The Nāfuel are definitely the followers of Virūpākṣa (Pāli: Virūpakkha), one of the 4 Heavenly Kings who guards the western path. They act as guards upon Mount Sumeru, guarding the dēvas of Trāyastriṃśa from assaults from the asuras. Whilst the Naga Empire wasn't a centralized entity, it had been characterised https://128.199.208.170/