Astamurti abode is Mount Kailāsa. Mantra is Aum Namah Shivaya. The main weapon is Arrow (Dhanus). The lord’s consorts are Parvati or Sati or Shakti or Durga and mount is Prithvi (Earth).
The howler deity in the Vedas, Lord Rudra, who afterwards transformed into the benevolent Lord named Shiva. This particular lord has numerous names and multiple attributes , among which eight are direct significant to the contriving an idea of the Shaivite lore. in Yajurveda linked Taittariya Samhita, in the Shata Rudriya and in Shvetashvatara Upanishad, for the first time, Rudra’s identification with Shiva appeared.
With Rudra by stating tam Shiva namasi which means “I bow to you, Shiva”, the Vajasneya samhita also largely co-equals Lord Shiva. It is to be noted that Lord Shiva is also known in many names such as Bhava, Mahadeva, Sarva, Pashupati, Ugra and Ishana according to the Shathapatha Brahmana. It is to be remembered that ancient Sanskrit linguist and grammarian Pāṇini in his magnum-opus named Astadhyayi states that Rudra is known proudly as Mrida, Bhava, Sarva, Grisha, Mahadeva and Tryambaka.
On the other hand, Sage Patanjali who is regarded as the propounder of Yoga system, in the popular version named Mahabashya also provides for many icons of Lord Shiva. It is to be largely remembered that in the Puranic era, Lord Rudra wholeheartedly and completely merged direct with Shiva and successfully joined the Holy Trinity that is religiously named Trimurti and largely represented as the destroyer. Therefore the role and significance of Astamurti has religious and social importance in the society to a large extent.