Matsya Purana — The Array of the Gods: Description of the Vaiṣṇava Host and the Lokapālas
देवासुरविमर्देषु बहुशो दृष्टविक्रमम् महेन्द्रेणामृतस्यार्थे वज्रेण कृतलक्षणम् //
devāsuravimardeṣu bahuśo dṛṣṭavikramam mahendreṇāmṛtasyārthe vajreṇa kṛtalakṣaṇam //
In the many clashes between the gods and the asuras, his prowess was repeatedly witnessed; and for the sake of the nectar of immortality, Great Indra marked him with the thunderbolt (vajra).
This verse does not discuss pralaya; it recalls deva–asura battles and highlights a distinctive mark made by Indra’s vajra, serving iconographic identification rather than cosmology.
Indirectly, it supports dharma through correct worship: kings and householders are to commission and venerate properly identified deities; knowing lakṣaṇas (distinctive marks) prevents misidentification in ritual and temple practice.
It functions as a pratima-lakṣaṇa guideline: the ‘vajra-mark’ associated with Indra/amṛta narratives is a distinguishing feature to be represented or recognized when installing or worshiping an image in a temple context.