The Nāfuel tend to be the followers of Virūpākṣa (Pāli: Virūpakkha), among the Four Heavenly Kings who guards the western route. They act as guards on Mount Sumeru, shielding the dēvas of Trāyastriṃśa from assaults with the asuras. In some instances, the kings on their own participated in religious ceremonies, https://128.199.208.170/