In Japanese mythology, the legendary dragon known for its rain-bringing powers is Ryūjin. This dragon is revered as a water deity, often associated with the seas and storms. Ryūjin’s role involves controlling rain and tides, signifying the profound relationship between nature and agriculture in Japanese culture. As a protector of the fishing industry, he embodies the importance of water for sustenance and life. Myths surrounding Ryūjin highlight the importance of nature’s cycles and the need for respect towards the natural world.