What is "pratyangira"

Pratyangira ( Sanskrit: प्रत्यङ्गिरा; Pratyaṅgirā, IPA: /'' 'Pratyangira''/) or sometimes called Prathyangira, Narasimhi or Narashimhika, is a Hindu Goddess associated with Shakti, the Hindu concept of eternal energy. She is described as a goddess with a lioness's face and a human body. This combination of lion and human forms represents the balance of good and evil.