Saison 1 / Episode 15 : Le Mont Natagumo -

Tanjiro, Zenitsu, and Inosuke arrive at Mount Natagumo, a forest choked by thick, unnatural spider webs.

This episode raises the stakes. Up until now, Tanjiro has largely handled threats on his own. Mount Natagumo proves that some demons are so powerful they require the intervention of the —the elite protectors of the Corps. It sets the stage for the legendary "Episode 19" and the introduction of Giyu and Shinobu’s true power. Saison 1 / Episode 15 : Le Mont Natagumo

Tanjiro and Inosuke enter the woods, while a terrified Zenitsu stays behind (initially). Tanjiro, Zenitsu, and Inosuke arrive at Mount Natagumo,