After defeating Clayman at Walpurgis, Rimuru officially became a Demon Lord and a member of Octagram. Meanwhile Diablo awaits Rimuru's return in Tempest, and is anxious to learn about his master's activities as soon as possible. A look back at Walpurgis.
It's the Demon Lords' banquet.
إنّها مأدبة أسياد الشّيطان
Ein Fest der Dämonenkönige.
Un banquete de Reyes Demonio.
Un banquete de Reyes Demonio.
Le banquet des rois-démons,
Una festa tra Re demoni.
É o banquete dos Lordes Demônios.
Так называется пиршество Князей Тьмы.