Over the course of thousands of years, ancient Egyptians perfected the art of preserving the bodies of the dead. Their intent was to maintain the body for the family of the deceased. After death, the individual's soul passed into Duat, the Egyptian underworld. There, in the spirit city off Amenti, Osirus ruled over the dead. The God Anubis guided new arrivals before the judges of the afterlife, so that they could determine the spirits reward for its life.

When incorporated with the mummification ceremony, the spell of life had been set down by Osirus and his sister-wife Isis created an eternal link between soul and corpse. Although the spirit still ventured into the underworld upon its death, it could now return across the shroud (which divides the lands of living and dead) infusing its dead flesh with life. Proper service in the underworld realm of Amenti allowed the mummy to gather sufficient spiritual energy (sekham) to return to the living world. Months, even years might pass, but the mummy would eventually return to life, no matter how many times he as slain.

The followers of Isis and Osirus performed the resurrection ceremony on a small number of their members. the spell was flawed, the life-force was dulled, the blood lacking in life-force despite being small in number, Horus, son of Isis and Osirus, and his followers, the shemsu heru, led most mummies on a crusade against set and Apophis they battled set's corruption for millennia.

Then came the Dja-akh, the ghost storm, and many of the shemsu heru were destroyed, Amenti was demolished, the spell of life lost its potence.

That is when Osirus awoke. He led his followers to the web of faith, a mighty nexus of ley line nodes across the middle east. he placed himself in its center, and fused with it, becoming one. Then he created a new spell of life, and the priests and priestesses of Isis, in the cult of Isis, were called to find worthy mortals for a new resurrection ritual, to join their souls within a tem-akhe, a completing spirit of one of the Amenti souls. thus was born the Amenti, the new chosen crusaders of ma'at. the life the mortal led, determines which group he will belong to when the ritual is completed. The new spell of life made the Amenti, more vibrant and alive, more attuned to all life. and fertile. They can have families, and champion ma'at.