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General Signed Books 2016 ()
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WeiryWriter

To what extent do the Shades of Threnody remember their lives? Silence’s grandmother appears to recognize her but on the whole Shades don’t really act like people. Kelsier however, the other main example of a Cognitive shadow, seems little altered from his living state.

Brandon Sanderson

Shades of Threnody are not as self-aware as other shadows.

FanX 2021 ()
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Questioner

Is Thaidakar a Cognitive Shadow?

Brandon Sanderson

Yes he is. Have you finished Rhythm of War?

Questioner

I have, yeah.

Brandon Sanderson

So you know who Thaidakar is, right?

Questioner

No. Does it say in the book?

Brandon Sanderson

No, but it calls him... It's Kelsier. They call him the Lord of Scars, someone else confirmed it, it's Kelsier.

Questioner

The "Lord of Scars" thing is what had us thinking, but we weren't sure if it was true.

Brandon Sanderson

It is Kelsier. He's been doing some stuff.

Dragonsteel 2022 ()
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Questioner

Can a Shard hold on to the Cognitive Shadow of a person for later use?

Brandon Sanderson

Yes, that can indeed happen.

Questioner

Without it being fully Invested?

Brandon Sanderson

You don’t have to fully Invest it, no. They would have to do some Investing shenanigans, but what you’re asking is quite possible, very possible.

So, for instance, let me give you a corner case. You might be asking: could Endowment send somebody back later than immediately after they have passed away? The answer would be “yes.”

I’m gonna tell you, I have no immediate plans to do that, but it is possible within the framework of the cosmere.

Teen Author Boot Camp ()
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Skaiiwalker (paraphrased)

What does Investiture look like in the Spiritual Realm?

Brandon Sanderson (paraphrased)

Er, I haven't said anything about that yet.

Skaiiwalker (paraphrased)

But is it important?

Brandon Sanderson (paraphrased)

Yes, it's important.

Skaiiwalker (paraphrased)

Could you say that it looks anything like mist?

Brandon Sanderson (paraphrased)

Well you could say that it looks anything like mist. *smiles teasingly*

Shardcast Interview ()
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Cheyenne Sedai

Given what happens at the end of the book, is Yumi immortal now? If not, does she age?

Brandon Sanderson

Her perception is going to influence this. She's going to need a small bit of power to persist, but she is so highly invested that it would take a very long time for that to be noticeable. Particularly because she's not even using that power. There's no out let for it. She's a Cognitive Shadow, much like the Heralds or Vasher, that is more self sustaining because of how highly she is invested. Imagine someone like Vasher with thousands of Breaths. You're just never going to notice. But her perception of herself will cause her to age. Probably not to age to the point that she dies though. Basically the answer is yes. You've got an immortal being running a noodle shop in a backwater corner of the Cosmere.

Shadows of Self release party ()
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Questioner

My theory currently on Spiritwebs is that they are-- when they exist on the Spiritual Realm a person exists as nodes connected between concepts, Physical makeup, and whatnot, that’s what makes up your Spiritual DNA.

Brandon Sanderson

Mmhmm.

Questioner

Is there a different set of nodes for each person or do they all kind of share?

Brandon Sanderson

You're kind of imagining it the wrong way, each person is a node.

Barnes and Noble Book Club Q&A ()
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Chaos2651

Is there a rationale to how Hemalurgic powers are distributed? I tried to look for a system, but they seem rather randomly distributed. For example, the spike which steals Allomantic powers for a particular quadrant is not always in one particular spot.

Brandon Sanderson

That is correct, it's not always in one particular spot. None of them are. I used as my model on this magic system the concept of acupuncture and pressure points. Placing a Hemalurgic spike is a very delicate and specific art. Imagine there being a different overlay on a human body, like a new network of nerves, representing lines, points, and 'veins' of the soul's spiritual makeup.

What is happening with Hemalurgy, essentially, is that you're driving a spike through a specific point on a person's body and ripping off a piece of their soul. It sticks to the spike on the Spiritual Realm. Then, you place that spike on someone else in a specific place (not exactly the same place, but on the right spiritual pressure point) and 'hot wire' the spirit to give it Hemalurgy or Feruchemy. It's like you're fooling the spiritual DNA, creating a work-around. Or, in some cases, changing the spirit to look like something else, which has the immediate effect of distorting the body and transforming it into a new creature.

