Introduction: The driving force behind this thread/post were two quotes in TTH. K'rul's statement that he is the prize in the war amongst the pantheon, and Gothos' quote that it did not matter whether the dragons' blood in the Elder's area was from a live or dead dragon.This post/thread will be seperated into 3 parts:
1. What are the warrens? This section will discuss the foundation of the warrens, and their role in Wu.
2. How do the warrens function as a system? This section will discuss how the warrens function as a system of magic for Wu as a whole and how they tie together.
3. How does a warren work individually. This section will mostly be based upon another persons post, and will discuss the mechanics of a sorcerous unveiling of an individual warren.
I: What are the warrens?
We know that the warrens are the main system of magic for Wu. In fact, Pedantic War Bear's adamant statement that Semar Dev is in fact a user of Burn could mean that all magic in Wu is through the system of warrens.
A. K'rul: The architect of the system.
GotM 443: K'rul & Raest
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MoI 214-215: Lady Envy & K'rul
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Visions flooded her mind, staggering her. Darkness. Then chaos, wild unfocused power, a universe devoid of sense, of control, of meaning. Entities flung through the maelstrom. Lost, terrified by the birth of light. A sudden sharpening - pain as of wrists opened, the heat spilling forth - a savage imposition of order, the haert from which blood flowed in even, steady streams.... And the blood - the power - now sweeping in currents through veins, through arteries, branching out through all existence.... Those veins, those arteries, they are the warrens.
....You are a sorceress. By Light's Wild Mane, your power feeds on the very blood of my eternal soul...
So, we have the foundation for the magical system. The Elder God, K'rul, fashioned order out of chaos in Wu by making of himself a system of magic. That system is the system of warrens, and is comprised of two parts, K'rul's flesh and K'rul's blood.
B. The flesh:
MOI: 215, Lady Envy
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MOI: 27 & 90
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A warren to hold all of his? Draconus asked in horror....
'Do not hint at injustices High King! I possess enough of Nighchill's memories to recall the Imperial Warren - the place that you once ruled, Kallor, before the Malazans made claim to it.
So, whenever we see someone, or say even 11 Skykeeps floating through a warren, they are moving bodily through the physical realm of a warren, which is contained within K'rul.
C. The blood:
The blood simple enough, anytime a person accesses their warren to use magic, they are accessing an artery of K'rul and using that individual warren to shape what they want to happen.
II: How do the warrens function as a system?
The analogy is made time and again throughout the series between the circulatory system of humans and the system of warrens in K'rul. We will discuss the two componant systems, first the arteries and veins, and then onto the heart.
A. The arteries: Or what we see magicians and sorcerors using in Wu.
TBH: 65, Cotillion and the 3 dragons
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So that makes sense, each warren/artery has its own individual flavor, allowing for the distinction amongst the warrens. When a user of Thyr accesses his warren, he goes straight to K'rul's artery that corresponds with K'rul.
Errrr, okay, that makes sense, but what's with the dragons?
The dragons are Robin to K'ruls Batman:
TBH: 66
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The dragons provide both the flavour and the power. But how do they provide the power... the dragons inevitably lead to:
B. The heart: Or the power plant to the whole she-bang
MoI 214-215: Lady Envy
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RG 787: Menandore
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Go here for a very interesting read on the fundamental nature of K'rul's heart being Stavald Demelain (Chaos) and Kurald Galain (Order) being one of diametric forces and perhaps being the power pump to get the blood circulating through K'rul.
C. The veins: Or a venture into the realm of speculation on how dragons are the link between Wu and K'rul's warren system.
So, we know that the arteries are K'rul's warrens, and are flavoured by different dragons who could be deemed as the spokespersons for each warren. We know that K'rul's heart is composed of the two eldest warrens, and powers the blood (magic) from heart through artery (warren) to an individual magic user. How does it get back?
RG: 416, Mockra & Seren Pedac
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'K'rul realized he could not do this alone. The sacrifice, the opening of his veins and arteries, would mean nothing, would indeed fail. Without living flesh, without organized functionality.
'Ah, the warrens, Seren Pedac, they are a dialogue.'
