Tempest is preparing a feast in celebration of Rimuru's return home. Then a newcomer, the majin Myulan, arrives to scope out Tempest on the Demon Lord Clayman's orders, having joined up with Youm's crew as their military advisor in order to enter the nation. Upon arriving, she's surprised to see what a strong nation it is, but continues to talk with its citizens to learn more. Meanwhile, the king of Falmuth, who sees Tempest as a nuisance, conspires with the Western Holy Church in a plot to invade the monster nation.
Today is the day we'll 
make you cry out in pain!
!اليوم هو اليوم الذي سنجعلك فيه تصيح ألماً
Ich hab echt das Gefühl, dass heute
ein guter Tag ist! Bis du bereit, alter Kna…
¡Hoy lamentarás tu suerte!
¡Hoy lamentarás tu suerte!
Cette fois,
vous allez bouffer la poussière !
Vedrai, oggi è il grande giorno in cui chiederai pietà!
Hoje é o dia em que
vou te dar uma lição!
Уж сегодня мы вас обязательно победим!