The ancient figure that represents the concept of the soul in mythology is often seen as Osiris in Egyptian traditions. He symbolizes the cycle of death, rebirth, and the afterlife. Osiris is associated with the underworld where souls journey after death, signifying the importance of immortality and moral judgment. His resurrection after being killed by Seth represents the central theme of life overcoming death, underscoring the belief in the soul's journey beyond mortal existence towards eternal life.