Dhrana
A might serpent in the Hindu mythology of India, Dhrana is described as a having seven-headed king of snakes. Like the Naga Muchalinda, he is also the guardian of a god, in this case, it’s Parsva. This god maintains a constant war with evil Meghamalin, and Dhrana is frequently called upon to protect his master.
John and Caitlin Matthews, The Element Encyclopaedia of Magical Creatures, 2013, Dhrana, p 133
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