

When humanity's triumph seemed inevitable, the Emperor retired to Terra to continue his next great work, leaving the Great Crusade in the hands of his favorite son Horus. In this he was aided by the twenty Primarchs, his clone-sons, and the Space Marine Legions formed from their genetic templates. With an army of gene-modded soldiers he won the Unification Wars for Terra, brokered an alliance with the Mechanicum of Mars, and led a Great Crusade to reconquer and reunite the galaxy. When galactic civilization collapsed following the Age of Strife, the Emperor fully revealed himself.

An immortal being of incredible scientific knowledge, psychic might, military prowess and charisma, the Emperor watched humanity's development over the course of human history, at times guiding it from the shadows, at other moments taking a more active role and serving as a prophet, general or sage as needed. Roboute Guilliman, Primarch of the Ultramarines, and the Emperor's sonĪt the center of the Imperium of Man is a figure known only as the Emperor of Mankind, now worshiped as the God-Emperor by the great masses of humanity.
