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.
Walpurgis was held 
to decide how Rimuru would
عُقِدَ مؤتمر والبورغيس لتحديد كيفيّة
Das Walpurgis wurde abgehalten,
um die Bestrafung für Rimuru zu bestimmen,
Se celebró un Walpurgis para castigar
a Rimuru por hacerse llamar Rey Demonio.
Se celebró un Walpurgis para castigar
a Rimuru por denominarse Rey Demonio.
Un Walpurgis a été convoqué
pour punir Limule,
Al Walpurgis, in cui si sarebbe decretata la punizione
per essersi auto-nominato Re demone,
Para decidir como Rimuru seria punido
por se declarar um Lorde Demônio,
На Вальпургиевой ночи
должно было решиться,