Superheat Item is a non-combat Magic spell that smelts ore into bars without a furnace. ... This is comparable to a ring of forging, used to increase the furnace smelting rate from 50% to 100%. Assuming a staff of fire is used, it is more profitable to use a ring of forging by 183.37 coins per bar.

Can you make money with superheat item?

Superheat item can free up inventory space by using up coal to create bars. Eventually, a near-full inventory of bars can be banked. It is argued that it is most beneficial with iron as it gives 100% success (instead of 50%), so this means fewer mining/bank/furnace trips.

How do you use superheat in Runescape?

Superheat Item is a non-combat Magic spell used to smelt ore without a furnace. It can be used by both free and member players. It takes four fire runes and one nature rune to cast. Fire runes are not needed if wielding a fire, lava, or steam staff.