The Nāgas tend to be the followers of Virūpākṣa (Pāli: Virūpakkha), one of several 4 Heavenly Kings who guards the western course. They act as guards upon Mount Sumeru, safeguarding the dēvas of Trāyastriṃśa from assaults with the asuras. In some instances, the kings them selves participated in spiritual ceremonies, https://128.199.208.170/