Text · Shakta · Pan-India
Lalitopakhyana
The closing book of the Brahmanda Purana, Hayagriva's teaching to Agastya on Lalita, her war with Bhanda, her city and worship.
Sources: Lalitopakhyana ch. 5, Agastya's pilgrimage and the manifestation of Vishnu, tr. G. V. Tagare (wisdomlib); Brahmanda Purana (Wikipedia) · see Lalitopakhyana's web