The Empowered Ones. The Hollis Timewire Series, #4

Hollis Timewire never wanted to be a hero. But when Arthur Evandrum, the leader of the Pure Ones, forces her to use her incredible power to control and imprison citizens, Hollis has no choice but to fight back. As she struggles to resist Arthur's coercion and grapples with the responsibility of being a leader, Hollis discovers there is more at stake than her own freedom. Mysterious events are unfolding at the lab in Area 7, and she must uncover what they are before it's too late.
With the help of her closest allies, Hollis races against time to unearth what's happening behind the scenes. As she delves deeper into Arthur's twisted vision for the future, Hollis's own morality is called into question. Will she make the ultimate sacrifice to protect what she believes in? Or will she succumb to Arthur's power and become another pawn in his game? The fate of society rests in her hands.