Shamans are those with the ability to see the dead and utilize their powers. They use spirits such as Samurai and Chinese Warlords. In Shaman King, it is the end of the 20th century. Yoh Asakura is a Shaman. He is on a training course, hoping to strengthen his abilities. His ultimate goal: to participate in the Shaman King Tournament, an event which occurs once every 500 years. Shamans from all over the world compete in this massive tournament for one goal, to gain possession of the omnipotent spirit, The Great Spirit.

Together with his classmate and best friend Morty, his samurai spirit Amidamaru, fiancee Anna, and various other friends such as Len Tao from China, and once enemy, and Trey Racer aka Horo Horo from the North, Yoh's very first opponent in the preliminary rounds of the tournament. they will work towards the ultimate goal of becoming the all-powerful Shaman King.