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.
When Rimuru crashed the party, 
awaiting him was...
...عندما دخل ريمورو المؤتمر بلا دعوة، كان ينتظره
Und wer platzt da einfach rein
und suchst Stress?
Allí le esperaba nada más y nada menos
Allí le esperaba nada más y nada menos
À son arrivée,
il s’est retrouvé confronté
Limur si ritrova ad affrontare
un temibile nemico.
Quando Rimuru chega ao local,
quem esperava por ele era...
Но вот кого он не ожидал там увидеть,
так это Милим,