Hemalurgy is a very brutal way of making changes like this, though, so it often has monstrous effects. (Like with the koloss.) And in most cases, it leaves a kind of 'hole' in the spirit's natural defenses, which is how Ruin was able to touch the souls of Hemalurgists directly.

Goodreads Fantasy Book Discussion Warbreaker Q&A ()
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Gordon

The paintings (I think there were at least two, right?) that remind Lightsong of his dreams and the Manywar etc. Is the Artist someone we know? If not, will we eventually meet him/her in a later book? Does the artist hope to affect Lightsong this way, or is it just some guy giving abstract art to his God?

Jared

Is the artist that painted those paintings Hoid?

Brandon Sanderson

Hoid did not make the paintings. The goal of those paintings—and this is spoilery, by the way—the paintings are actually what the text implies that they are. They are abstract paintings which Lightsong, having a touch of the divine, is able to see and read into things that aren't necessarily there.

Beyond that, art is a magical thing in the world of WARBREAKER. When an artist creates a work of art, part of the artist's soul ends up in the artwork. Someone who has many breaths and who's Returned like Lightsong has the inherent ability to see into the art and perceive that. So Lightsong can interpret correctly an abstract piece, based on what the artist is trying to convey, in a way that a normal person couldn't.

I was not trying to make the artists anyone specifically important. In the case of those paintings, they are wonderful artists—I think they are two separate artists, if I'm thinking of the two paintings that you're indicating. As Lightsong has a splinter of divine nature inside him, he is able to interpret the paintings—to foresee, using them, and to see into the soul of the person who made them.

Secret Project #3 Reveal and Livestream ()
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ArgentSun

The way Painter transforms nightmares into other things is reminiscent of the way spren are affected by perception - only much more extreme. Is perception (and the way the world is set up) the only important factor here, or is Painter using Investiture too somehow?

Brandon Sanderson

What's going on here is not Painter using Investiture really. It's the fact that the nightmares have less control over them from another source. Spren have an oversight from Honor, Cultivation, and Odium, and this is kind of leaving them less at the whims of other people's perception. The nightmares do not have that. I'm not going to say they don't have it at all, but Painter is not using Investiture, but the nightmares are specifically more susceptible to what's going on. So for instance, a good way to answer this is if he went and did this for a spren he would not have the same level of power.

Shardcast Interview ()
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Argent

If we are looking at very highly Invested beings, we have Yumi, and we are told that she is more Invested than Elantrians, more Invested than Returned. Let's compare Yumi, Elantrians, and Heralds. Who is most Invested, who is least Invested?

Brandon Sanderson

Of those, probably Heralds... The thing is, the Heralds varied. How in tune and aligned they are with their oaths, their promise... It wasn't Oaths, but they did promise certain things when they became Heralds. It was pre Knights Radiants, it's not as formalized as Oaths. How in line with the power of Honor, how in line with the kind of natural Investiture of Roshar--which is separate from Honor, Cultivation and Odium--are they, how can they draw upon that. I will call them the least of the three though.

Argent

So Heralds on the bottom, and Yumi on top, and Elantrians in the middle?

Brandon Sanderson

Yumi on top, but Yumi's very close to an Elantrian. They're within the same conversation. And most of the yoki-hijo were traditionally in the past less, they've gained Investiture over time.

Skyward San Francisco signing ()
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Questioner

Have we seen Kelsier outside of Mistborn yet, and will we see him outside of Mistborn?

Brandon Sanderson

No you have not. And RAFO, but realize, he is-- The way Investiture works, you would consider him similar to how you would consider a spren. It's gonna be hard for him to get off-world.

Questioner

It also means that he can still-- He gets kind of close, he gets really close--

Brandon Sanderson

I considered him still--

Questioner

Still on this side.

Brandon Sanderson

Yeah, but he got close to the line. But I would say he did not get off [Scadrial].

Questioner

So it's gonna be hard.

Brandon Sanderson

Yes.

Shadows of Self San Francisco signing ()
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Questioner

Is there a limit to the amount of useful energy that can be extracted from an end-neutral system? Like Skimmers on a Terris wheel on opposite sides.

