One of the few mantras that feels like a great dialogue about Lord Shiva is Namaste Astu Bhagavan from Sri Rudram.
This mantra explains various attributes of Lord Shiva as the Supreme Lord, the one devoid of destruction, and who helps us transcend fear and loss and so on.
Each name within the mantra takes one step deeper into remembrance of Lord Shiva’s infinite compassion and power.
One can chant this mantra daily during worship, use it for meditative purposes, or in any situation in which you feel Shiva to be with you.

Namaste Astu Bhagavan Mantra
ॐ नमस्ते अस्तु भगवन् विश्वेश्वराय महादेवाय
त्रयम्बकाय त्रिपुरान्तकाय त्रिकालाग्निकालाय कालाग्निरुद्राय
नीलकण्ठाय मृत्युंजयाय सर्वेश्वराय सदाशिवाय श्रीमान् महादेवाय नमः॥
Om Namaste Astu Bhagavan Viśveśvarāya Mahādevāya
Trayambakāya Tripurāntakāya Trikālāgnikālāya Kālāgnirudrāya
Nīlakaṇṭhāya Mṛtyuñjayāya Sarveśvarāya Sadāśivāya Śrīman Mahādevāya Namaḥ॥
Meaning: I bow to the supreme Lord, the Lord of the Universe, the great God, who has three eyes, the destroyer of three cities. The one who is beyond all and with power to destroy the past, present and the future (Trikalas). The one in the form of Rudra, who is like fire of great destruction, the blue-throated, the conqueror of death. The Lord of all, the eternal one who doesn’t have an end (Sada Shiva), to that greatest God of the Gods, my salutations to you.
Benefits of this Mantra
Below are some of the key benefits that practitioners get by chanting this mantra daily.
This Shiva Mantra of complete surrender brings inner peace, purifying the mind and spirit when recited with faith.
Worshipping Lord Shiva, this hymn aligns our mind and heart with Shiva, bringing in qualities like peace, compassion, courage and fearlessness.
By invoking the Namaste Astu Bhagavan mantra, one can obtain the great God’s blessings by which all your wishes get fulfilled.
It can clear away the negativity surrounding you and bring auspiciousness.
Meditating on this Mantra gives you a deep sense of divine protection and protects you from unseen dangers and difficult situations.