The Nāfuel 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 because of the asuras. Irrespective of its drop, the legacy on the Naga Empire endures https://128.199.208.170/