In Egyptian mythology, Osiris is the god associated with the afterlife and judgment. He is revered as the ruler of the underworld and the god of resurrection, symbolizing the cycle of death and rebirth. After being murdered by his brother Set, Osiris is resurrected by his wife, Isis, and later judges the souls of the deceased in the Weighing of the Heart ceremony, which determines their fate in the afterlife. His story emphasizes the importance of life after death and moral integrity.