Brandon Sanderson

So... Skimmers by making their weight lighter, spinning the thing around, and things and then--

 

Questioner

You got one on opposite sides--

Brandon Sanderson

Yeah you could totally do this. In my mind, the way I work this out is that it's no more-- having people do it and things like this-- yeah you could totally do that. The power for making this happen, you are drawing Spiritual energy into the Physical plane can power your motor. It's not power-negative, it's changing forms.

But in realistic terms that would be so much less cost-effective than other methods because Allomancers are expensive, but yeah you could just keep that going.

Questioner

Same with Lifeless? Telling them to push a wheel around?

Brandon Sanderson

Yeah, the sustenance for life is coming directly from the Spiritual plane. So if you remove that, it wouldn't work. The whole idea from this is that energy is getting recycled back into the Spiritual plane when people are dying and things like that, so...

The Hero of Ages Annotations ()
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Brandon Sanderson

Chapter Sixty-Four

"You did well, Spook."

Yes, that's Kelsier's voice at the beginning. As I said in a previous annotation, he can't help but meddle.

There is an afterlife in this cosmology I've built, and Kelsier's in it. He never has been able to leave well enough alone. He saw, here, that a piece of the puzzle needed to be put together, so he stepped in and tried to get through to Spook about it.

Spook was the only one in the crew he could speak to. That's because Spook truly has faith in Kelsier as a deity—which, for these few weeks between Preservation's death and the coming of the Hero of Ages, Kelsier is.

Orem signing ()
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Questioner

Why do spren appear on Roshar and nowhere else?

Brandon Sanderson

They do, but they're in different shapes. Seons are the same thing that spren are, for instance. So there are places where you will see them, it just is going to depend on how the worldbuilding is built and how the magic is channeled and things like that. 

/r/books AMA 2015 ()
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Boogalyhu34

Is the mist creature, that was seen through out the second Mistborn book, Preservation/the mists version of the Stormfather, which seems to be related to Honor/Highstorms.

Brandon Sanderson

You are on the right track.

Boogalyhu34

The aforementioned mist being was called a "shadow of self" in one of the original 3 MB books. Does this have anything to do with a book of the same name? The Stormfather also called himself a "shadow" of what Honor was, does this support my above theory?

Brandon Sanderson

The Stormfather would use the same language.

Rhythm of War Preview Q&As ()
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celestialwolf157

By the way, Kaladin's comment on Taln and Shalash's mental health makes me wonder: Are the Ten Fools based on the Heralds after they broke the Oathpact? Having 9 immortal, mentally ill people on Roshar for millenia seems like it'd have spawned some stories that could have eventually become stories of the Ten Fools. Taln wouldn't be included in this, but with Vorinism and the number 10, I imagine they'd have created something to oppose his virtues.

Also, I can't remember if this is confirmed or not, but on the topic of the Heralds' mental health, is it at all supernatural? Taln seemed to recover somewhat when Dalinar summoned the perpendicularity at the end of Oathbringer. So, is it just severe PTSD, or something supernatural is involved?

Brandon Sanderson

I've tried to make it clear in talking about the books that I separate what has happened to the Heralds and normal mental health. What they're suffering from is in large part supernatural--and has to do with the way souls (or Cognitive Shadows) work in the cosmere. So you are correct. This doesn't mean that some normal treatments wouldn't help them, but their core problem has a huge supernatural component.

And yes, there IS a relationship between the ten fools and the Heralds, though people on Roshar wouldn't be able to point it out.

mastapsi

Is the Heralds' madness related to and/or the same thing as the Fused's madness? The Stormfather mentions that each time one of the Fused is reborn, their mind is further damaged. Is it the same with the Herald? To many rebirths, possibly compounded by the fact that they not only often died each Desolation, but were tortured until the next one?

Brandon Sanderson

Yes, these two things are related. (There are some hints in Rhythm of War at how Hoid has avoided a similar fate.)

Note that the torture--and the many rebirths--are a big part of this. But their age is also a factor.

3DLightweaver

Does this mean that a certain Cognitive Shadow from the Mistborn series is fated to go insane?

Brandon Sanderson

Depends on a lot of factors. But the longer a Cognitive Shadow exists, the more likely these problems are.

dce42

Would this affect the Returned as well? What about those with a lot (like 8,000) breaths since they are not cognitive shadows.

