Dangu

From Dark Horse:

From the desert wastelands emerge two mysterious warriors, master wizard Yarong and his faithful servant Batu. On a grave mission from their king, they have yet to realize the whirlwind of political movements and secret plots which will soon engulf them and change their lives forever. When Yarong is mortally injured, Batu must fulfill a secret promise to leave Yarong's side and protect his master's child. As Batu seeks to find and hide the infant, Yarong reveals another secret to those who have tracked him down to finish him off--the deadly, hidden power of a Shaman Warrior!

* One of the best-selling manhwa epics of all time, Shaman Warrior won the Korean Culture & Content Agency's 2006 "Best Manhwa of the Year" award!