The Nāgas will be the followers of Virūpākṣa (Pāli: Virūpakkha), on the list of 4 Heavenly Kings who guards the western direction. They act as guards upon Mount Sumeru, safeguarding the dēvas of Trāyastriṃśa from assaults by the asuras. The nāga in Indonesia mostly derived and motivated by Indic custom, https://128.199.208.170/