Cosmology

Kogari's cosmology is a combination of the idea of Qi and the philosophy Yin-and-Yang.

Ki
In Kogari, qi is known as Ki (Kanji: 気) and is regarded as a dark energy which emanates from each and every entity in existence, regardless of whether the entity is an abstract idea or a concrete reality.

Types
Ki is categorized by the kind of entity that it's emanated by; as such, there are 4 types of basic ki.


 *  Shō'inki  (Kanji: 少陰気; English: Lesser Yin Ki) - Also known as yin, is ki which emanates from a creature's thoughts.
 *  Shō'yōki  (Kanji: 少陽気; English: Lesser Yang Ki) - Also known as yang, is ki which emanates from a creature's body.
 *  Ta'inki  (Kanji: 太陰気; English: Greater Yin Ki) - Also known as Yin, is ki which emanates from an area's time (history).
 *  Ta'yōki  (Kanji: 太陽気; English: Greater Yang Ki) - Also known as Yang, is ki which emanates from an area's space.

Ki Styles
By itself, due to being a form of dark energy, basic ki does nothing that can be observed through conventional means. But if one combines two of the basic ki into a complex ki, one can make use of Ki Styles (Romaji: Ki-ryū; Kanji: 気流). There are 5 Ki Styles and those Ki Styles are:


 *  Suiki-ryū  (Kanji: 水気流; English: Water Ki Style) - A combination of Shō'inki and Shō'yōki; or in other words, a combination of yin and yang. It allows one to strengthen and weaken the chemical and physical properties of one's body. Notably, by affecting the brain, it can affect the mind. Also, while it can not directly transform the body, it can indirectly transform the body. Because it uses naught but internal ki, it's the easiest Ki Style to learn and master.
 *  Hiki-ryū  (Kanji: 火気流; English: Fire Ki Style) - A combination of Shō'inki and Ta'yōki; or in other words, a combination of yin and Yang. It allows the conjuration of creatures and summoning of objects via the creation of those creatures and generation of those objects. It can not directly control the creatures that it conjures or the objects that it summons, but it can indirectly control those creatures and objects if used with intelligence and or skill. Because it uses external ki in conjunction with internal ki, it's a bit harder to learn and master than Suiki-ryū.
 *  Fūki-ryū  (Kanji: 風気流; English: Wind Ki Style) - A combination of Ta'inki and Shō'yōki; or in other words, a combination of Yin and yang. It allows the alteration of the body's form from its natural form into an unnatural form, and it allows the alteration to be enacted and sustained without any damage to or disruption of the body's functionality and integrity. Notably, under normal circumstances, any damage that is inflicted upon an unnatural form is not inflicted upon the natural form. But in the abnormal circumstance where ki is used to inflict damage upon an unnatural form, the damage that was inflicted upon the unnatural form will be inflicted upon the natural form as well. In addition, it should be noted that it's possible to assault the unnatural form with a greater amount of ki than the unnatural form's ki as a means of damaging the natural form without having to damage the unnatural form. Lastly, because it uses external ki in conjunction with internal ki, it's a bit harder to learn and master than Suiki-ryū.
 *  Chiki-ryū  (Kanji: 地気流; English: Earth Ki Style) - A combination of Ta'inki and Ta'yōki; or in other words, a combination of Yin and Yang. It allows the contraction, expansion, and manipulation of the environment. To put it simply, it's a combination of the alteration of an environmental entity's quantity and the maneuvering of environmental entity's with telekinesis. However, it does not affect creatures. Including, of course, ki-beings. Because it uses naught but external ki, it's the hardest to learn and master. In fact, in order to learn and master it, one has either achieve enlightenment or be born with an affinity for it.
 *  Kūki-ryū  (Kanji: 空気流; English: Void Ki Style) - Not a combination of Ki Types; instead, it's the creation of vacuums in the ki as a means of enacting abnormal and unnatural phenomena. Admittedly, it does not have a limit on what it can do. As it can emulate the effects of all of the other Ki Styles, and it can produce effects that are impossible or non-viable for all of the other Ki Styles. It can not be learned; instead, one has to be born with the ability to use it. In addition, those born with an ability to use it are also born with an inability to use all of the other Ki Styles.

Ki Beings
A number of creatures, known as Ki Beings (Romaji: Ki-mono; Kanji: 気物), are composed of ki and naught but ki. There are two types of Ki Beings, the reijin and the reijū.

