Matsya Purana — Pitṛ Worlds
महात्मानो महाभागा गमिष्यन्ति परं पदम् तानुत्पाद्य पुनर् योगात् सवरा मोक्षमेष्यसि //
mahātmāno mahābhāgā gamiṣyanti paraṃ padam tānutpādya punar yogāt savarā mokṣameṣyasi //
Those great-souled, highly fortunate ones will attain the supreme state. And when you have brought them forth as progeny, then again—through Yoga—you too, together with Savarā, will reach liberation (mokṣa).
It does not describe Pralaya directly; instead, it emphasizes post-duty spiritual attainment—after establishing worthy progeny, one returns to Yoga and reaches the “supreme state” (parama pada).
It frames liberation as compatible with worldly responsibility: first fulfill lineage/continuity (utpādya—begetting worthy offspring who are “mahātmānaḥ”), and then pursue Yoga for moksha—an ideal progression for rulers and householders in Purāṇic ethics.
No Vāstu/temple-architecture rule is stated in this verse; the focus is soteriological—progeny, then yogic discipline culminating in moksha.