Vinland Saga

Vinland Saga (ヴィンランド･サガ, Vinrando Saga) is a Japanese historical manga series written and drawn by award-winning manga author Makoto Yukimura. The series is published by Kodansha, and was first serialized in the youth-targeted Weekly Shōnen Magazine before moving to the monthly manga magazine Afternoon, aimed at younger adult men. As of March 2013, the series has been compiled into twelve bound volumes. The series is also licensed in English by Kodansha Comics USA.

Plot
Thorfinn is son to one of the Vikings’ greatest warriors, but when his father is killed in battle by the mercenary leader Askeladd, he swears to have his revenge. Thorfinn joins Askeladd’s band in order to challenge him to a duel, and ends up caught in the middle of a war for the crown of England.