Reijin
The Reijin (Kanji: 霊人; English: Spirit Being) are ki beings composed of a fusion of yang (Yin) and yin (Yang). Because their internal selves tend to be greater than their external selves, their forms tend to be humanoid. Though there are exceptions.

Kami
Kami (Kanji: 神; English: Deities) are created when a number of creatures' admirations and beliefs causes the creatures' ki to encase their environment's ki.

Any belief, idea, or worship that is common enough and powerful enough can create a kami. Kami need belief or worship in order to attain the internal ki they need to exist. If a kami is forgotten or forsaken, they will begin to die from ki deprivation.

Reiju
The Reijū (Kanji: 霊獣; English: Spirit Beast) are ki beings composed of a fusion of Yang (yin) and Yin (yang). Because their external selves are greater than their internal selves, their forms tend to be monstrous. Though there are exceptions.

Vampire
Vampires (Romaji: Kyūketsuki; Kanji: 吸血鬼) are born when ki-users whom remove their ki in a way that wraps their environment's ki around their removed ki.

In order to survive, vampires have to steal the ki of other creatures of their kind. Vampires are vulnerable to Ta'yōki. Also known as Yang. The Sun's light contains an abundance of Ta'yōki. As such, vampires are vulnerable to sunlight.

Sea of Six Realms
In Kogari, existence is a body of ki in the same way that the ocean is a body of water; as existence is composed of ki. However, while existence may be composed of ki, the energy and matter within existence are NOT composed of ki. However, that energy and matter can and is affected and altered by combinations of the ki around it.

Existence is divided into a group of realms called the Sea of Six Realms (Romaji: Rokudō no Umi; Kanji: 六道の海). Just as its name implies, the Sea of Six Realms is an ocean-like expanse which is composed of ki and divided into regions called realms. Each of its regions, the Six Realms (Romaji: Rokudō; Kanji: 六道), is composed of a different combination of ki. As such, because combinations of ki affects and alters the energy and matter around it, each of its regions exhibit different scientific laws for its energy and matter.

Genesis
Existence began as 2 oceans of basic and fluidic ki. The first ocean was the Light Realm, and it was composed of Yang ki and yang ki. While the second ocean was the Shadow Realm, and it was composed of Yin ki and yin ki.

At some point in time, the Light Realm and the Shadow Realm collided with one another. During the collision, a number of the Yin ki within the Light Realm bonded with an equal number of the Yang ki within the Shadow Realm. As a result, the Astral Realm formed around the Light Realm and Shadow Realm.

Afterward, a number of the Yin ki within the Astral Realm bonded with an equal number of the yang ki within the Light Realm. As a result, the Spiritual Realm formed within the Astral Realm. At the same time, a number of the Yang ki within the Astral Realm bonded with an equal number of the yin ki within the Shadow Realm. And as a result, the Physical Realm formed within the Astral Realm.

Subsequently, because of how close their areas and time of formation was, the Physical Realm and Spiritual Realm collided with one another. During the collision, a number yin ki from the Physical Realm bonded with an equal number of yang ki from the Spiritual Realm. As a result, the Mental Realm formed within the Astral Realm!

..

Notably, while the Mental Realm was the last of the Greater Realms to form, it was not the last realm to form. As, after the formation of the Mental Realm, the bonding of ki began to increase in both complexity and density alike. As a result; ki began to bond into and form miniatures of the Physical, Mental, and Spiritual Realms. And those miniature realms came to be known as the Lesser Realms.

Unfortunately, the Lesser Realms' formations created vacuums within the Astral Realm. Said vacuums were the first and only case of naturally-occurring Void Ki Style. Each of those vacuums are the cause of an abnormal phenomenon and there are a literally innumerable amount of those vacuums within the Astral Realm. The largest of those vacuums, the Great Void (Romaji: Ōkū; Kanji: 大空), is responsible for the creation of the ancient energy and ancient matter that would be affected and altered into modern energy and modern matter by the ki of the Six Realms.

Astral Realm
Also known as the Great Deep (Romaji: Gurēto Dīpu; Kana: グレート・ディープ) and the Tehom (Romaji: Tehomu; Kana: テホム), the Astral Realm (Romaji: Seishindō; Kanji: 星辰道) is composed of a combination of Ta'inki and Ta'yōki; or in other words, it's composed of a combination of Yin and Yang. Notably, because of it's composition, it has been nicknamed as the Realm of Earth (Romaji: Chinodō; Kanji: 地の道).

