Senku, Taiju and Yuzuriha head to Hakone to collect sulfur for gunpowder, which they’ll need to fight Tsukasa. They accidentally set off an explosion, which attracts some unexpected attention.
Sulfur, which we can get 
plenty of at this hot spring.
هو الكبريت الذي يمكننا
.الحصول عليه من هذا الينبوع الحار
Schwefel, den man in dieser
Onsen-Region massenhaft findet.
le soufre disponible à foison
dans cette région.
è lo zolfo, presente in quantità nelle terme!
Enxofre, que temos como conseguir
bastante nessas águas termais.