The Young Elites Series by Marie Lu

The Young Elites Series by Marie Lu - A dark fantasy trilogy about Adelina, a girl who survives a deadly fever and gains terrifying powers. As she’s rejected by society, she turns toward vengeance, rises to power, and slowly becomes a villain, ultimately facing the cost of her darkness and making a final sacrifice to save the world.

• The Young Elites – Adelina, a girl scarred by a deadly fever, discovers dangerous powers and joins a secret group of gifted survivors while battling dark impulses.
• The Rose Society – Adelina embraces her villainous side, builds her own army, and seeks revenge as her powers grow increasingly unstable.
• The Midnight Star – Adelina’s darkness threatens the world, forcing her to face the consequences of her rise to power and make a final, tragic sacrifice.