Difference between revisions of "Smelt Natural Metals (sage ability)"
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Revision as of 20:40, 8 February 2025
Smelt Natural Metals is an amateur-status sage ability in the study of Alchemy, which grants the character a rudimentary understanding of extracting metal from naturally occurring ores. This knowledge is primitive, relying on techniques that date back to the Bronze Age rather than the more advanced metallurgical methods of the 16th century. The process is crude and inefficient, requiring a small clay or stone furnace, a steady supply of charcoal, and a means of producing high, sustained heat, such as a manually operated bellows.
Contents
The character is capable of recognizing surface-level deposits of metal-bearing rock, particularly those containing copper, tin, lead or iron. Once gathered, the ore must be broken down and roasted to remove excess impurities before being heated to a sufficient temperature for smelting. Without precise tools or a controlled environment, the results are unpredictable; the yield is often low, and the extracted metal is of rough quality, requiring further refinement to be useful in most applications.
Smelting under such conditions is time-consuming, typically requiring several days to gather enough ore, prepare it and maintain a fire hot enough to extract usable amounts of metal. The character may, with great effort, produce small ingots or lumps of crude metal, suitable for simple forging or trade with a more knowledgeable smith. However, without further refinement, the results lack the strength and purity needed for advanced tools, weapons, or armour.
Tools & Method
The character is not granted knowledge in how to manage and maintain a forge, nor do they possess the expertise required to operate advanced metallurgical equipment. Instead, their understanding of smelting relies on simple, ancient techniques, requiring only a handful of crude but effective tools.
The most essential component is a small clay or stone furnace, typically a pit or a dome-like structure made from packed earth, clay, or rough brick. This primitive furnace is designed to contain and concentrate heat but lacks the sophistication of a true forge. Heat is generated using charcoal, which must be consistently fed into the fire to maintain a high enough temperature to separate metal from ore.
To increase the intensity of the fire, a hand or foot-operated bellows is required. This is usually made of wood and leather, allowing the character to direct air into the furnace, though it is physically demanding and requires constant effort. In some cases, a simple blowpipe or reed tube may substitute for a bellows, though it is far less effective.
A stone or clay crucible is necessary to hold the metal-bearing ore as it is smelted. This small, fireproof vessel is placed within the furnace and heated until the metal begins to separate from the rock. The character must then carefully extract the molten or softened metal using clay tongs or wooden sticks, crude implements that offer only limited control over the process.
Once the smelting is complete, the character requires a stone or metal hammer to break apart slag and free the metal from impurities. A simple mould or sand bed may also be used to cast the metal into small, rough ingots, though without the precision of a forge, these ingots will be impure and unsuitable for fine work.
| Metal | Yield |
|---|---|
| adamantite | 1 - 2 |
| antimony | 1 - 4 |
| bismuth | 2 - 6 |
| copper | 8 - 16 |
| gold | 0.5 - 0.2 |
| iron | 12 - 32 |
| lead | 10 - 24 |
| mercury | 2 - 6 |
| mithril | .5 - 3 |
| nickel | 1 - 3 |
| silver | 0.2 - 0.8 |
| tin | 4 - 10 |
| zinc | 2 - 6 |
Yield
Small amounts (less than 8 ounces) may be produced in the character's laboratory, but proper manufacturing will require the creation of a foundry. Those metals that can be smelted include impure placer deposits of gold, silver and copper, as well as their ores, along with tin, lead, iron, mercury, antimony, bismuth, chromium, cobalt, manganese, molybdenum, nickel, platinum, tungsten, vanadium and zinc. Other metals, particularly adamantium or mithril, require a greater level of knowledge.