The devas along with the asuras decided to get Amṛta (Ambrosia—the celestial honey of immortalily) by churning the sea of milk. The Devas went to convey Mandara-mountain, for use since the churning rod. Their attempt was futile. The asuras created a demo with the similar outcome. The Bhūtagaṇas (Guards) https://andresixkvg.angelinsblog.com/28278172/the-greatest-guide-to-23naga