horus was the god of the sky and also the god of war. the pharaoh ruling at any given time of egypt was always the living image of horus. when he died, that pharaoh became osiris, the god of the dead and the father of horus. the new pharaoh became horus. his purpose was to protect the pharaoh. he was a protector god, who was a god who fought evil. he represented justice and righteousness. he fought with seth to avenge his father, osiris, who was killed by seth. when horus defeated seth, he conquered his father, osiris', throne, and became protector.