describes the Matrikas as being created by various gods like Brahma, Vishnu, Shiva, Indra as well as being their mothers. Devi Purana describe a pentad of Matrikas, who help Ganesha to kill demons. Further, sage Mandavya is described as worshipping the (the five mothers) named Ambika (Kaumari), Rudrani, Chamunda, Brahmi and Vaishnavi and who have been established by Brahma; for saving king Harishchandra from calamities. The Matrikas direct the sage to perform worship of (interpreted as a Yantra or Mandala or a circular shrine to the Matrikas), established by Vishnu on the Vindhya mountains, by meat and ritual sacrifice. Mahabharata The Mahabharata narrates in different chapters the birth of warrior-god Skanda (the son of Shiva and Parvati) and his association with the Matrikas – his adopted mothers. In one version, Indra (king of gods) sends the goddesses called "mothers of the world" to kill him. However, upon seeing Skanda, instead they follow their maternal instincts and raise him. In the chapter Vana-parva version, the Saptamatrikas are mentioned. Later in the Mahabharata; when absorption of these indigenous goddesses in the Brahmanic pantheon was initiated, a standardized group of seven goddesses – the Saptamatrikas, Shaktis or powers of Brahmanic gods are mentioned as Brahmi, Maheshvari, Kumari, Vaishnavi, Varahi, Indrani and Chamunda. In other accounts of Skanda's birth in Mahabharata, eight ferocious goddesses emerge from Skanda, when struck by Indra's Vajra (thunderbolt). These are Kāki, Halimā, Mālinī, , Āryā, Palālā and Vaimitrā, which Skanda accepted as his mothers, who stole other children – a characteristic of the Matrikas. Another account mentions the Maha-matrikas (the great mothers), a group of the wives of six of the Saptarishis (7 great sages), who were accused of being Skanda's real mothers and thus abandoned by their husbands. They request Skanda to adopt them as his mothers. Skanda agrees and grants them two boons: to be worshipped as great goddesses and permission to torment children as long as they are younger than 16 years and then act as their protectors. These six goddesses as well as the Saptamatrikas are identified or associated with Vedic Krittikas, the constellation Pleiades. The Shalya Parva of the Mahabharata mentions characteristics of a host of Matrikas, who serve Skanda. Ninety-two of them are named but the text says there exist more. The Shalya Parva describes them as young, cheerful, most of them fair but having dangerous features like long nails and large teeth.