Clayman tries to convince the other Demon Lords that Rimuru should be purged, but Guy tells him that if he is truly a Demon Lord, he should defeat Rimuru himself. What should be a one-on-one battle between Rimuru and Clayman is joined by Milim, who has been brainwashed by Clayman, so Rimuru takes on Milim while Shion faces Clayman. But Rimuru is at a disadvantage against Milim and finds himself pushed back... until Veldora bursts onto the scene and takes Milim's attack in Rimuru's place.
I hereby declare the commencement of 
the Demon Lords' banquet, Walpurgis.
أعلن هاهنا عن بدء مأدبة أسياد الشّيطان، والبورغيس
Ich verkünde hiermit den Beginn des
Declaro el inicio de Walpurgis,
el banquete de los Reyes Demonio.
Declaro el inicio de Walpurgis,
el banquete de los Reyes Demonio.
Je déclare solennellement ouvert
Dichiaro che qui e ora si apre la festa dei Re demoni!
Eu declaro o banquete dos Lordes
Demônios, o Walpurgis, iniciado!
Господа, начинается наш банкет!
Я объявляю Вальпургиеву ночь открытой!