Answer:
Egyptian religious doctrines included three afterlife ideologies: belief in an underworld, eternal life, and rebirth of the soul. ... Therefore, the souls who had lived their life elegantly were guided to Osiris to be born again. In order to achieve the ideal afterlife, many practices had to be performed during one's life.
Egyptian religion was polytheistic. The gods who inhabited the bounded and ultimately perishable cosmos varied in nature and capacity. The word netjer (“god”) described a much wider range of beings than the deities of monotheistic religions, including what might be termed demons.