Naag, in snake form, possess a gem called "Naag Mani", considered much more valuable than a diamond. Legends tell of many people losing their lives through snake bites, when the snakes took revenge for stolen Mani, or if either of a pair of snakes was killed. According to legend, the snakes can be controlled using , the musical instrument used by snake charmers. These types of snakes are said to be vengeful and will take revenge on anyone who disturbs them, this could be either by killing or hurting their love or family member. They are also great devotees of Lord Shiva. Its said that the first of these creatures was created by Lord Shiva while he came out of the pillar when Lord Vishnu and Lord Brahma were fighting on who is superior to whom.