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 has been set in motion!
!سيُقام والبورغيس
Das Walpurgis wurde einberufen!
¡Que se celebrara un Walpurgis!
¡Que se celebrara un Walpurgis!
Ils vont convoquer
un nouveau Walpurgis !
Si terrà un Walpurgis!
A preparação para o Walpurgis começou!
Из-за него Вальпургиева ночь готовится!