Brandon Sanderson

Returned are Cognitive Shadows. In the Cosmere, there is no way to bring someone back to life, other than normal medical resuscitation, without using a Cognitive Shadow.

Stromeng

What about Dalinar? I thought he has had textbook PTSD, but the screams he continued to hear turned out to be magic.

Brandon Sanderson

Dalinar has a whole host of issues, not easily defined by a single definition. Assume, though, that his mental state is a normal response to, in part, supernatural occurrences.

The different for the Heralds is that they have conditions which could only truly exist in the cosmere, even if some of the manifestations and symptoms are similar to what could happen on Earth.

Stonewalker16

So is that implying that Hoid is a Cognitive Shadow, or is that just an effect of being really really old? Also does Vasher know about/how to avoid these effects? Probably an RAFO, but...

Brandon Sanderson

Come back to that question in about a month or so.

Miscellaneous 2021 ()
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Questioner: (paraphrased)

When it is said that Honor started to go crazy towards the end of the Knights Radiant, were those Knights seeing Honor as he was slowly dying, or were they interacting with a Cognitive Shadow of Honor, like how Preservation left Fuzz behind?

Brandon Sanderson (paraphrased)

RAFO

Shardcast Interview ()
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Comatose

Kind of a similar question about the Midnight Essence, now that we have seen that crop up in Tress as well as in Stormlight Archive. Is something similar happening with the Midnight Essence? We have also the nightmares, in Yumi, that appear similar, they're also mimicking things.

Brandon Sanderson

So, there's a couple of things getting interwoven here. The actual idea of Midnight Essence is a concept like Lightweaving that predates the Shattering of Adonalsium, that various magic systems are basically "borrowing" a law of the cosmere and creating a parallel effect from the same basis, if that makes any sense.

Yumi is a little distinct from that. It's feeling similar; I would not call it true Midnight Essence. It's an awful lot more like a Lightweaving that has--because Lightweavings can have mass to them, because investiture can have mass to it--so you're looking a little bit more like... imagine a bunch of Stormlight becoming tangible, you can touch it, because of a powerful Lightweaving or something like that. Of course, these things all bleed together because I'm using the same fundamental principles to make them. But, for me, Midnight Essence has this personality that comes prefixed. What the Midnight Mother is making, what you're seeing in the Midnight Sea and things like this, you're gonna get some similar personalities to these things, and not necessarily the same with the nightmares.

Comatose

So it's more of a autonomous-- a Lightweaving that's become autonomous and has kind of broken down a bit?

Brandon Sanderson

Yeah...  the problem is it's also got the Cognitive Shadow, right? It's a really invested Cognitive Shadow that is borrowing this Investiture to interact with the world. Because these are their shadows; these are their Cognitive Shadows, all of these people's Cognitive Shadows. But the power is not themselves. Remember, a Cognitive Shadow is a little bit like a fossil, like Vasher describes it. You've got this pattern there, and then the power kind of makes it manifest and be able to interact, and things like that. And, when that personality asserts itself with that power in the right place, you end up with a person that is the shadow running it. But at the same time, you've got this mass of power and energy that the machine is kind of controlling, which pulls back and overrides the personality sometimes. You've got a very weird set of circumstances going on here.

But it was very fun to figure out all the backstory and the behind on it, and get it all working. This one was a little complex, to get these things all working behind the scenes. I like how they turned out. Yumi, if you dig into it, it has both pluses and minuses. The minuses is - from the beta readers and the alpha readers - the ending for non-arcanists was really overwhelming, which is why we have those Hoid scenes where he's like, "Okay, let me explain." It seems pretty obvious, I would expect that this is, like, "Alright, Brandon needs to do better explanations, Hoid's just gonna do it." But, because of all the work I did behind the scenes on Yumi, Yumi matches kind of cosmerological magic system stuff in ways that a lot of the side projects that I do just don't. Yumi is very deeply intertwined and following all of these processes in a way that works really well for me. But it also gets you into where you start to need a master's degree in the cosmere to figure it all out, which is why to make it easier, we have Hoid just spell it out for people. It is a little clunky; I prefer the clunkiness to the previous version where you needed a master's degree in the cosmere to understand even what was going on.

Dragonsteel 2023 ()
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Illuminarrator (paraphrased)

Is there an Awakening Command that could stick a Cognitive Shadow to a corpse? 

