The Nāfuel are classified as the followers of Virūpākṣa (Pāli: Virūpakkha), one of many 4 Heavenly Kings who guards the western course. They work as guards on Mount Sumeru, protecting the dēvas of Trāyastriṃśa from assaults by the asuras. The nāga in Indonesia largely derived and motivated by Indic tradition, https://128.199.208.170/