Ryushogu
From Wikimon
Ryushogu (竜晶宮 Ryūshōgū, lit. "Dragon Crystal Palace") is an oceanic area in the Eastern Digital World where beautiful crystals grow. It is the peaceful ocean, which is also known as a paradise for water-dwelling Digimon, protected by Ryugumon, who has the role of purifying the ocean to its normal state.[1] Ryugumon is one of the Sanmyojin, who oversees the seas of Ashino Island. It impossible to reach the secluded region without riding the ocean currents generated by Shagaramon. The Digimon responsible for gatekeeping alongside Shagaramon, who was entrusted the role by Ryugumon, are Hangyomon and Mermaimon, and Shagaramon has the additional role of supervising the other gatekeepers.[2]