The Astral Realm contains all of the other realms; as such, the Astral Realm is the realm between the realms. In order to journey from one realm to another realm, one must journey through the Astral Realm.

Notably, the Astral Realm does not exhibit any indigenous creatures. Instead, all of the Astral Realm's inhabitants are foreign to the Astral Realm.

Light Realm
The Light Realm (Romaji: Kōdō; Kanji: 光道) is composed of a combination of Shō'yōki and Ta'yōki; or in other words, it's composed of a combination of yang and Yang. Notably, because of it's composition, it has been nicknamed as the Realm of Brightness (Romaji: Meinodō; Kanji: 明の道).

The Light Realm embodies the concrete and factual; as such, the Light Realm is home to manifestations of knowledge.

Mental Realm
The Mental Realm (Romaji: Shindō; Kanji: 心道) is composed of a combination of Shō'inki and Shō'yōki; or in other words, it's composed of a combination of yin and yang. Notably, because of it's composition, it has been nicknamed as the Realm of Water (Romaji: Suinodō; Kanji: 水の道).

The Mental Realm is the collective consciousness and superorganic nexus of all life. For the Mental Realm embodies all of the feelings and thoughts of all creatures. Because the Mental Realm is an embodiment of feelings and thoughts, the Mental Realm's quantum is the Astral Body (Romaji: Asutoraru Bodī; Kana: アストラル・ボディー). Which is a combination of Thought-type matter and Will-type energy.

Notably, all creatures exhibit an Astral Body within the Mental Realm. However, not all Astral Bodies are the exhibition of a creature. As some Astral Bodies are just the components of the Mental Realm's environments or beings whom are confined and native to the Mental Realm.

Akashic Records
The  Akashic Record s (Romaji: Akashikku Rekōdo; Kana: あかしック・レコード) are a Mental Realm region devoted to all sapients. Including the likes of fiends, humans, morimin, shūryō, yakukaimono, and others as well!

The Akashic Records is composed of compartments which are each referred to as being an individual akashic record. Each akashic record is composed of the beliefs, emotions, ideas, feelings, sensations, and thoughts of either a group or an individual. As, for every group and individual, there is an akashic record. And so there are a fluctuating and innumerable amount of akashic records.

Akasha
An Akasha (Kana: あかしゃ) is a sapient with awareness and consciousness of both the Akashic Records and their astral body within the Akashic Records.

All akasha are able to maneuver and perceive through an Astral Body within the Mental Realm in the same manner in which they are able to maneuver and perceive through their body in the Physical Realm. In addition, an Akasha can use an Alias as both a means of disguise and a sort of guardian angel. And an Akasha can use Servitors as both a means of empowerment and a source of maneuvers. Lastly, with a bit of practice, an akasha can manually and skillfully use Psionic Delusions by themselves as well.

Alias
Akasha are able to generate and manipulate an Alias (Romaji: Eiriasu; Kana: エイリアス), the opposite of a Servitor.

While a Servitor is an altered state of consciousness that is able to coexist with one's consciousness while remaining distinct from one's consciousness, an alias is an alter ego that coexist with one's ego while remaining distinct from one's ego. The difference between an Alias and a Servitor is that an Alias is the same consciousness with a different identity than one's identity while a Servitor is a different consciousness with the same identity as one's identity. Or in simpler terms, an alias is an alternate personality that one is able to switch to. While a servitor is an additional personality which exist alongside one's personality.

While in action, an alias is able to use a Cerebral Delusion to cause individuals to hallucinate its presence in the Physical Realm and then use Corporeal Delusions to simulate interaction between the individuals and the hallucination and other presences as well. By doing so, an alias is able to seemingly but not technically be conjured from the Mental Realm into the Physical Realm. Also while in action, an alias can and usually does disguise perceptions of its bearer with Cerebral Delusions and recordings of its bearer with Corporeal Delusions.

Astral Body
All akasha exhibit an Astral Body (Romaji: Asutoraru Bodī; Kana: アストラル・ボディー), composed of thought-type matter, within the Akashic Records region of the Mental Realm.

As previously stated, akasha are able to maneuver and perceive through an Astral Body within the Mental Realm in the same manner in which they are able to maneuver and perceive through their body in the Physical Realm.

