Shaman King, Fate/stay night Recommendations
Fate-stay night has a number of similarities to Shaman King, but as a seinen series is overall darker and more character-focused. Magic takes on a larger role in F/SN than Shaman King. Both series revolve around a tournament fought with spirit allies over an incredible power.
Two stories about competition between people with supernatural power
Both series have story about summoning people from the past and use it for battle/tournament.
Both are about a battle between Magi/Shamans that held per long period of time, battling each other using Spirits of warriors of the past. a battle which only the last one standing is the winner. To win the Holy Grail/Holy Spirit, something that gives the power to achieve one's dreams.
What are the characters dreams and goals?
And why they are participating in these battles?
Are these Servants/Spirits just tools to win the battles?
Both series hold these questions. However,
Shaman King is more about friendship, it's lighthearted with mush comedy.
While Fate/ Stay Night is darker and focuses more on characters development with some romance.