The Nāgas would be the followers of Virūpākṣa (Pāli: Virūpakkha), one of the 4 Heavenly Kings who guards the western course. They work as guards on Mount Sumeru, defending the dēvas of Trāyastriṃśa from attacks because of the asuras. The Naga Empire was renowned for its formidable armed service power. https://128.199.208.170/