In the year 7219, humanity's empire spans countless stars, protected by the Eternals - immortal children of the Emperor and Empress who command vast legions across the galaxy. Orion, youngest among the Eternals, leads his legion in uncovering a mysterious conspiracy that threatens the very foundations of Imperial rule. As he delves deeper into ancient secrets and forgotten dangers, he discovers that even divine beings can fall.

Eternals I begins an epic saga blending military science fiction with dark fantasy, where transhuman demigods wage war across the stars and ancient powers stir in the spaces between worlds.