Matsya Purana — The Advent of Narasiṃha and Hiraṇyakaśipu’s Weapon-Assault
कालमुद्गरमक्षोभ्यं तपनं च महाबलम् संवर्तनं मोहनं च तथा मायाधरं परम् //
kālamudgaramakṣobhyaṃ tapanaṃ ca mahābalam saṃvartanaṃ mohanaṃ ca tathā māyādharaṃ param //
“(He is) Kālamudgara, the Unshakable (Akṣobhya), Tapana, the Greatly Mighty (Mahābala), Saṃvartana, Mohana, and the supreme Māyādhara (Bearer of divine illusion).”
By naming Saṃvartana and Kālamudgara (“Time that crushes all”), the verse frames Vishnu as the power behind cosmic reabsorption—Time and dissolution are not separate forces but expressions of the divine.
It indirectly teaches discipline and humility: rulers and householders should remember that power is transient under Kāla (Time), avoid delusion (Mohana), and align conduct with steadfastness (Akṣobhya) and righteous strength (Mahābala).
While not giving a direct Vastu rule, the verse functions as a ritual/theological name-list used in worship—useful for mantra-recitation, temple liturgy, and iconography contexts where Vishnu’s powers are invoked by epithets.