mentioned in the Vajasneyi Madyandina Samhita of the Shukla Yajurveda (VS 27.35), which the Shiva Purana calls the "Ishana Mantra", though the Purana calls a different verse from the same Samhita which also mentions Ishana (VS 39.8) the "Ishana Mantra" as well. Puranas Several Puranas mention Ishana; a few of them are detailed here: Shiva Purana In the Shiva Purana, Ishana is described as a form or aspect of Shiva. The Purana states that Ishana bestows knowledge and riches on those with intelligence, while curbing evil-doers. Ishana is declared to be the form of Shiva presiding over the ear, speech, sound and ether as well as the "individual soul, the enjoyer of Prakriti". The Purana also asserts that the "Ishana Mantra" should be recited when fixing Lingams to pedestals, when wearing rudraksha beads on the head or (only for some) when wearing sacred ash. Linga Purana One verse of the Linga Purana describes Ishana as "the omnipresent lord of all". In another verse, one who makes the idol of Ishana is said to be "honoured in the world of Vishnu." In one verse, he is said to hold an axe while in another, he is described as wielding a trident. Ishana described as being stationed in every being as the organ of speech. The Purana mentions Ishana as one of the deities present at Daksha's sacrifice who was attacked by Virabhadra. He is also described as having attended the svayamvara of Parvati to Shiva. Brahmavaivarta Purana The Brahmavaivarta Purana states that Ishana was born out of the left eye of Krishna. He is described as wearing tiger's skin, adorned with a crescent crown on his head, possessing three eyes and holding a trident, patissa (sword) and club. He became the leader of the Dikpalas. Pañchabrahma The Pañchabrahmas are five specific aspects of Shiva collectively taken together. These aspects include Sadyojata, Vamadeva, Aghora, Tatpurusha, and Ishana. Each of these aspects are glorified in their own mantra in the Pañchabrahma Mantrani present in the Taittiriya Aranyaka (TA 10.17-21). These aspects of Shiva are often depicted in five-faced Lingams which Stella Kramrisch states are physical equivalents of the five Pañchabrahma Mantrani, with each face of the five-faced lingams corresponding to one of the Mantras and representing a particular manifestation of Shiva. As one of the Panchabrahmas, Ishana is the source of spontaneous grace directed to all beings and to all worlds. Vastu Shastra