The 1st Duel Masters series. 
 
A mysterious organization is interested in fledging duellist Shobu Kirifuda's ability to bring Duel Master creatures to life. With the support of his friends, Shobu duels with passion, discipline, and heart as he strives to be like his father and become the next Kaijudo master.
 
(Source: Anime News Network)

Shobu and friends fight the remaining Fua Duelists in order to defeat Zakira. Once again, they face off against the old members of Fua Duelists at the World Championship tournament.
 
Shobu also found the terrible fate his friends faced because of these duelists in their past.

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