It will be streamed via Amazon Prime
The official website for the anime adapation of Vinland Saga has uploaded a new promo which you can see bellow:
Shuhei Yabuta is directing the anime at Wit Studio; Hiroshi Seko is supervising the scripts.
Kodansha describes the story as follows:
“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. From the creator of the classic Planetes manga comes this epic, highly-anticipated tale.”
Via: Anime News Network