Skandapurana 6.3.42.38

6.3.42.38

āgneyīṃ dhāraṇāṃ dhyātvā janayāmāsa pāvakam .
kṛtyāmantrairjuhāvāgnau kṛtyā vai saṃbhavatviti .. 42.38 ..

Contemplating the fiery dhāraṇā, he generated a fire, / and with kṛtyā-spells he offered into the fire, saying: “May a kṛtyā come into being!”