Senku has the idea of ??creating gunpowder to have a way to balance the scale and have a chance to defeat Shishio. The production of gunpowder causes a fire. Shortly thereafter, Senku and the others discover smoke signals on the horizon. An accident? Hardly likely. Apparently there are other people in the stone world …
dr-stone-ep-4Dr. Stone Season 1 Episode 4
Dr. Stone Season 1 Episode 4
Fire the Smoke Signal
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