The Nāfuel would be the followers of Virūpākṣa (Pāli: Virūpakkha), one of many 4 Heavenly Kings who guards the western way. They work as guards on Mount Sumeru, preserving the dēvas of Trāyastriṃśa from assaults with the asuras. These empires usually waged wars to broaden their territories, forcing the Nagas https://128.199.208.170/