New York Times best-selling writer Robert Venditti (ARMOR HUNTERS, Green Lantern) and red-hot artist CAFU (UNITY) celebrate 25 years of Valiant with an all-new introduction to Valiant's number one hero — the unstoppable X-O Manowar!The sentient X-O Manowar armor is the most powerful weapon in the universe. But long before the armor fell into the hands of Aric of Dacia, it had a history of its own. Now, for the first time, join us as we uncover the secrets behind one of the most unique artifacts in the history of comics...and dive deeper into the X-O Manowar mythology in an all-new special standalone story!