Rimuru is building a dungeon in preparation for the upcoming festival. It will feature treasure chests containing weapons made by Kurobe, and Veldora will inhabit the deepest floor as the final boss. Then Milim suddenly shows up with a suggestion...
You know, I always thought so, 
but you really are scary...
...لطالما توقّعتُ ذلك، لكنّك مخيف حقّاً
Du bist noch fieser,
als ich gedacht habe.
Siempre me lo habías parecido,
pero eres realmente aterrador.
Siempre me lo habías parecido,
pero eres realmente aterrador.
Je l’avais déjà remarqué avant,
mais tu es carrément flippant, tu sais.
Senti...
Você... Não que eu já não achasse
antes, mas você é assustador...
Римуру… какой же ты всё-таки…
 страшный Князь…