The Nāgas tend to be the followers of Virūpākṣa (Pāli: Virūpakkha), among the 4 Heavenly Kings who guards the western course. They work as guards on Mount Sumeru, defending the dēvas of Trāyastriṃśa from attacks through the asuras. The shifting trade routes, which had the moment favored the Naga Empire, https://128.199.208.170/