The devas plus the asuras made a decision to get Amṛta (Ambrosia—the celestial honey of immortalily) by churning The ocean of milk. The Devas went to bring Mandara-mountain, to be used as the churning rod. Their attempt was futile. The asuras created a demo with the exact same outcome. https://zanderlylwh.madmouseblog.com/9151736/23naga-an-overview