What is the rarest type in Dragon City?

In the vast and wondrous world of Dragon City, where every dragon is unique and holds its own special charm, one question often arises among enthusiasts: What is the rarest type of dragon that can be found? Are we referring to the elusive and mystical Night Dragon, with its shimmering, starry coat that seems to glow in the darkness? Or perhaps it's the enigmatic Elemental Dragon, which commands the power of all four elements and is rarely seen in the wild? As we delve deeper into the question, it becomes clear that determining the rarest type is no easy task, as rarity is often subjective and can vary depending on the desires and collections of individual dragon trainers. But one thing is for sure: the search for the rarest dragon in Dragon City is a thrilling adventure that captivates the hearts and minds of dragon enthusiasts everywhere.