Webtanjiro receives his unique sword after completing rigorous training under sakonji urokodaki, marking his official entry into the demon slayer corps. Webtanjiro's new sword is formed from rengoku's handguard and the ancient blade he discovered in the swordsmith village. The gesture of using rengoku's. Webafter successfully defeating the doll, kotetsu and tanjiro discovered a unique sword hidden inside the body, but it wasn’t battle ready, as the blade remained. When demon slayer protagonist. Webtanjiro’s sword turns black after coming in contact with his hand (and internal energy) due to his dormant knowledge of the strongest breathing style, sun. Webwe see this firsthand when tanjiro (natsuki hanae/zach aguilar) gets his new sword at the tail end of season 1, only for it to turn an ominous black. Webtanjiro's sword from demon slayer: Kimetsu no yaiba gets forged in real life. The blacksmith youtube channel that works has posted a new video showing. Webhowever, once tanjiro unsheathes his weapon, the blade turns a dark black, to the concern of urokodaki and the anger of haganezuka.
