Cryptic

Cryptics are a race of sapient spren that dwell primarily in the Cognitive Realm of Roshar. They are sometimes referred to as liespren.
Cryptics are the personification of the underlying mathematical truths that govern Roshar and the cosmere. They are also one of the spren capable of forming Nahel bond, granting the abilities of the Order of Lightweavers.
== Appearance ==
=== Physical Realm ===
In the Physical Realm, Cryptics manifest as complex fractal patterns that are constantly shifting, slightly raised off a surface or object. On occasion, they can also manifest as a floating three-dimensional mass of twisting lines. Their voice has a buzzing quality, and they vibrate when they speak. They also frequently hum.
When their cognitive bodies are forced into the Physical Realm and they die, Cryptics appear as elongated bodies with a black shell, with their heads looking like a soggy mess of black flesh, similar to intestines. However, there is a way to make them take on a physical form in the Physical Realm, by using a complex Lightweaving wireframe attached to their Cognitive aspect as they take form in the Physical Realm. This allows them to essentially take on any form the Lightweaver desires, though it is essentially only an imitative shell.
=== Cognitive Realm ===
In the Cognitive Realm, Cryptics take the form of tall, willowy figures in too-stiff robes that hang off them as if made from glass rather than fabric. Above their collars, where a human's head and face would be, they have a floating symbol full of impossible angles and geometries. Different individuals have slightly different head patterns. These patterns are constantly changing at varying speeds, seemingly never repeating, though individual patterns will always maintain the same general "feel". The way a pattern changes reflects the Cryptic's mood, such as speeding up for confusion, and slowing down for shame. Despite not having any apparent means to do so, they are capable of hearing, seeing and speaking as well as any other spren. Their hands appear boney and as if chiseled from black obsidian or white marble.
Trying to analyze their patterns is known to drive people to insanity due to the way they warp space and time around themselves.
== Abilities ==
Cryptics have prodigious translation abilities, and seem capable of understanding any language, human or spren, with enough exposure. They are also adept codebreakers, a talent stemming from their in-depth understanding of mathematical patterns. Using vibrations, they can also perfectly mimic voices and sounds. Cryptics are not able to inherently tell if something is a lie.
While in the Physical Realm, they can affect it in minor ways, allowing them to pick locks. Unlike other types of sapient spren, like honorspren or ashspren, Cryptics seem unable to turn invisible, meaning they have to hide in their environment to remain unnoticed.
=== Nahel bond ===
Cryptics are one of the few spren types capable of forming a Nahel bond with humans. They grant their partner the power of Surgebinding with the Surges of Illumination and Transformation, making the person a Lightweaver. Past a certain point, a bonded Cryptic gains the ability to transform into a shape-shifting Shardblade. Cryptics are able to sense where their Surgebinder is once they start summoning their blade. With a powerful enough bond, Cryptics are able to feel the impressions of their Surgebinder's thoughts.
Unlike most Nahel bonds, a Cryptic bond is progressed by uttering deep, personal truths about oneself by the bond holder, with the more powerful, impactful truths deepening the bond further. The Cryptics' particular affinity for truths extends further than that, as they are able to sense when a person is lying.
Cryptics are also able to let their Lightweavers peer into the Cognitive Realm. For inexperienced Surgebinders, they act as intermediaries in Soulcasting, relaying the words of souls to them.
== History ==
Cryptics arose around ten-thousand Rosharan years before the True Desolation. It's unknown whether the Cryptics were created deliberately by a Shard, or if they arose naturally from Roshar's loose Investiture. At some point in the past, there were some very intelligent, dangerous Cryptics, which resulted in the creation of many negative stereotypes about Cryptics. During the Heraldic Epochs, they, like many other sapient spren, began forming Nahel bonds with humans to mimic Honorblades, leading to the creation of the Order of Lightweavers. During the Recreance, the vast majority of the older Cryptics died, leaving none alive to remember how the Nahel bond worked.
Over time, the Cryptics managed to recover somewhat, and by the late Era of Solitude, they ruled over one of the largest cities in Shadesmar, although they did not stray far from it often. At some point, they were engaged in some sort of political disagreement with the honorspren, possibly related to the latter's attempt to conquer Shadesmar.
Cryptics were one of the first spren groups to begin bonding humans again in anticipation of the True Desolation. Among others, they sent Testament to bond with Shallan when she was only a child in , as well as another Cryptic to bond with Tien, although only the former managed to bring the Bond to fruition, after long setbacks.
A group of them had been following Shallan for some time prior to her bonding Pattern. They also watched over Elhokar, unwittingly feeding his paranoia. They eventually sent another of their kind to bond with the king; however, Elhokar was killed before he could finish saying the First Ideal, and that Cryptic, Design, ended up bonding with Hoid instead.
== Culture ==
Cryptics are not very common in Shadesmar, with the vast majority of their population living in a single unnamed city, one that enjoys some renown. Unlike the honorspren, Cryptics do not have any inclination to conquer more territory, so other types of sapient spren do not war with them. Although they have a fearful reputation among other types of spren, they themselves are content with listening and learning. 
Nonetheless, many other spren find Cryptics weird and discomforting due to their fascination with lies and their mathematical approach to everything. They are also known for their fondness for planning, as well as being largely passive and inactive. Once they put their mind to something, however, they commit to it. They seem to have a significant influence on the Shadesmar politics, as when they began to bond humans again, others, like cultivationspren, swiftly followed suit.
They are known for enjoying lies and irony, gathering around and humming among themselves wherever a falsehood is uttered, although they don't like being called "liespren". Despite this fascination with falsehoods, Cryptics themselves are bad at lying in general. They are exceedingly honest, and it seems as though only through bonding with a human can they learn to use less straightforward ways of communication, such as sarcasm and humor. They seem to prefer keeping together in groups rather than going off on their own.
Cryptics as a whole are supportive of their members bonding with humans, with Pattern doing so with the approval of his peers. Because of the Recreance, many of them believe that such a bond is a death sentence, yet they also think that the things they could learn from humans are worth it. Unlike most other spren, Cryptics do not leave their bonded kinsmen to navigate the Nahel bond entirely alone. Rather, they accompany the would-be Lightweaver from Shadesmar, observing them and their budding bond. It's possible that the decision of who to bond is made by a committee among them, rather than by individuals.
Cryptics have their own language, which consists of fast clicking sounds. They can also speak equations in intonations, though their individual names translate to the same word in human languages, namely Pattern. Because of this, the Lightweavers have had to convince them to adopt names other than Pattern (except for the Cryptic bonded with Shallan).
Cryptics consider themselves to be more of Cultivation than Honor.
== Notable Cryptics ==
* Pattern (bonded to Shallan)
* Design (bonded to Hoid)
* Ornament (bonded to Beryl) 
* Mosaic (bonded to Vathah)
* Motif (bonded to Ishnah)
* Testament (bonded to Shallan)
== Trivia ==
* Before their name was revealed, Brandon said "truthspren" was a reasonably accurate way to refer to the Cryptics. This is perhaps a reference to the truth they require to strengthen their bond.
* If exposed to computers, Cryptics would like them very much, though they "might be offended that the computer isn't talking back to them, because they would think the computer's a pattern and should just be talking to them".
* The symbols that form the Cryptics' heads are not glyphs, but it is possible that readers would recognize them.
* In part four of Oathbringer, the group travelling through Shadesmar would originally encounter a pair of Cryptics in the lighthouse rather than Riino. This was eventually changed to give Kaladin a stronger motivation for travelling to Thaylen City rather than Cultivation's Perpendicularity.
== Notes ==
es:Críptico