Brandon Sanderson (paraphrased)

Yes, but that would be a bad way to do it. You'd need something more. 

Illuminarrator (paraphrased)

More Investiture? 

Brandon Sanderson (paraphrased)

Not necessarily. The body at that point died because something happened to it, plus it started decomposing. You'd need to do something to it to really get the Cognitive Shadow to stick.

Illuminarrator (paraphrased)

like a Hemalurgic spike?

Brandon Sanderson (paraphrased)

That's one way to do it. 

Illuminarrator (paraphrased)

Oh! To follow up... because Regrowth is Spiritual... if a Cognitive Shadow was Awakened into a corpse, then healed with Regrowth, would the body be healed to appear like the Cognitive Shadow's body?

Brandon Sanderson (paraphrased)

No, it would heal... wait, yes, Regrowth would heal based on the Identity of the Cognitive Shadow attached to it. 

Emerald City Comic Con 2018 ()
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Questioner

In the cosmere we've seen Investiture manifest in different ways all across the systems. So I was wondering, when it comes to the powers of Dalinar, is it possible for that power to open a Perpendicularity anywhere, say on Scadrial or any different planet? In a different way, where you could potentially combine all the Realms, open the doors for the Realms.

Brandon Sanderson

Let me say this very carefully. I'm being recorded now... Any time where you gather the right amount of Investiture in the right way, you are going to have kind of a version of a cosmere singularity, right? Which is where you are pulling the different Realms together into a kind of-- you are piercing between them with a large amount of Investiture. So what's happening with Dalinar is both the bug and the feature at the same time. But it is not necessarily the only way. And once things are kind of, once the Spiritual Realm is being involved, time and space don't mean anything anymore on the Spiritual Realm. That's your answer.

Firefight San Francisco signing ()
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KiManiak

Do some Surges have a stronger cognitive aspect--or cognitive influence, if aspect is too general--do some have a stronger cognitive aspect than others? For instance does Illumination tend to have more of a stronger cognitive--

Brandon Sanderson

Yeah you could say that some do. I think that that is a legitimate-- Though I'd say it is the subject of debate.

Arcanum Unbounded release party ()
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Questioner

Given Sanderson's Laws about limitations...

Brandon Sanderson

Yes.

Questioner

What would you say are any spiritual, cognitive, and or physical limitations to a Returned's healing ability?

Brandon Sanderson

That they can do it once.

Questioner

That they can do it once, and that's it?

Brandon Sanderson

Yeah, right? The Returned get one heal and then they die. That's a pretty big limitation. Like you have to choose really well. However, what they can heal is bounded by cosmere limitations on healing, but it is a supercharged version.

Questioner

Okay. Could you define more cosmere limitations on healing?

Brandon Sanderson

Cosmere limitations on healing can be affected by your own perception.

Questioner

Okay. Cognitive stuff.

Brandon Sanderson

Cognitive stuff. And so there's a part of that, and... But that's really-- cognitive interferes. And if your spirit is gone? Right? Cosmere healing, you know, if your spirit is passed on you just get a dead body even though you've healed it.

Questioner

So potentially Vasher, having a much greater cosmere knowledge than others could potentially have a much greater usage of that healing than regular--

Brandon Sanderson

Well the healing-- What I mean by that is yourself. You impose limits. So the person being healed can impose some limits on the healing working. It doesn't happen as often as I'm making it sound. But, you know-- why Kaladin's scars have not healed, right? So Kaladin being hit by a Returned would still not heal his scars. He's got a major hangup about those scars.

Footnote: The questioner seems to have been asking about cosmere healing in general for Returned, but Brandon focused on their ability to give up their Divine Breath to heal somebody else.
Dragonsteel Mini-Con 2021 ()
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Questioner

In your books, you have some pretty powerful healing magics, and we've also seen some characters sustain some pretty traumatic brain injuries. The human brain stores information as electrical connections, right? So if you blew a part of it out, you could grow it all back, but those connections wouldn't really be there. Have you considered that?

