Matsya Purana — The Gods Seek Śiva’s Refuge: The Cosmic Chariot Prepared for the Burning of T...
ब्रह्मवध्या च गोवध्या बालवध्या प्रजाभयाः गदा भूत्वा शक्तयश्च तदा देवरथे ऽभ्ययुः //
brahmavadhyā ca govadhyā bālavadhyā prajābhayāḥ gadā bhūtvā śaktayaśca tadā devarathe 'bhyayuḥ //
Then Brahmin-slaying, cow-slaying, child-slaying, and the terrors that afflict the people—having assumed the forms of maces and spears—rushed upon Devaratha.
It does not describe cosmic pralaya; it depicts moral causality in society—grave sins are personified as weapons that ‘attack’ a ruler, showing how adharma brings calamity.
It warns that violations like brahmahatyā, gohatyā, and harm to children or subjects rebound upon leadership; a king’s duty is to protect prajā and uphold dharma so that such ‘pāpa-forces’ do not overtake the realm.
No vāstu or temple-architecture rule is stated; the ritual implication is prāyaścitta—major sins (mahāpātakas) require expiation, and without it they manifest as afflictions and social भय (fear).