Yu-Gi-Oh! Duel Monsters 8: Hametsu no Daijashin (localized as 'Reshef of Destruction' in the West) is a card battle RPG. Set in the Battle City arc, the story takes a dark turn as the Millennium Items go missing and the dark being Reshef threatens the world. The gameplay combines RPG exploration with card duels. It uses a unique rule set different from the standard OCG/TCG, factoring in elemental alignments (Fire beats Forest, etc.) and allowing for continuous summoning. Known for its high difficulty, players must grind to build a powerful deck to defeat opponents and save the world.