Matsya Purana — Narasimha’s Victory over Hiraṇyakaśipu and the Catalogue of Apocalyptic Omens
नभसः प्रच्युता धारास् तिग्मवेगाः समन्ततः आवृत्य सर्वतो व्योम दिशश्चोपदिशस्तथा //
nabhasaḥ pracyutā dhārās tigmavegāḥ samantataḥ āvṛtya sarvato vyoma diśaścopadiśastathā //
From the sky, torrents fell—driven with piercing force on every side—so that the whole firmament was veiled everywhere, along with all the directions and the intermediate quarters as well.
It depicts the onset of dissolution through a catastrophic deluge: violent torrents descend and metaphorically erase the visible order of space by covering the sky and even the sense of direction.
Indirectly, it frames why Manu’s preparedness and obedience to divine counsel matter: when cosmic disorder arises, dharmic leadership is shown through foresight, protection of dependents, and adherence to sacred guidance rather than panic.
No direct Vastu or ritual rule is stated; however, the verse functions as a pralaya-portent motif—useful in ritual narration and Purana recitation contexts to mark the transition into the deluge episode.