A weak Cthonian boy forges a bloody destiny among the stars. Tribal warriors hunt a beast in the Fenrisian snows. Prosperine sorcerers seek hidden secrets. The Emperor's Praetorian shows his ruthless side. Alpharius submits to questioning over a brutal campaign, and Mortarion returns to Terra for the first time since his ascension to daemonhood.

Each of these six tales provides you with a new look at one of the primarchs, the demigod sons of the Emperor. Once brothers-in-arms, these legendary heroes fell into war and strife, loyalist and traitor. But each remains a mighty lord of warriors and leader of men, and each has tales to tell…