Vishnupurana 3.18.35

3.18.35

svadharmakavacaṃ teṣāmabhūdyatprathamaṃ dvija /
tena rakṣābhavatpūrvaṃ neśurnaṣṭe ca tatra te //

When the Daityas had thus declined from the path of the holy writings, the deities took courage, and gathered together for battle. Hostilities accordingly were renewed, but the demons were now defeated and slain by the gods, who had adhered to the righteous path. The armour of religion, which had formerly protected the Daityas, had been discarded by them, and upon its abandonment followed their destruction.