Shamans possess mysterious powers that allow them to commune with gods, spirits, and even the dead…and Manta Oyamada's about to learn all about them, because his class just welcomed a new transfer student: Yoh Asakura, a boy from way off in Izumo…and a shaman in training!

(Source: Kodansha USA)

 AnimeRulz is the best site to watch Shaman King SUB and DUB in HD quality.