Vicious by V.E. Schwab (Paperback)

In Vicious, college roommates Victor Vale and Eli Cardale experiment with near-death experiences to gain superhuman abilities, leading to a deadly rivalry. Ten years later, Victor escapes prison to confront Eli, now a self-proclaimed hero on a mission to eliminate other superhumans. This dark, morally complex tale explores the blurred lines between heroism and villainy.