The Gathering.Vesta succeeds in developing a full potion to equal Rimuru's potions, prompting Rimuru to attempt negotiations to develop low potions in the city. Just then, Phobio, beastkeeper of the demon Lord Carrion, comes to Tempest with the intent of taking it over, but is promptly dealt with by Milim before Rimuru resolves things peacefully. Offering Milim a new weapon in exchange for information, Rimuru learns that the other demon lords have their sights set on him for foiling their plan to create a puppet demon lord...