Mahāviṣṇu-Mantras: Aṣṭākṣarī, Sudarśana-Astra, Nyāsa Systems, Āvaraṇa-Pūjā, and Prayogas
परमन्त्रान् ग्रसद्वन्द्वं भक्षयद्वितयं पुनः । भूकानि त्रासयद्वंद्वं वर्मफड्वह्निसुंदरी ॥ १९० ॥
paramantrān grasadvandvaṃ bhakṣayadvitayaṃ punaḥ | bhūkāni trāsayadvaṃdvaṃ varmaphaḍvahnisuṃdarī || 190 ||
Эта форма мантры «пожирает» враждебные мантры и одолевает пары противоположностей; и вновь «поглощает» двойственные препятствия. Она устрашает бхут; она — кавaча (защитный доспех), отталкивающая сила «phaṭ», огонь и благой охранительный могучий дар.
Narada (teaching a technical mantra-prayoga within Vedanga/ritual science context)
Vrata: none
Primary Rasa: vira
Secondary Rasa: bhayanaka
It emphasizes rakṣā (spiritual protection): a properly applied mantra acts like armor, neutralizing hostile influences, inner disturbances (dvandvas), and fear-causing forces.
While technical in tone, it supports bhakti indirectly: protection and steadiness help the practitioner maintain japa, vrata, and worship without being shaken by obstacles or fear.
Mantra-prayoga used in ritual applications—especially kavaca (protective formula) and the use of ‘phaṭ’ as a repelling syllable in warding rites.