The Spiritual Dragons who're the guardians of prosperity, protecting treasure while in the ocean. They can take on a half human kind. Phaya Nak or Phaya Nāga (Thai: พญานาค; RTGS: phaya nak; lit. 'lord of Nāga', phaya derived from Mon which necessarily mean higher nobility) or Nakkharat (Thai: นาคราช; https://jaidensgrdo.blogzet.com/23naga-an-overview-42995445