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.
You will accept my retribution!
!ستقبلون جزائي
avranno la punizione che meritano!
terão que aceitar minha desforra!
Вы за всё заплатите!