Ouir Nui was created by the Beings Great Beings over 100,000 years before the Cataclysm Great Cataclysm. It served no purpose, other than a link between the northern domes and the other domes. It is extremely large, making it extremely difficult to navitage. About 49,000 YBGC (Years Before Great Cataclysm), Metu arrived on the island. Seeing it as a great possibility, he decided to enrich it with various plants and mountains. Learning about Energized Protodermis by means of a library in Metru Nui, he used his Poison powers to such an extreme that it became Acid to melt through the ground until he found what he was looking for: Energized Protodermis Pipelines. Careful about not touching it, he created canals for it to create trees and the like to mke Ouir Nui beautiful. Metu's next step was