The Bat Dragon was one of the four pets that were obtainable during the Halloween Event (2019) in Adopt Me! It is a legendary pet, which costed 180,000 (500 if the Candies were to be purchased with Robux) The Bat Dragon was added during the second part of the Halloween Event (2019), along with the Evil Unicorn. As the event has ended, it is now currently only obtainable through trading.