Back Cover

Translation

Right
Under the moon,

Bottom Right
contemplate this prayer.

Bottom Left
Near an ancient tomb

Left
plundered for its blade

Upper Left
lies a special place.

Upper Right
up ~~down~~dow up ~~down~~dow ~~left~~le ~~right~~righ ~~left~~le ~~right~~righ up ~~down~~dow ~~left~~le ~~right~~righ

Elaboration

Near the Hero's Grave in the East Forest.
Enter the code: UDU DLR LRU DLR

Entering the code produces a treasure chest containing 1 coin bit. On New Game+ playthroughs, the grass and bushes return, the Sword returns, but the treasure chest remains, acting as an obstacle that perfectly blocks the pathway to reach the Sword.