For the acquistion of salvation and destruction of fear of death this Shiv Mantra is best. This Shiva mantra is considered effective for the eradication of disease, sorrow, fear etc. Recitation of this Mantra gives success and Siddhis. ॐ नमः शिवाय । Om Namah Shivaay | Rudra Mantra This is known as Rudra mantra. Rudra Mantra is recited to get blessing of Lord Shiva. It is considered effective for the fulfilment of one's wishes. ॐ नमो भगवते रूद्राय । Om Namo Bhagwate Rudraay | Shiv Gayatri Mantra ॐ तत्पुरुषाय विद्महे महादेवाय धीमहि तन्नो रुद्रः प्रचोदयात । Om Tatpurushaay Vidmahe Vidmahe Mahadevaay Deemahi Tanno Rudrah Prachodayat