The nāgas would be the followers of Virūpākṣa (Pāli: Virūpakkha), among the 4 Heavenly Kings who guards the western way. They act as guards upon Mount Sumeru, guarding the dēvas of Trāyastriṃśa from attacks by the asuras.The Naga Empire was renowned for its formidable armed forces energy. Its warriors, qualified in guerrilla warfare and