Egyptian Symbols Life Force
The strength and creative power of life found expression at the individual level in ka, symbolized by two arms raised, it contains twice the power of the person, including its intellectual and spiritual.
The defensive posture of the arms is designed to ward off the evil that could possibly threaten the vital spirit of the wearer: anyone born with their own ka who accompanied him throughout the course of life, death and survived even after returning to its divine origin.
The ka did not need to be fed, even the food had your ka: in its oldest form was the virile power, and only later acquired a universal meaning.