In Demon Slayer, the Nichirin blades used by Demon Slayer Corps members are made from Scarlet Crimson Iron Sand and Scarlet Crimson Ore collected from mountains that are bathed in sunlight all year ...

Demon Slayer (Kimetsu no Yaiba) is a popular Japanese manga and anime series. The story revolves around Tanjiro and his friends, who are part of the Demon Slayer Corps, an organization dedicated to ...