Matsya Purana — Vishnu’s Battle with Mathana
आससाद रणे दैत्यं मथनं घोरदर्शनम् दैत्यस्त्वभिमुखं दृष्ट्वा शङ्खचक्रगदाधरम् //
āsasāda raṇe daityaṃ mathanaṃ ghoradarśanam daityastvabhimukhaṃ dṛṣṭvā śaṅkhacakragadādharam //
On the battlefield he confronted the Daitya named Mathana, fearsome to behold. And the Daitya, seeing him advancing face to face—bearing the conch, discus, and mace—stood ready to engage.
This verse is not about Pralaya; it is a martial scene highlighting divine confrontation and the protective, order-restoring role associated with Vishnu’s emblematic weapons.
By portraying the direct confrontation of a fearsome aggressor, the verse echoes the kṣatriya ideal found across Purāṇic ethics: meeting adharma openly, protecting order, and standing firm when danger is faced head-on.
No Vāstu or temple-building rule is stated here; the key significance is iconographic—recognizing the śaṅkha, cakra, and gadā as identifying marks of Vishnu in ritual visualization and image-description traditions.