Katana is an optimized game-ready asset which you can use as you want.
Katana polycount - 5372 Triangles
Textures- Base color, Roughness, Normal, Metallic, Height.
License Agreement: You can use these assets for your personal or professional work. It’s prohibited to resell them or any part of it.
Support: I'm always here to help. If you need assistance or have any questions, please contact me at rencha404@gmail.com
Note: Blender scene is made for rendering but you can use it if you want.https://www.artstation.com/triangulated