Hihiirokane

Hihiirokane (Hihi'irokane) is a red/orange fantasy metal obtained from Hihiirokane Ore.

It is used for swords. The sword comes essentially comes with fire aspect, igniting any target hit with it.

Hihiirokane is from japanese mythology in which it is generally depicted as harder than diamond, resistant or immune to rust, an excellent conductor of heat (or even a  generator  of heat), and an even better conductor of souls, emotions or spiritual energy