What other mythical mother was equally devoted and vigilant?

A similarly devoted and vigilant mythical mother is Demeter from Greek mythology. She is the goddess of agriculture and motherhood, known for her unwavering dedication to her daughter Persephone. When Persephone is abducted by Hades, Demeter's grief leads her to neglect the earth, resulting in barren fields and winter. Her fierce love and determination to reunite with her daughter ultimately highlight her protective nature and resilience.