Psionic Delusion
Akasha are able to imbue the ki around their astral body with their willpower as a means of manipulating the ki around their astral body; subsequently, an akasha is able to combine the ki around their astral body in order to make use of a Ki Style-like maneuver called a Psionic Delusion (Romaji: Saionikku Derūjon; Kana: サイオニック・デルージョン).

There are 4 types of Psionic Delusions: Cerebral Delusions, Corporeal Delusions, Ethereal Delusions, and Memetic Delusions.

A Cerebral Delusion (Romaji: Serībaru Derūjon; Kana: セリーバル・デルージョン) consists of combining Ta'inki and Shō'yōki, which is also known as Yin and yang, and then subjecting an astral body to the combination. By doing so, an akasha is able to alter an astral body's natural form into an unnatural form and thereby manipulate the astral body as a means of manipulating the mind that corresponds to the astral body. Notably, it's the Mental Realm's version of the Wind Ki Style.

A Corporeal Delusion (Romaji: Kōpuriaru Derūjon; Kana: コープリアル・デルージョン) consists of combining Shō'inki and Ta'yōki, which is also known as yin and Yang, and then using that combination to conjure a phenomenon within the Physical Realm and thereby convert mental energy into physical energy. It's divided between Nocebo (Romaji: Nosebo; Kana: ノセボ) which embody and inflict negativity and Placebo (Romaji: Purasebo; Kana: プラセボ) which embody and inflict positivity.

An Ethereal Delusion (Romaji: Ēteriaru Derūjon; Kana: エーテリアル・デルージョン) consists of combining Ta'inki and Ta'yōki, which is also known as Yin and Yang, and then using that combination to accumulate beliefs, emotions, ideas, feelings, sensations, and thoughts into an astral body-like entity called a Fantasy (Romaji: Fuantajī; Kana: ファンタジー). There are two kinds of fantasies that an akasha can create with an Ethereal Delusion. The first kind of fantasy is a Horror (Romaji: Horā; Kana: ホラー), which is an accumulation of negativity. While the second kind of fantasy is a Splendor (Romaji: Supurenda; Kana: スプレンダ), which is an accumulation of positivity. Notably, it's the Mental Realm's version of the Earth Ki Style.

A Memetic Delusion (Romaji: Memetikku Derūjon; Kana: メメティック・デルージョン) consists of combining Shō'inki and Shō'yōki, which is also known as yin and yang, and then using the combination to attune with a Meme (Romaji: Mīmu; Kana: ミーム). Notably, it's the Mental Realm's version of the Water Ki Style.

Servitors
Akasha are able to generate and manipulate a Servitor (Romaji: Sābita; Kana: サービタ), the opposite of an Alias.

While an Alias is an alter ego that coexist with one's ego while remaining distinct from one's ego, a Servitor is an altered state of consciousness that is able to coexist with one's consciousness while remaining distinct from one's consciousness. The difference between an Alias and a Servitor is that an Alias is the same consciousness with a different identity than one's identity while a Servitor is a different consciousness with the same identity as one's identity. Or in simpler terms, an alias is an alternate personality that one is able to switch to. While a servitor is an additional personality which exist alongside one's personality.

Servitors exhibit an astral body within their creator's asylum. Also, Servitors are each able to induce and maintain a Corporeal Delusion upon their creator's body. By doing so, altogether, Servitors are able to induce and maintain enough Corporeal Delusions to augment their creator from a human into a superhuman! A Servitor can also use Memetic Delusion to attune with a meme on its creator's behalf!

Asylum
An asylum is an akashic record composed of the beliefs, emotions, ideas, feelings, sensations, and thoughts of a singular and specific individual. As such, an asylum is an individual's mindscape.

The natural appearance of an individual's asylum is determined by the individual's mentality. In addition, the natural inhabitants of an individual's asylum is also determined by the individual's mentality. As the individual will spawn horrors within his or her asylum whenever he or she is negative and summon splendors within his or her asylum whenever he or she is positive. It's also possible for an individual to develop complexes within his asylum as well.

