Origami Katana Sasuke. Qinxijianzhuang katana sword real japanese katana t10 steel sasuke training anime cold tanjiro demon slayer. 1 crease a square of paper on both diagonals.
Fold the square inward along the diagonal, crease, and unfold. The sheath is also made of metal for greater robustness. He folds into the katana he's been for.