The significance of Osiris's resurrection in Egyptian mythology is profound, symbolizing the themes of death, rebirth, and the promise of eternal life. Osiris, the god of the afterlife, functions as a representation of the cycle of nature and the agricultural process. His resurrection after being killed by Set illustrates the victory of order over chaos and serves as a template for the soul's journey after death. This narrative reinforces the importance of the afterlife in Egyptian beliefs and the idea that life continues beyond mortal existence.