Edenic Memoir
Also known as the Akashic Graveyard (Romaji: Akashikku Gureibuyādo; Kana: あかしック・グレイブヤード) and the Garden of Eden (Romaji: Gāden Obu Eden; Kana: ガーデン・オブ・エデン), the Edenic Memoir (Romaji: Edenikku Memoa; Kana: エデニック・メモア) is an Akashic Record with the special and unique property of drawing in and preserving a creature's Astral Body as soon as the creature's body has died and the creature's soul has passed onto the Spiritual Realm. It contains all of the episodic and emotional memories of the dead, and it contains all of the external and internal personalities of the dead as well.

In the past, the Edenic Memoir was guarded and inhabited by humanity. But at some point in time, in pursuit of knowledge and power, all of the humans began to consume the astral bodies that had been drawn into and preserved within the Edenic Memoir. Consequently, all of the humans were cast out of the Edenic Memoris and throughout the 20 Worlds of the Physical Realm. Subsequently, each of the humans were replaced with a duplicate and each of those duplicates — the Replicants (Romaji: Ripurikanto; Kana: リプリカント) — were tasked with guarding the Edenic Memoir in humanity's stead. Current, in the present, the Edenic Memori continues to be guarded by the Replicants of humanity.

Fantasy
A Fantasy (Romaji: Fuantajī; Kana: ファンタジー) is an astral body-like accumulation of beliefs, emotions, ideas, feelings, sensations, and thoughts.

There are two kinds of fantasies. The first kind of fantasy is a Horror (Romaji: Horā; Kana: ホラー), which is an accumulation of negativity. While the second kind of fantasy is a Splendor (Romaji: Supurenda; Kana: スプレンダ), which is an accumulation of positivity. Notably, fantasies are capable of being a creature or an object.

Also, like akasha, a fantasy is able to induce Corporeal Delusions and produce Ethereal Delusions. And lastly, while a fantasy's existence is limited to the Mental Realm, it's possible for a fantasy to cause Physical Realm inhabitants to hallucinate its presence outside of the Mental Realm and then use a number of Corporeal Delusions to affect the Physical Realm inhabitants.

Complex
A complex is a personal and private fantasy with a composition that is organized around a theme of sorts.

Under normal circumstances, a complex is born within an individual's asylum and remains within the individual's asylum. However, it's possible for some akasha to access and conjure their complex(es) anywhere within the Mental Realm.

Unlike a conventional Fantasy, a complex is composed of negativity and positivity alike. Consequently, unlike a conventional Fantasy, a complex lacks stability and undergoes deterioration. As such, in order to avoid deterioration, a complex has to be maintained by either the mentality or willpower of the individual whom birthed it.

Meme
Beliefs, emotions, ideas, feelings, sensations, and thoughts are the vessel-less blood of the the Akashic Records. As they flow throughout the Akashic Records, the most ancient and most ubiquitous of them coagulate into complexes called a Meme (Romaji: Mīmu; Kana: ミーム).

Akasha are able to attune with a limited number of memes and then exploit those memes as a means of executing maneuvers and performing techniques. For most akasha and fantasies, it's easier and faster to exploit a meme than it is to induce a Corporeal Delusion or produce an Ethereal Delusion. For that reason, in battle, it's more common for akasha and fantasies to exploit memes than it is for them to induce a Corporeal Delusion or produce an Ethereal Delusion.

As a complex, a meme is composed of negativity and positivity alike. Consequently, a meme lacks stability and undergoes deterioration. So, without maintenance from the mentality or willpower of sapients, a memetic delusion will deteriorate until obliteration.

Physical Realm
The Physical Realm (Romaji: Taiō; Kanji: 体道) is composed of a combination of Shō'inki and Ta'yōki; or in other words, it's composed of a combination of yin and Yang. Notably, because of it's composition, it has been nicknamed as the Realm of Fire (Romaji: Kanodō; Kanji: 火の道).

The Physical Realm is the setting of life as we know it; as such, it's the universe. Or rather, more accurately, it's the multiverse...

Twenty Worlds
The Physical Realm is a 3-dimensional reality with 6 dimensions. In addition, the Physical Realm is divided into the Twenty Worlds (Romaji: Nijūkai; Kanji: 二十界) which each exhibit a different combination of 3 of its 6 dimensions. Notably, its 6 dimensions are the A-Dimension, the B-Dimension, the C-Dimension, the X-Dimension, the Y-Dimension, and the Z-Dimension.


 *  1st World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, B, and C. As such, it is the World that is “farthest” from the 20th World.
 *  2nd World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, B, and X.
 *  3rd World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, B, and Y.
 *  4th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, B, and Z.


