Difference between revisions of "Feruchemy"
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== History ==
Feruchemy came into existence contemporaneously with the other Metallic Arts, [[Allomancy]] and [[Hemalurgy]], as a result of the interactions between the planet [[Scadrial]] and its [[Shard]]s, [[Preservation]] and [[Ruin]]
During the Ascension of the Lord Ruler
Following the death of the Lord Ruler and the [[Collapse]] of the [[Final Empire]], the [[Synod]],
After the [[Catacendre]], the surviving Terris began to interbreed with the general population.
== Mechanics ==
Feruchemy is an end-neutral manifestation of Investiture that allows the user to convert certain attributes into Investiture and store
The type of metal determines what attribute can be stored within it. Pieces of metal that have been charged by Feruchemists are referred to as '''metalminds''' in general, or more specifically as the type of metal with an added "-mind" suffix. The act of charging, or Investing, a metalmind is referred to as '''storing'''
Ordinarily, a Feruchemist's stores are keyed to their [[Identity]] and are inaccessible to another Feruchemist. However,
=== Feruchemical Properties of Metals ===
====Unkeyed Metalminds====
An '''unkeyed metalmind''' is a special kind of metalmind that anyone with the relevant Feruchemical ability can access. They are created through manipulation of Identity, such as through aluminum Feruchemy. Whereas a conventional
====Unsealed Metalminds====
An '''unsealed metalmind''' is a special kind of metalmind that anyone can access.{{wob ref|2112|General Signed Books 2016|date=2016-01-26}}{{ref|group=fn|text=The [[Mistborn Adventure Game]] refers to these as "universal metalminds". Due to the potentially confusing nature of that term, and the fact that "unsealed metalmind" is a term from Brandon himself, the Coppermind uses the latter.}} The exact method of their creation is unknown, but
=== Interactions with Other Investitures ===
Perhaps the most dramatic interaction between Feruchemy and [[Allomancy]] is [[Compounding]], by which a Feruchemist can Allomantically burn a metalmind and dramatically increase the amount of the attribute stored. Effectively this uses the end-positive nature of Allomancy to use Preservation's power to fuel the end-neutral art of Feruchemy.{{book ref|mb1|epilogue}}
Following the Catacendre, and the emergence of Ferrings, it is possible for individuals to be born with a single Allomantic ability and a single Feruchemical ability. These individuals are known as [[Twinborn]]. When an individual's abilities share a metal, they are capable of Compounding. Even when they do not, however, the interaction between the two abilities creates an effect, known as a [[Resonance]].{{book ref|mb5|part=ars}}
It is theoretically possible to detect the use of Feruchemy using bronze Allomancy, as it can detect any kinetic Investiture, however it requires a "tweak" that is not currently known.{{wob ref|6113|''Shadows of Self'' release party|date=2015-10-05}} Part of the issue is that Feruchemy is a more internal manifestation of Investiture than Allomancy.{{wob ref|3417|/r/books AMA|date=2015-05-25}}
A [[Hemalurgic]] spike can be used as a Feruchemical metalmind, much like how multiple Feruchemists can store in the same piece of metal, as the charges are stored in different parts of the metal.{{wob ref|4617|Tor.com Q&A|date=2011-01-10}}{{wob ref|1143|17th Shard Forum Q&A|date=2012-09-26}}
An individual who has Feruchemy as a result of a Hemalurgic spike can access the metalminds of the Feruchemist who was used to create the spike, as the spike contains enough of the original Feruchemist's Identity. If that spike is split and implanted into
It is possible to use gold Feruchemy in order to heal the damage caused by Hemalurgy, effectively replacing the piece of the [[Spiritweb]] that was stolen.{{wob ref|983|Goodreads Q&A|date=2014-08-13}}
The earliest inspiration for Feruchemy dates to when Brandon was a teenager and had insomnia. He would lie awake at night and be really tired during the day, so he wished that he could store up his sleepiness so that he could be sleepy when he wanted to be sleepy.{{wob ref|8974|''Calamity'' Austin signing|date=2016-02-25}}
An early version of Feruchemy, then referred to as "Hemalurgy", appeared in [[Final Empire Prime|''Final Empire'' Prime]]. During the development of ''[[Mistborn: The Final Empire]]'', Brandon realized that Feruchemy would work very well as the magic system for Sazed and the Keepers, so he imported it into that novel and added the restriction of storing attributes in metal.{{annotation ref|mb1|chapter=22-1}}
The attributes stored in brass (warmth) and electrum (determination) were originally supposed to be reversed. By the time Brandon realized his mistake, brass storing warmth had already been canonized in released books. Brandon decided not to retcon this, citing the fact that Feruchemy operates on different principles than Allomancy.{{wob ref|5508|''Alloy of Law'' 17th Shard Q&A|date=2011-11-05}} Brandon also notes that the organization of the metals in the Feruchemical chart is of human invention.{{wob ref|1090|17th Shard Forum Q&A|date=2012-09-26}}
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