Tsukasa has learned about the cave where the nitric acid is collected. The race is on between Senku and Tsukasa to restore humanity in their respective visions.
of sulfur, the main component of gunpowder.
.المكوّن الرئيسيّ للبارود
el principal ingrediente de la pólvora.
principal ingrediente de la pólvora.
o principal componente da pólvora.
главного материала для пороха.