The dragon element applied to katana is a strong combination.  katana occupies an important influence on Japanese culture, and dragons have been accepted by the local Japanese in the Yayoi era as a culture of dragons originating from China. Moreover, the fact that the dragons on the graphic have feet and horns is a better indication that these dragons have a deep connection with the Chinese dragons, which have been passed down as the symbols of strength, authority and majesty, ruler and power represented by the Chinese dragons. A katana with a dragon element also has the power to protect the family.