Superheat Item

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Superheat Item
Superheat Item.png
Released 24 May 2001 (Update)
Members No
Level Magic 43
Spellbook Standard
Type Utility
Experience 53
Runes 4Fire 1Nature
Casting speed 3 ticks
Description Smelt ore without a furnace
Superheat Item.gif
Sound Effect
Superheat Item icon (mobile).png

Superheat Item is a non-combat Magic spell that smelts ore into bars without a furnace.

It is cast on an ore in the inventory, requiring the Smithing level to smelt that ore into a bar. It cannot be cast on noted ore. This also requires the same amount of coal as standard smelting. Each cast yields 53 Magic experience along with Smithing experience from the bar that is smelted. The experience-boosting effect of the goldsmith gauntlets or Smithing cape is applied when casting Superheat Item.

Casting Superheat Item on iron ore with at least two coal always produces a steel bar, otherwise it produces an iron bar with a 100% chance of success. 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 178.71 coins per bar.

Cost[edit | edit source]

Spell cost
1Nature rune.png4Fire rune.png206
Combo runes
1Nature rune.png4Lava rune.png210
1Nature rune.png4Smoke rune.png682
1Nature rune.png4Steam rune.png674
1Nature rune.pngStaff of fire.pngAlt186
0.93Nature rune.png4Fire rune.pngBryophyta's staff.png192
Main and off-hands
1Nature rune.pngTome of fire.png186
0.93Nature rune.pngBryophyta's staff.pngTome of fire.png172

Cost effectiveness[edit | edit source]

Bar Materials Cost Experience Profit Profit/Exp
Magic Smithing Magic Smithing Total
1 Bronze bar.png Bronze Tin ore.png + Copper ore.png 326 53 6.2 −89 −1.68 −14.35 −1.5
15 Iron bar.png Iron Iron ore.png 313 53 12.5 −109 −2.06 −8.72 −1.66
20 Silver bar.png Silver Silver ore.png 237 53 13.7 −119 −2.25 −8.69 −1.78
30 Steel bar.png Steel Iron ore.png + Coal.png × 2 641 53 17.5 −215 −4.06 −12.29 −3.05
40 Gold bar.png Gold Gold ore.png 438 53 22.5 −354 −6.68 −15.73 −4.69
40 Gold bar.png Gold (gauntlets) Gold ore.png 438 53 56.2 −354 −6.68 −6.3 −3.24
45 Lovakite bar.png Lovakite Lovakite ore.png + Coal.png × 2 514[t 1] 53 20 −514 −9.7 −25.7 −7.04
50 Mithril bar.png Mithril Mithril ore.png + Coal.png × 4 966 53 30 −285 −5.38 −9.5 −3.43
70 Adamantite bar.png Adamantite Adamantite ore.png + Coal.png × 6 2,352 53 37.5 −375 −7.08 −10 −4.14
85 Runite bar.png Runite Runite ore.png + Coal.png × 8 12,648 53 50 −189 −3.57 −3.78 −1.83
  1. ^ Assumes the cost of Lovakite ore and bars is zero.

Uses[edit | edit source]

Superheat Item can be used to extend Mining trips by mining coal and the ore. Bars also weigh less than ore. For this method, it is recommended to equip a staff of fire, with a pickaxe and nature runes. Ore can also be brought to the mine to superheat while mining only coal. Without a coal bag, Superheat Item can save time transporting coal from the coal trucks, which will also requires ores to use. Repeatedly withdraw coal and cast Superheat Item.

It can also be useful when killing creatures that drop the ores and coal to save inventory space or earn Smithing and Magic experience while fighting.

Changes[edit | edit source]

Date Changes
21 August 2014
(update | poll)

Superheat and enchant jewellery spells will now queue up one spell if you cast them too quickly.

Trivia[edit | edit source]

  • Casting Superheat Item on a non-ore item, which fails, results in the chatbox message, You need to cast superheat item on ore. A spell splash animation will appear on the player.
  • Casting Superheat Item on an elemental ore, which fails, results in the chatbox message, Even this spell is not hot enough to heat this item.