The katana (刀) is a traditional Japanese sword characterized by its curved blade, single edge, sharp tip and long handle, which allows it to be wielded with both hands. Historically, it was one of the primary weapons of the samurai, the warrior class of feudal Japan. The making of a katana is a meticulous and spiritual art, involving forging and tempering techniques that have been perfected over centuries. It is not only a combat instrument, but also a symbol of Japanese culture, reflecting values ​​such as honor, precision and discipline. The aesthetic beauty and combat effectiveness of the katana make it one of the most renowned swords in the world of martial arts.