Matsya Purana — Lineage of Yayāti through Yadu and the Deeds of Kārtavīrya Arjuna
तस्य बाहुसहस्रेण क्षोभ्यमाणे महोदधौ भवन्त्यतीव निश्चेष्टाः पातालस्था महासुराः //
tasya bāhusahasreṇa kṣobhyamāṇe mahodadhau bhavantyatīva niśceṣṭāḥ pātālasthā mahāsurāḥ //
When the great ocean was being violently churned and agitated by his thousand arms, the mighty Asuras dwelling in Pātāla became utterly motionless and powerless.
It portrays a cosmic-scale upheaval—when the ocean is powerfully agitated, even beings in the netherworld (Pātāla) are rendered inert—highlighting how pralaya-like turbulence subdues demonic forces and overwhelms ordinary stability.
Indirectly, it reinforces the Purāṇic ethic that unrighteous power (asuric force) collapses when confronted by a higher, divinely sanctioned order; for kings and householders, it supports maintaining dharma so that social “turbulence” does not paralyze the realm.
No direct Vāstu or ritual rule is stated; the verse is primarily cosmological, using the ocean’s agitation as a narrative image rather than prescribing temple-building or rite procedures.