Ishana

Ishana (Īśāna) is one of the five faces of Shiva (Panchanana), representing the supreme ruler and the Ishvara aspect of divinity. In the Shaiva Agamas and the Shiva Purana, the five faces correspond to different cosmic functions: Sadyojāta (creation), Vāmadeva (preservation), Aghora (dissolution), Tatpuruṣa (concealment), and Īśāna (grace/liberation). Ishana is the upward-facing or northeast-facing face, symbolizing transcendence and the bestowal of knowledge and liberation. The Shiva Purana describes Ishana as the source of all mantras and the embodiment of supreme consciousness, while the Shaiva Agamas detail his role in the five-fold act (pañcakṛtya) as the granter of grace (anugraha).

Iconographically, Ishana is depicted as the topmost section of the linga, often invisible or represented by a subtle dot, indicating his formless and transcendent nature. In the five-faced murti (Pañcānana), Ishana is the face looking upward, sometimes shown with a peaceful expression and a third eye. He is associated with the element of ether (ākāśa) and the direction northeast (īśānya). The mantra 'Om Īśānāya namaḥ' is chanted for spiritual knowledge and liberation.

In the Shaiva Siddhanta tradition, Ishana is identified with Sadāśiva, the eternal and benevolent aspect of Shiva who performs the five functions through his five faces. Regional worship includes the Panchamukha Hanuman temples where Hanuman is shown with five faces, including Ishana, representing Shiva's grace. In Hindu cosmology, Ishana governs the transcendent realm beyond the material universe, guiding souls toward moksha. The Skanda Purana also mentions Ishana as the lord of all vidyas (knowledge) and the bestower of siddhis.

Thus, Ishana embodies the ultimate goal of Shaivism: union with Shiva through grace and wisdom.

The upward-facing face of the five-faced Shiva. Represented in the linga form as the topmost section.