An instrument used to wake the Sleeping Forest.
The Lunar Harp (ルナハープ, Runa Hāpu?) is a recurring items in the series.
VII The Lunar Harp is a key item used to "awaken" the Sleeping Forest, which allows the player to pass through it. If the Harp is not used, the first screen will repeat infinitely. The item can be dug out in Bone Village. Specifically it is located at the top level, just southwest from the tent.