Following the victorious defense against the Falmuth Army and the Western Holy Church, the nation of Tempest celebrates. However, amidst the revelry, crucial decisions await as Rimuru Tempest, now a 'True Demon Lord,' grapples with escalating issues—suspicious actions from Milim Nava, the vanishing of Demon Lord Carrion, and the aftermath of the recent invasion. Determined to confront Clayman, Rimuru marshals allies like the reborn 'Storm Dragon' Veldora and the formidable 'Ultimate Skill' Raphael. With unwavering resolve, the Tempest ruler sets out to dismantle his foes, inching closer to the mastermind orchestrating the chaos.