Using this Nichirin sword is easy. First, make sure it's properly set up on the stand. To play the sounds, just follow the simple instructions on the control panel. You can choose different sound modes to enjoy various audio from the show. When using it, avoid dropping it or hitting it against hard objects as it may damage the sword. To keep it in good condition, clean it gently with a soft cloth. Don't expose it to extreme temperatures or moisture. If there are any issues with the sound - playing function, check the battery and connections. Enjoy your Demon Slayer experience with this awesome sword!