The Nāgasoline would be the followers of Virūpākṣa (Pāli: Virūpakkha), one of the 4 Heavenly Kings who guards the western direction. They act as guards upon Mount Sumeru, preserving the dēvas of Trāyastriṃśa from assaults from the asuras. Occasionally, the kings themselves participated in religious ceremonies, reinforcing their divine position https://128.199.208.170/