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. Casting this spell creates only one bar, and cannot be cast upon noted ores. The ore amount required is the same as if you were smelting the bar in a furnace. The same Smithing level is required to superheat ore as the level required when smelting in a furnace. For example, your Smithing level must be 50 if you wish to superheat the ore for a mithril barand to superheat ore for a rune baryour Smithing level must be Smelting a bar that requires coal is a little different, for you cannot click on the coal rs3 superheat money making, but instead you must click on the primary ore for the bar that you wish to create. For example, to smelt a mithril baryou must click on a mithril ore in your inventory in order to superheat a mithril bar.