 *  5th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, C, and X. Notably, this is the World that Fusō is situated within.
 *  6th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, C, and Y.
 *  7th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, C, and Z.
 *  8th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, X, and Y.
 *  9th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, X, and Z.
 *  10th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of A, Y, and Z.
 *  11th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, C, and X.
 *  12th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, C, and Y.
 *  13th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, C, and Z.
 *  14th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, X, and Y.
 *  15th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, X, and Z.
 *  16th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of B, Y, and Z.
 *  17th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of C, X, and Y.
 *  18th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of C, X, and Z.
 *  19th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of C, Y, and Z.
 *  20th World  - Is one of the Twenty Worlds of the Physical Realm. It’s the physical World that exhibits the dimensions of X, Y, and Z. Notably, this is the World that the Earth is situated within.

Fifth World
The Fifth World (Romaji: Gonokai; Kanji: 五の界; English: World of Five) is one of the Twenty Worlds of the Physical Realm. It exhibits the dimensions of A, C, and X.

Notably, this is the World that Fusō is situated within.

Twentieth World
The Twentieth World (Romaji: Nijūnokai; Kanji: 二十の界; English: World of Twenty) is one of the Twenty Worlds of the Physical Realm. It exhibits the dimensions of X, Y, and Z.

Notably, this is the World that Earth is situated within.

Shadow Realm
The Shadow Realm (Romaji: Yōdō; Kanji: 影道) is composed of a combination of Shō'inki and Ta'inki; or in other words, it's composed of a combination of yin and Yin. Notably, because of it's composition, it has been nicknamed as the Realm of Darkness (Romaji: Annodō; Kanji: 闇の道).

The Shadow Realm embodies the abstract and fictional; as such, the Shadow Realm is home to manifestations of faith.

Spiritual Realm
The Spiritual Realm (Romaji: Tamadō; Kanji: 魂道) is composed of a combination of Ta'inki and Shō'yōki; or in other words, it's composed of a combination of Yin and yang. Notably, because of it's composition, it has been nicknamed as the Realm of Wind (Romaji: Fūnodō; Kanji: 風の道).

The Spiritual Realm is the afterlife; as such, it's the final destination of all creature that can and will die.

Energy and Matter
As previously stated, while a Realm may be composed of ki, the energy and matter within a realm are NOT composed of ki. All forms of energy can be divided into two categories, and all types of matter can be divided into two categories as well.

Energy
The two forms of energy are Force (Romaji: Chikara; Kanji: 力) and Will (Romaji: Ishi; Kanji: 意志). Force is the energy of the Light, Natural, and Physical realms. While Will is the energy of the Mental, Shadow, and Spiritual realms.

Notably, whenever one enters a Realm, one's energy will automatically be converted into the proper form of energy by that Realm's ki. As such, except under an abnormal circumstance brought about by the Void Ki Style, it's impossible for one within a Realm to exhibit a form of energy that is not appropriate for the Realm.

Matter
The two types of matter are Bodies (Romaji: Tai; Kanji: 体) and Thoughts (Romaji: Shisō; Kanji: 思想). Bodies are the matter of the Light, Natural, and Physical realms. While Thoughts are the energy of the Mental, Shadow, and Spiritual realms.

Notably, whenever one enters a Realm, one's matter will automatically be converted into the proper type of matter by that Realm's ki. As such, except under an abnormal circumstance brought about by the Void Ki Style, it's impossible for one within a Realm to exhibit a type of matter that is not appropriate for the Realm.

Spirits and Souls
In addition to exhibiting energy and matter, all creatures exhibit both a Soul (Romaji: Kon; Kanji: 魂) and an amount of Spirit (Romaji: Haku; Kanji: 魄) as well. A creature's soul is a materialization of a creature's sentience, while a creature's spirit is an energization of the creature's sentience. As such, a soul is kind of matter. While spirit is a kind of energy.

Death
When a creature dies, the creature's soul will pass into the Spiritual Realm or wander throughout the Six Realms...

...but the creature's spirit will not pass on or wander. Instead, the creature's spirit will be trapped within the creature's corpse until the corpse has been damage enough to release the spirit. After a creature's spirit has been released from the creature's corpse, the creature's spirit will materialize into a new soul and that soul can eventually become the soul of a newborn creature.

Ki
Notably, all creatures are able to exert their spirit as a means of manipulating the ki inside and outside of themselves.