The Nāgasoline are definitely the followers of Virūpākṣa (Pāli: Virūpakkha), among the list of 4 Heavenly Kings who guards the western direction. They act as guards upon Mount Sumeru, defending the dēvas of Trāyastriṃśa from attacks from the asuras. The strategic site on the Naga Empire authorized it to act https://128.199.208.170/