Matsya Purana — Vishnu’s Battle with Mathana
तस्मादवप्लुत्य हताच्च मेषाद् भूभौ पदातिः स तु दैत्यनाथः ततो महीस्थस्य हरिः शरौघान् मुमोच कालानलतुल्यभासः //
tasmādavaplutya hatācca meṣād bhūbhau padātiḥ sa tu daityanāthaḥ tato mahīsthasya hariḥ śaraughān mumoca kālānalatulyabhāsaḥ //
Therefore, leaping down from the ram—slain as well—the lord of the Daityas stood upon the ground as a foot-soldier. Then Hari, standing on the earth, released volleys of arrows, blazing with a splendor like the Kāla-fire at the end of the age.
It uses pralaya-language metaphorically: Hari’s arrows shine like the “fire of Time” (kāla-anala), evoking end-of-age destruction to convey overwhelming divine power, not a literal flood or dissolution event in this verse.
The verse models the dharmic ideal of protection: just as Hari neutralizes a violent Daitya threat with decisive force, a king is expected to restrain aggressors and protect subjects; for householders, it reinforces the ethic of supporting order (dharma) against chaos.
No direct Vastu Shastra or ritual procedure is stated here; the technical point is poetic-theological—“kāla-anala” as an eschatological image used to describe the intensity of divine weaponry.