'Dialogue. Presupposition, yes, of the plural. One with another. Or succession or succession of others, for this dialogue must be ongoing, indeed, eternal.'
'As K'rul understood, the blood flows out, and then it returns. Weak, then enlivened. Round and round.
So, the blood goes in and out, for the system to keep working. In addition, there must be living flesh in the system for it to function. Obviously the flesh has to be something inside the system, and not without, so individual warren users would not suffice as the living flesh component of the system.
Who then, or what, comprises the other end of the dialogue? Who is the living flesh that is the other half of the system? I believe I stated it earlier: Robin.
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RG: 549, Hedge
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Including the descruction of the warrens.
It's the blood, you see. The blood of dragons. Outside and inside. Dead and living.
Why would K'rul compel the dragons to return? There need to be dragons on both the inside, the chamber/Starvald Demelain, and outside the system, Wu.
I imagine it works like this: the dragons outside the chamber allow for the accessing of the warrens by individual magic users, while the dragons in the chamber, all dead, bring the magic back to its source, Starvald Demelain, where it is then repowered through the blood of the dead dragons.
What's all this mean? Well, remember good old Sorrit, the dragon impaled by a otataral shard in TBH, the one killed by Edur for no apparent reason. Edur, who were under control of the Crippled God? If you kill all the dragons outside the system, the accessing of warrens would become impossible. Why is Emroth going to the Gate? To destroy it so that the blood can't be reenlivened by the dead Eleint, therefore destroying the warren system by taking away its efficacy.
I would question why the Soletaken Eleint, drinkers of Tiam's blood, would want to force all the Eleint back into Starvald Demelain if the removal of all of them from outside would destroy the warren syste? Perhaps we know now why Rake didn't kill all the Eleint, and left some to live.
Where is Tiam, mother of dragons? I think Tiam is K'rul's shaved knuckle in the hole. Tiam, who cannot be killed, gives birth to eleint. She could be used to repopulate the system if it ever begins to fail catastrophically. Remember, the
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On the note of the difference between Elder and Younger warrens, Holds and Houses, I would say this: K'rul is the foundation and body of warrens with dragons providing the power system. As K'rul is immortal, he doesn't have to die for evolution to take place within the autonomous sections of himself that he has created. I would say that the evolution has progressed from Holds to Houses and therefore from Hold magic (the power of one's own blood, or another's blood) to House magic and the more refined use of dragon's blood as a more efficient and efficacious use of a warren.
Third: How does the individual accessing of a warren work?
Here, I will step back for another post made approximately a year ago ,in this thread, if you would like to read it unedited, which I think presents a very good explanation for how it works.
cerveza_fiesta;215585 said:
Ok, I'm going to break into fluid mechanics for a bit here (I'm an engineer)....
I take "unveiling" in its literal meaning --to remove a covering or to reveal. When a mage unveils his warren, he's just using his body as a conduit to expose or "unveil" one of those existing links and allow power to course through him. Once uncovered, the magical connection made between warren and physical world (through the mage) leaks power like a punctured tire leaks air. The will of the mage in turn allows him to shape the forces of that warren into a bolt of death / invisibility cloak / fireball / tumbling crashing wave of destruction / etc...
When rituals happen, 1 or more mages find several of the connections between warrens and the physical world and "tie" them together to form a more powerful bolt of death / blah blah see above. Finding these connections and weaving them takes time however as seen with the letherii rituals.
In areas where magic does not work, its usually because some serious magical sh*t has gone down at that location in the past, using the natural links between the warrens and the physical world past their respective breaking points. This creates an area where a mage can't access his warren because all the connections between the warrens and the physical world are burned out. An example of this would be Beak's crazy every candle ritural he uses to protect the Bonehunter marines. It's remarked afterwards that his little dome of influence completely burned the area out....
The only point I would disagree on is the dead zones. I would state that this is an area where so much "dragon's blood"/magic has been used in so strong a manner that any enlivened "dragon's blood"/magic cannot be accessed their anymore because the area is dampened by the previous use.
Conclusion: This post took way too long and way too much effort to not have some comments and thorough critiquing done of it!

If you read all the way through this long as post, I owe you rep.