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...
If the oxygen density in the air is too low,
إذا كانت كثافة الأكسجين في الهواء
،منخفضة جدّاً
Wenn die
Sauerstoffkonzentration gering ist,
Si está en densidades bajas,
Si está en densidades bajas,
Si le niveau d’oxygène est très bas,
Se c'è poco ossigeno,
Se a densidade dele no ar for muito baixa,
А если его недостаточно,