Brandon Sanderson

I have. This is why you will see memory... So, Cognitive Shadows maintain a person's memory. And your Cognitive aspect, your Invested self, maintains your memory in the cosmere. This is why you will also see people's memory being edited by accessing some of the Investiture. You'll see this in Warbreaker; you saw this in the end of Rhythm of War. Your Cognitive self, your Invested self, keeps a duplicate of all your memories. So this allows very significant trauma to the Physical sense; as long as the Cognitive sense is still attached to that body, those memories will be reimplanted in the Physical self, or will be accessed. And this was just necessary for me to even have things like what happened with Raoden in the beginning of Elantris, and for ghosts to exist, and things like that. It actually works pretty well, because it lets me use it to edit people's memories by accessing their Investiture.

And one of the other things that's going on here is: if you have more Investiture, you can remember more, and better. But then that's dangerous, because it's a lot easier to access that Investiture. And it's a lot harder to notice when it has been edited. Hmm.

Calamity release party ()
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Questioner

So... that's "[Aon] Ire"...

Brandon Sanderson

Yes, it is.

Questioner

...and that's the symbol for Ire in Secret History.

Brandon Sanderson

Yes.

Questioner

I was wondering if-- Is this just an in-world depiction of an out-world symbol, or does this actually have some kind of metalurgic value?

Brandon Sanderson

Isaac?

Isaac Stewart

Yes.

Brandon Sanderson

<I may> refer to Sir Isaac.

Questioner

Alright, thank you very much.

So the question is...

Isaac Stewart

Okay.

Questioner

So this is the symbol for "[Aon] Ire".

Isaac Stewart

Mhm.

Questioner

And this is the symbol in Secret History for the part called "Ire". And what I'm wondering is... Is this just an in-world representation of an off-world symbol, or is there some kind of metalurgic... in-world meaning to the symbol outside of it. They're just too close to be coincidence.

Isaac Stewart

There is a... Obviously there's a relation between the two. I would say that, as far as we know, there is no <metalurgic> connection.

Questioner

So as far as we know there is no metalurgic connection, but that could change in a future book. Potentially. Or not. That's all you got for me?

Isaac Stewart

Um... I'm trying to figure out what I should say <about it>. And I think... The first thing is obviously they aren't on the planet that they ought to be on.

Questioner

Obviously. I mean, not even in the Realm that they ought to be in.

Isaac Stewart

Right. And so... It's more symbolic of "this is not in the Realm that it ought to be, but it's taking on attributes of the Realm that it's in."

Questioner

So the Realm that it's in is Shadesmar. But it's more near the Scadrial...

Isaac Stewart

It's the Scadrial edge of Shadesmar.

Questioner

And so it's taking on attributes of that area that it's not supposed to be in but it is in.

Isaac Stewart

Right.

Questioner

Okay. 

Isaac Stewart

There may or may not be intersignificance *inaudible*.

Questioner

I will pay attention to that.

Isaac Stewart

Pay attention. We may-- we may do something with that. It may just be a fun little thing.

Questioner

A fun little thing just there, right. So for now it's at least an interesting in-world representation of an off-world thing, but it might at some day be *inaudible*. Cool!

General Reddit 2019 ()
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dark-winter-knight

What is the difference between a person's Spiritweb and their spiritual DNA? Is there a difference?

Brandon Sanderson

Soul, generally used in the cosmere, is a spiritual or philosophical term. It refers to the part of a person that continues to exist after death, or to the "being" of the person in a philosophical term.

A Spiritweb is a measurable, quantifiable thing in the cosmere. (Granted, it's not easy to do either to one, but it can be done.) It is a scientific term, though because the cosmere hasn't reached modern scientific understandings yet, there is a lot of overlap between science, philosophy, and spirituality.

This way, acknowledging that a person has a Spiritweb does not require an atheist/humanist to affirm religious ideas or concepts--like acknowledging that the Vessels/Shards exist does not require also affirming that a capital G God exists.

The separation of the two is necessary to allow people like Jasnah to not be undermined by the text. It wouldn't be right of me to work for having representatives of viewpoints contrary to my own if the very foundation of the magic systems and physics proved them wrong.

So, in short, you can measure a Spiritweb. Whether a person actually has a soul or not (even in the cosmere) is subject to your own personal philosophy on the idea. Even ghosts and other persisting personalities after death, like certain individuals who shall remain unnamed, have a very real and rational magic system explanation for their existence.

aravar27

Is a Cognitive Shadow essentially Investiture filling in the molded pattern of a Spiritweb to the point where it resembles the initial person?

