The Matsya Purana tells another Tale of Chamunda's origins. She with other matrikas was developed by Shiva to help you him destroy the demon Andhakasura, who may have a capability - like Raktabīja - to make from his dripping blood. Chamunda with another matrikas beverages the blood on the demon https://bookmarkbooth.com/story13245136/helping-the-others-realize-the-advantages-of-chamunda