Lushan's Island is an island that is home to the Forgotten Monsters and is named after the founder of the island himself.
Lushan founds the island along with some other fellow monsters known as the "Forgotten Monsters" get together and decided to move to the island to live in peace.
Rozan (along with Gfantis and Ulpra) arrive on the island and gets assistance from the Forgotten Monsters themsleves to help her at time of need. Hitodah then invades the island, but is quickly taken care of and driven out of the island.
- It's exact location is unknown at the moment, but is presume to be somewhere in the Indian Ocean.