I'm interested in the implications with respect to personal identity--the "soul" would be one of the competing answers for the question "what am I," but some argue for psychological continuity and others for biological continuity. A Cognitive Shadow seems like it might better fit the Psychological Criterion, since it seems like Investiture replaces the biological body as the source of living and experiencing things.

Brandon Sanderson

You're getting into things that are subject to debate among people in the cosmere. Most shadows would insist that they're the same person. Others would dispute this, saying they're essentially a spren--a bit of the power that came alive like you said, taking on the personality of the person when the person themselves died.

BipedSnowman

Like uploading a brain to a computer. Made of Investiture.

Brandon Sanderson

A fitting analogy.

Aurora_Fatalis

Does it matter what kind of power it was that filled the gaps? Like, if you were a normal human and made a Cognitive Shadow fueled by AonDor, would you be more able to "possess" a modern computer than if you were made a Cognitive Shadow by - say - Odium?

Brandon Sanderson

This can matter. Shades from Threnody, for example, work differently from Returned, who are different from Heralds. But all are Shadows.

Orem signing ()
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Questioner

Can spren die?

Brandon Sanderson

Yes, spren can die.

Questioner

Okay, so Syl, she's been around for at least a few thousand years, right?

Brandon Sanderson

Yes.

Questioner

How does she forget her memories? Is it in connection to humans that makes it so she remembers things?

Brandon Sanderson

Yes.

Questioner

And she's what, a Bonding Spren?

Brandon Sanderson

You will find out. She's an Honorspren, but you will find out.

Zas

Is that bond the Nahel bond?

Brandon Sanderson

There is a certain amount of... It is a symbiotic bond that is gained by Syl. And things gained by the person bonding. And the stronger presence in the physical realm, and the ability to think better in the physical realm is a part of that bond. She is mostly getting [something] of the physical realm. Without the bond, it is very hard for her to think in this world.

Questioner

Because she's windspren?

Brandon Sanderson

That's part of it. That's part of something else.

Bonn Signing ()
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Questioner

Since you have basically established that spren are at least to some extent alive, how is it possible for a Shardblade to not cut right through a living weapon, like Syl for example.

Brandon Sanderson

What you are seeing is: when they are pulling through into the Physical Realm they are creating something that is not 100% physical, not 100% metal, it's like an amalgamation of the two. And that is doing something very special that then prevents other things from cutting through it. It's specifically the way that it's happening. You could make this happen with other things too.

Another big part of it is the amount of Investiture. If something is highly Invested it's going to stop a Shardblade too, because the Investiture is gonna kinda bounce off of each other. It's theoretical, for instance, you could make a Hemalurgic spike that would stop a Shardblade...

So, Invest something highly and it will stop a Shardblade almost always. But, you can cut souls; they are highly Invested also. So you need something in the Physical Realm that is pulling power through from the other Realms.

Arcanum Unbounded Seattle signing ()
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Questioner

*inaudible*

Brandon Sanderson

Yeah the Divine Breath is a gift of Investiture directly to the...basically they are being given a large Splinter of Endowment.

Questioner

But is it the size?

Brandon Sanderson

The size is important, to make that happen, yeah.

Questioner

To make it happen?

Brandon Sanderson

To make it happen, yeah. To make them come back and to do the things but...there is obviously some leakage there when they basically taking a Cognitive Sh...they have to create a Cognitive Shadow of the spirit, right. Which requires some work, and then to push that back into the body and get it to stick requires some work as well. You'll see that with Szeth it isn't sticking very well.

Questioner

*inaudible*

Brandon Sanderson

Yeah Szeth is not a Cognitive Shadow, he actually got stuck back in but the soul is not sticking very well to the body

Questioner

*inaudible*

Brandon Sanderson

That's what she's saying.

17th Shard Forum Q&A ()
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Kurkistan

Do Breaths inherently possess the ability to interpret and carry out commands, or does the Awakener need to impart that decision making ability on Awakened objects?

If the Awakener does need to impart the decision-making ability, then does Awakening consist of an Awakener copying a portion of his/her Cognitive aspect (as determined by his/her visualization and verbal Command) onto the Cognitive aspect of the object being Awakened, with Breath then providing the "juice" for the object to actually follow its Command: powering both physical motion and "cogitation" based upon the copied Cognitive aspect?

