In One Piece Odyssey Luffy’s experience and skills will be taken from him. In order to get them back, you’ll need to locate 50 cube fragments scattered around Waford Island. Below is a guide on where to find his cube fragments in Water Seven. You’ll receive the Cube Collector: Luffy trophy/achievement for finding all of his cube fragments.
Sewer
Sewer Franky’s Hideout
This fragment is located on the eastern side of the upper balcony in Franky’s Hideout. You can reach it by climbing the ladder.
Tower of Law
Pantry
The fragment can be found to the left of the fridge in the pantry, which is in the northwestern part of the area.
Water Seven Lower Coast
Water Seven Lower Coast
This cube can be found just past the save point heading south from where you first reach Water Seven on a rock in the water.