Demon World

In "Demon World," part of B.V. Larson's bestselling Undying Mercenaries series, Legion Varus arrives on Kepler-62 to investigate the silence of Earth's colonies, only to confront a terrifying new threat. Instead of finding the colonists deceased, they discover a reality altered by microscopic invaders known as "Demon" parasites, which enhance human abilities while turning them into deadly killing machines. Centurion James McGill finds himself mysteriously immune to the invasion but must grapple with challenging choices to save humanity from an insidious new enemy that operates through seduction and manipulation.