If so, is that copying what drains color?

Brandon Sanderson

You're very close here.

Stormlight Three Update #6 ()
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Oversleep

I have a philosophy question that could actually be answered in cosmere:

Ship of Theseus in cosmere. If I went and replaced every part of the ship, would it still - Cognitively - be the same thing?

What if I replaced everything and made a second ship out of the parts from the first one? What could somebody watching all of that from Shadesmar tell me?

Brandon Sanderson

You're right, part of the design of the cosmere (which has some deep roots in classical philosophy) was an attempt to answer the Ship of Theseus question.

In the cosmere, part of the Cognitive--and even spiritual--aspect of a thing (particularly if it isn't sentient) is delineated by the way that thinking beings define it. Per the old joke about the axe, if you replace your axe head and think of the new axe as "Your Axe," then the cognitive and spiritual aspects of that thing will grow to reflect that.

If you replaced every part of your ship, and gave the sailors time to sail it, thinking of it as the same ship--it would become the same ship.

Firefight Chicago signing ()
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Kurkistan

You've said that the the laws of physics in the cosmere are ours except where they're messed with by the Spiritual... But are the laws of physics actually in the Physical Realm all the time, or are they in the Spiritual Realm doing their stuff on a Spiritual level that's trickling down to the Physical as a matter of course?

Brandon Sanderson

The three are more closely aligned than-- *Breaks off to focus on the books he's signing, the speaking was distracting him*

Kurkistan

So you were saying that physics-- laws of physics-- that the Realms are a lot more closely bound and the laws of physics are not just tied to one of them?

Brandon Sanderson

Yeah.

DragonCon 2012 ()
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Trae Cooper (paraphrased)

Why are Invested objects like metalminds and Hemalurgic spikes able to be Pushed and Pulled on, but Shardblades and Shardplate, which are also invested, are not susceptible to Pushing and Pulling?

Brandon Sanderson (paraphrased)

There were a few concepts that he outlined in answering this question.

1.) The ability to Push/Pull an Invested object is predicated to the amount/power of the Investiture.

2.) Further, Invested objects also gain resistance to pulling/pushing based on proximity to soul possibly via the soul. An example given is that a Hemalurgic spike touches the blood of the person, and from there is now part of both the Spiritual Realm and the Physical Realm. This provides what Brandon termed a kind of "soul interference," based on its proximity to the soul.

This further explains why Vin required more than normal power to Push/Pull the metalminds from the Lord Ruler, because of their proximity to his soul, via the Spiritual Realm.

3.) The amount of Investiture is relatively low on Scadrial, whereas worlds like Sel and Roshar are pushing around "high power" according to Brandon. I interpreted this to mean that Hemalurgic spikes and metalminds have low amounts of Investiture compared to Shardplate and Shardblades.

Brandon said that theoretically you can Push/Pull Shardblades and Shardplates but you would need to wield an incredible amount of power. One example he gave that could so such as a thing is that if you were a Mistborn wielding the full power of the Well of Ascension, you could Push/Pull Shardblades/Plate.

Salt Lake City signing ()
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Chaos

Is atium Invested?

Brandon Sanderson

Is atium Invested? Atium is Investiture distilled into the Physical Realm, right? So is electricity electric? Or is it--

Chaos

Well I think the question Sharders had was if it's Invested, how can people Push and Pull on it. That was the struggle.

Brandon Sanderson

Atium breaks a lot of rules, in the same way that you will see other things break rules. Atium plays weirdly. When you get distilled Investiture, you're starting like-- My kind of rule for myself is it's kind of like when you start going on the quantum level, the rules just start playing weirdly. Because it's like, what Realm does atium exist in-- is another thing. Because-- Pure Investiture like that is like a mini black hole, right? It's like existing in three Realms at once. Kind of, and things like that... There's lots of weirdness.

The writerly answer is there is lots of weirdness because when I built atium, I didn't have the rest of the cosmere built, right? And so it breaks a lot of rules that I later set up that everything else has to follow, right? So the writerly answer is we just have to accept that atium and lerasium and some of these other distilled Investiture things are going to play very weirdly with the magic systems. But that's okay. Nightblood will too, and some of these things that were built even after the cosmere was coming together.