The Nāgas would be the followers of Virūpākṣa (Pāli: Virūpakkha), one of several 4 Heavenly Kings who guards the western direction. They act as guards upon Mount Sumeru, preserving the dēvas of Trāyastriṃśa from assaults from the asuras. The dense forests, mountainous landscapes, and rapidly-flowing rivers in the empire’s territory https://128.199.208.170/