A worldwide series with over 62 million cumulative copies and over 3 billion cumulative anime views! The long-awaited Season 4 that fans have been waiting for is underway! The story enters the popular episodes 'Demon's Machinations Arc' and 'Hero's Awakening Arc,' where the world deepens further! DVD Volume 2 on sale. -- Having held the Founding Festival and established diplomatic relations with various nations, Tempest sets out toward realizing the 'Human-Monster Coexistence Sphere,' a world where humans and monsters can live together. Crossing the barriers between races and joining hands, Tempest prospers. But behind the scenes, there were those who viewed the rise of Demon Lord Rimuru as dangerous. Granbell Rozzo, the former 'Hero' and head of the Five Elders of the Kingdom of Siltrozzo, and his granddaughter Mariabell Rozzo. Granbell and Mariabell, who espouse protecting humanity through domination, weave their schemes and clash with Rimuru. Meanwhile, in the golden land of Eldorado, Demon Lord Leon begins to move for a certain purpose. The Hero, guardian of humanity, and the Demon Lord who rules the world. As various intentions intersect, one 'Hero' was about to awaken --. With unyielding resolve in his heart, Rimuru's next battle begins. Contains episodes 79 to 84.