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.
Urk ack erk!
!بئساً
Acc! Acc! Acc!
Glup, glup, glup!
Ой-ой-ой!