Hybrid religion of Themiclesia
The hybrid religion of Themiclesia developed from the syncretism of the original ancestral cult, cults of other gods, Buddhism, Sindoism, and elements of other religions. The Themiclesian census uses the term to identify a group of "faiths and practices that have historically influenced each other". There are many sects within the hybridized religion, and many adherents to one sect may not adhere to the dogmata of another.
Deities
Tiks
Qlin
Afterlife
Death
The concept of the undying soul is directly inherited from the ancestral cults, which assume that a person's soul—retaining their memories and personality—persists forever after death of the physical body.
Post-mortem judgement
While the hybrid religion's concept of post-mortem judgement is clearly influenced by other faiths, having emerged by the 8th century is a unique repertoire of concepts that describe the experience and destination of a person's soul as it leaves the body upon death. The original ancestral cult knows no post-mortem judgement and posits that a person's spirit continues to exist in the same mortal realm but can only interact with the living through ceremonies, media, oracles, and dreams. By the 1st century, the cult of Qlin believed that his favoured followers would form part of his divine host, which implies a selection process based on the worthiness of the deceased, whose criteria have not survived.
Under the influence of Buddhism in the 4th and 5th and then Sindoism in the 6th century, the idea that a post-mortem judgement gained more widespread acceptance. This accompanied the appearance of a "realm of the dead" separate from the world of the living, in which spirits were previously supposed to continue living. In obscure, early texts, the role of the post-mortem judge was ascribed to Tiks, the mysterious High God without a popular cult. By extension, the world of the dead was said to be located in the north, probably because the visible symbol of Tiks, the Polaris star, was in the northern sky. The mortuary aspects of Tiks seems to be connected to his role as the god of the fate of cities, projected onto that of individuals.
By the 7th century, however, it seems that Tiks's involvement with the human dead fell out of favour, and instead Qlin's divine son, Prince Qlaps (王世) was regarded as the ruler of the realm of the dead, having been known as the divine messenger. It seems possible, if not likely, that his role as medium between divine and mortal was extended to that between dead and living, as ancestral spirits (the dead) and gods are considered close to each other in nature, or at least by those who adhere to a stricter belief in the divine power of ancestors. His name literally means "generations", and death was often euphemistically called "gone to the generations". Scholars have also formulated a "nebulous but obvious" connection between death and the perpetuation of the Canon of Generations, found as early as the Ur-cult.
Qlaps's role as prince of the dead is strongly reminiscent of that of royal government in Themiclesia, adding to the comparison of the "realm of the dead" as a "state of the dead"—not only a place but a country with a functional government. As the soul arrives at the realm of the dead, they are identified by their dead relatives. Before being admitted, however, other denizens of the realm have the opportunity to accuse the new arrival of crimes that have not been atoned for. If found guilty, Qlaps punishes the arrival before re-uniting them with their families. The content of this punishment is variegated and heavily depends on the narrative needs of the myth describing it; in some, the post-mortem trial imposes those applied in Themiclesia, and in others the punishments are grossly tortuous and incommensurate with contemporary conceptions of justice.
Deceased emperors and nobles, however, are typically excluded from post-mortem judgement as they do not travel to the realm of the dead but live at dedicated temples maintained by their distinguished successors. In this way, their post-mortem experience are conservative, in keeping with the older idea that the dead remained in the world of the living and continued to interact through oracles and temple sacrifices. Religious authors post hoc reasoned that sacrifies re-animate the dead in limited ways, and in the 7th century these were carried out continuously; thus, royal progenitors are continually animated and therefore never travel to the realm of the dead, where the ordinary dead go after their families stop providing for them at their homes. Another reason given is that the royal houses of Themiclesia are direct descendants of Qlin himself and are therefore exempt from his son's judgement.
Realm of the dead
The attributes of the realm of the dead are not treated in a systematic manner in the most circulated texts, but it seems a basic imagery of the Themiclesian state underlies most descriptions. The most complete descriptions of the realm of the dead is found not in religious manuals but in literary works that transcend the realms of the living and dead. It is common to idealize the City of Generations (世邑), where the ruler is tender and his counsellors always wise, though it is not a world without concerns. Negative actions and emotions exist, but as spirits cannot die or suffer from hunger, they are less vulnerable and perceived wrongs with a subjective intensity lower than that of the living. On the other hand, equally owing to eternal life, grudges incurred can also continue ad infinitum and serve as powerful devices in literature.
The City of Generations is often pictured as very cold. This may be an extension from the idea that it is located in the distant north or because corpses characteristically lack body heat, and its absence is associated with the dead. For this and other reasons, the realm is considered repugnant to the living, and consequences for visiting it may be so dire as to prevent return to the mortal realm. However, this coldness is not a negative thing from the perspective of the spirits, who, because they are not living, do not require warmth.
The position of the City of Generations has been given much philosophical exposition throughout the ages. Its boreal climate and identification with the Pole Star parallels attributes of the High God, Tīks. Tīks's realm above the celestial bodies and air, even the firmament itself, is also said to be extremely cold, where no mortal could hope to survive. As Tīks created the a pocket of life and warmth from the coldness of the world above, the spirits of the City of Generations has also given rise to new human life in the realm of the living. In a sense, therefore, a spirit is in the same state of the world as it existed prior to or outside of life but is intimately connected with life.
The Brak school, which proposes that all living things acquire their life through Tīks's divine magical substance, asserts that spirits only live temporarily in the City of Generations and will, at some point in the future, be re-united with Tīks. This eschatology, however, is not widely accepted.