It's the only female incarnation of Lord Vishnu. He took this avatar various periods and saved gods, which includes Lord Shiva. She is the most wonderful lady in the whole universe which is unparalleled in her attractiveness. She's qualified in many arts. स्वयमात्मा हि भगवान् ज्ञानरूपो महेश्वरः । Similarly, https://www.youtube.com/watch?v=R8yE5JVNaHw