Home to the seal of the Leviathan it was shown to host four minibosses of four elements along with a host of other high level enemies. Few people have reached its summit and the final boss, the Leviathan as it was called, has seldom appeared. A guild was destroyed when challenging the Leviathan.
The Sacred Mount became the dock for the Ark of the players during the events of Last Saga. After the Ophidans are killed by a combination of Alpha, Roto, Row, Ban, and Slayan, the Leviathan is summoned and a death match between Ban and the other players ensues.