How about owning a beautiful and extremely durable ninjatō ?
The ninjatō (忍者刀), ninjaken (忍者剣), or shinobigatana (忍刀), are allegedly the preferred weapon that the shinobi of feudal Japan carried. It is portrayed by modern ninjutsu practitioners (including Masaaki Hatsumi and Stephen K. Hayes) as the weapon of the ninja, and is prominently featured in popular culture.
A1. It's made of carbon steel. Unlike an ordinary katana made of wood, plastic, or PU, this product boasts high-quality material and was created by a skilled craftsman. That's why it's relatively expensive.