4. The form of Vāmadeva

[...] Pañcabrahma Upaniṣad verse 10-12

The Vāmadeva (the face of Sadāśiva facing the South), that is the bestower of the great enlightenment (mahābodha), is of the character of fire is possessed of the various Vidyās (lores) and Lokās (worlds), is lustrous with the splendour of crores of Suns (simultaneously risen), and is full of grace: that is known as the Sāmaveda is well served by the eight kinds of songs (composed of the seven of the Sāmaveda^[1], as well as the Gīti or Song mentioned in Bharataśāstra as the eighth), with a majestic voice, that is of a mild temperament, is of the character of the Āhavanīya (fire) unsurpassed in excellence, served by the two Śaktis possessed of the powers of knowledge and destruction that is of the white colour mixed with black, that is, of itself fully sentient, and is the controller of the three abodes (the gross, subtle and casual, and the three states of waking, dreaming and sleeping), that is possessed of the character of the Viśva, the Taijasa and the Prājña, that is the bestower of all kinds of auspiciousness, the bestower of the fruits of all kinds of karma, good and bad alike, unto all men, that is of the form of the eight syllable Mantra, “A,Ka,Ca, Ṭa, Ta, Pa, Ya, Śa”, or Om Namo Mahādevāya” and is firmly established in the interior of the eight petals of the heartlotus.