The Luna Wolves were the XVIth Space Marine Legion raised by the Emperor of Mankind on Terra at the dawn of the Great Crusade in the late 30th Millennium. After the Emperor discovered the Legion's Primarch Horus on the world of Cthonia, and gave him command of the Luna Wolves, Horus went on to lead the XVIth Legion in earning thousands of battle honours over the span of the 200 standard years of the Great Crusade. Few other Legions could match their achievements and of those that could few could rival the XVIth Legion for the brightness with which their victories shone. Spread across hundreds of Expeditionary Fleets and on countless battlefields, the Luna Wolves broke the enemies of the Imperium and pushed the Great Crusade forwards. The position of Horus as the Emperor's favoured son undo