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