The Nāgas are classified as the followers of Virūpākṣa (Pāli: Virūpakkha), among the 4 Heavenly Kings who guards the western way. They act as guards upon Mount Sumeru, guarding the dēvas of Trāyastriṃśa from attacks because of the asuras. In Thailand and Java, the nāga is actually a wealthy underworld https://128.199.208.170/