Wadjet lists her primarily as a snake-headed protector of Lower Egypt, the delta region.
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In Egyptian mythology, She was often shown in art as a cobra and was the protector of lower Egypt. Later, she became the protector of kings. Her Her worship was already established by the Predynastic Period, but did change somewhat as time progressed. She began as the local goddess of Per-Wadjet (Buto) but soon became a patron goddess of Lower Egypt.