CUBE

Found In Waterfall
You'll receive the CUBE from a robot in the Waterfall, and it is required to warp from the third floor of the Mirage Tower to the Floating Castle.
Compare CUBE to other Items
Treasures: Containing CUBE – 1 shown
Map
The specifics of where this treasure can be found
Notes
Waterfall Speak to the robot in the treasure room
FLOATER OXYALE

Related

The Fiend of Wind

The ORB of Wind
Page 4
Climb the five levels of the Floating Castle and face TIAMAT, the Fiend guarding the ORB of Wind.

The CUBE

The ORB of Wind
Page 3
Search the Waterfall for the CUBE and a robot that fell from the Floating Castle.

The Mirage Tower

The ORB of Wind
Page 2
Use the CHIME to enter the Mirage Tower, collecting Treasure and learning that you need the CUBE to proceed further.

Warp Cube

Prismatic cube that glitters with color.
Found In Waterfall Cavern
You'll receive the Warp Cube from a robot in the Waterfall Cavern, and it is required to warp from Tower of Mirage 3F to the Flying Fortress.