Matsya Purana — Kārtavīrya Arjuna’s Solar Boon and the Genealogy from Kroṣṭu to the Yādava Lines
एवं प्राचीमन्वदहत् ततः सर्वां स दक्षिणाम् निर्वृक्षा निस्तृणा भूमिर् हता घोरेण तेजसा //
evaṃ prācīmanvadahat tataḥ sarvāṃ sa dakṣiṇām nirvṛkṣā nistṛṇā bhūmir hatā ghoreṇa tejasā //
Thus he scorched the eastern quarter; then he likewise burned the entire southern region. The earth, struck by that dreadful blaze, became stripped of trees and bereft of grass.
It depicts a pralaya-type devastation through overwhelming tejas (fiery heat) that burns entire directions and renders the earth barren—an image of dissolution by fire rather than renewal.
Indirectly, it underscores impermanence: kingship, prosperity, and household security depend on maintaining dharma and preparedness, since even the natural order can be overturned by cosmic forces.
No direct Vāstu or ritual rule is stated; however, the emphasis on quarters (east/south) aligns with the Purāṇic habit of reading cosmic events through directional space, a framework later used in Vāstu orientation and ritual mapping of space.