Possible epigraphs mistake? (Hero of Ages)

[Y F-N she/her]

From the epigraph for chapter 36

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Spikes made from other metals steal Feruchemical abilities. For example, all of the original Inquisitors were given a pewter spike, which—after first being pounded through the body of a Feruchemist—gave the Inquisitor the ability to store up healing power. (Though they couldn't do so as quickly as a real Feruchemist, as per the law of Hemalurgic decay.) This, obviously, is where the Inquisitors got their infamous ability to recover from wounds quickly, and was also why they needed to rest so much.

The ability to store up healing power is feruchemical gold, which is a Hybrid feruchemical ability (along with electrum, cadmium, and bendalloy). Pewter spikes are supposed to steal Physical feruchemical abilities (iron, steel, pewter, or tin). Hybrid feruchemical abilities, such as the ability to store healing power, are stolen by gold spikes. My source for all of this is the coppermind.

[JustQuestin2004 he/him]

1 hour ago, Y F-N said:

From the epigraph for chapter 36

The ability to store up healing power is feruchemical gold, which is a Hybrid feruchemical ability (along with electrum, cadmium, and bendalloy). Pewter spikes are supposed to steal Physical feruchemical abilities (iron, steel, pewter, or tin). Hybrid feruchemical abilities, such as the ability to store healing power, are stolen by gold spikes. My source for all of this is the coppermind.

Yep, it was a mistake that was fixed later. You can see it on the Pewter page on the Coppermind.

[Treamayne]

8 hours ago, Y F-N said:

From the epigraph for chapter 36

The ability to store up healing power is feruchemical gold, which is a Hybrid feruchemical ability (along with electrum, cadmium, and bendalloy). Pewter spikes are supposed to steal Physical feruchemical abilities (iron, steel, pewter, or tin). Hybrid feruchemical abilities, such as the ability to store healing power, are stolen by gold spikes. My source for all of this is the coppermind.

6 hours ago, JustQuestin2004 said:

Yep, it was a mistake that was fixed later. You can see it on the Pewter page on the Coppermind.

JQ answered, but here are the references:

Spoiler

Pewter on the Coppermind:

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1.  The early editions of The Hero of Ages said Feruchemical healing was granted by pewter spikes,^[18] even though the Hemalurgy table says pewter spikes only give Physical Feruchemical abilities.^[19] Brandon indicated that pewter spikes could steal from the hybrid quadrant as well.^[20][21] However, later editions of the book changed the pewter spike mentioned to a gold spike and added an additional mention to a gold health spike in chapter 5.^[22]

WoBs:

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Brandon Sanderson (paraphrased)

As it turns out, there is an error in the Feruchemical table when Brandon put it in Mistborn 2. If you look closely, Determination (electrum) doesn't belong in its group. The group that it is in is obviously more physical powers. Determination was supposed to be a mental metal, and Warmth was supposed to be in that Physical group. He just made a mistake originally. But it turns out that Feruchemy obeys different rules than Allomancy, so Brandon isn't retconning it, but saying that Feruchemy works differently now. Apparently there was going to be a table of Feruchemy at the end of Alloy of Law, but it wasn't ready because Isaac kept thinking like an Allomancer. Feruchemy has its own rules (for example, Brandon confirmed that pewter does steal Feruchemical health, probably because that second group of physical Feruchemical powers are also "physical", so pewter can steal them.) Hemalurgy also obeys different rules.

Alloy of Law 17th Shard Q&A (Nov. 5, 2011)

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Questioner (paraphrased)

Are the usual quadrants (Physical, Mental, Temporal, Enhancement) preserved in Feruchemy and Hemalurgy?

Brandon Sanderson (paraphrased)

No. In Feruchemy, it is based Realmatically. There is a quadrant of Spiritual, a quadrant of Cognitive and two quadrants of Physical.

Alloy of Law release party (Nov. 7, 2011)