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- The Nebula Dragon was released on May 4, 2016, along with the Rayleian Dragon, Celerulean Dragon, and the Teidian Dragon.
- On May 4, 2017, The Nebula Dragon was listed on sale at a reduced price for a limited period of time.
- The Nebula Dragon's sale ended on May 5, 2017, when the price rose from 310 to 3,100 gems.
- The Nebula Dragon is most likely named after the diverse group of cloud-like astronomical objects called nebulae.
- As nebulae are often the site of star formation, it is possible that the large orange protrusions which feature in the Nebula Dragon's design are representative of newborn stars.