her past, and her heart.

Total 4 Books in the Series - 

1. Lightlark - Isla Crown enters the deadly Centennial—a competition among cursed realm rulers—to try to break the curses on the lands, navigating dangerous alliances and unexpected love. 

2. Nightbane - After winning the Centennial, Isla struggles with her new power and responsibilities, facing political tension, betrayal, and the consequences of her complicated relationships.

3. Skyshade - Isla reels from a brutal battle and must reconcile her divided heart while confronting a rising, long-buried evil threatening the realms’ survival.

4. Crowntide - Isla ventures into the unknown to defeat her dangerous ancestor Lark, while Grim and Oro must unite and confront past betrayals to help her save—or doom—all the realms.