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.
True Demon Lord Awakening
الصّحوة كسيّد شيطان حقيقيّ
Erwachen zum Wahren Dämonenkönig wird angenommen.
Despertar como Rey Demonio auténtico
Despertar como Rey Demonio auténtico
come un vero
Re demone
Verdadeiro Lorde Demônio
Пробуждение истинного Князя Тьмы