In the second season of Tensei Shitara Slime Datta Ken, the nation of Tempest is in high spirits following their triumph over the surprise attack by the Falmuth Army and Western Holy Church. Amidst the celebrations, Tempest and its allies gather to deliberate the fate of the Nation of Monsters. However, complications loom as problems arise from the Falmuth invasion aftermath, Milim Nava's dubious conduct, and the sudden disappearance of Demon Lord Carrion. Rimuru Tempest, now awakened as a True Demon Lord, takes the initiative to confront Clayman head-on. Fortified by the fully revived Storm Dragon Veldora, Ultimate Skill Raphael, and other powerful comrades, the ruler of Tempest is confident in tackling his enemies one by one until he faces the mastermind behind the chaos.