"KATANA" is generated from a "TAMAHAGANE".
Thus, the "TAMAHAGANE" is a key component for creating a MetaSamurai through the "FUSION" system.
If you have "TAMAHAGANE of MetaSamurai2", you can forge "KATANA".
*Once used, the "TAMAHAGANE" will be BURNED.
https://burn-katana.1block.world/