ॐ उग्रं वीरं महाविष्णुं ज्वलन्तं सर्वतोमुखम्। नृसिंहं भीषणं भद्रं मृत्युमृत्युं नमाम्यहम्॥
Om Ugram Veeram Maha-vishnum Jvalantam Sarvato-mukham | Nrisimham Bheeshanam Bhadram Mrityu-mrityum Namaamyaham
Meaning
I bow to Narasimha — fierce, heroic, the great Vishnu, blazing, all-faced, terrifying yet auspicious, the death of death himself.
Benefit
Narasimha Maha Mantra — fiercest protective shield. Recited for protection from sudden danger, hostile attacks, black magic.