Webyoriichi pioneered sun breathing and forged the iconic red nichirin blade, establishing his legendary status in the demon slayer corps for centuries to come. Webyoriichi, the first demon slayer, used the same sword that tanjiro found after the swordsmith village arc adapted in demon slayer season 3. It is a standard. Webyoriichi’s signature nichirin blade stands out for its jet black base color that ignites into a fiery red hue when he activates his breath of the sun techniques in battle. Webwhat is the yoriichi type zero sword? As a demon slayer, yoriichi tsugikuni carried a fairly standard nichirin katana — deep black in color, that changed bright red. Webyoriichi tsugikuni (継 (つぎ) 国 (くに) 縁 (より) 壱 (いち) , tsugikuni yoriichi?) is a major recurring character in demon slayer: He is a demon slayer. Webyoriichi tsugikuni’s sword was called the red nichirin blade. The red nichirin blade is a unique type of sword used by demon slayers that emits a distinct red. Webyoriichi tsugikuni’s obsidian black sun breathing sword.
