Mysterious Wall

are NaN Objects in.

Overview
NaN Mysterious Walls are spots within NaN Secret Caves with which TMC: can TMC: NaN Kinstones.

When TMC: TMC: NaN Kinstones with these NaN Mysterious Walls, the NaN Goron Diggers' task of breaking through a cave at TMC: will progress, and after six NaN Kinstone Fusions with six different NaN Mysterious Walls, along with the farmer TMC:, TMC: can obtain an TMC: at the end of the cave.