In One Piece Odyssey Chopper’s experience and skills will be taken from him. In order to get them back, you’ll need to locate 30 cube fragments scattered around Waford Island. Below is a guide on where to find his cube fragments in Dressrosa. You’ll receive the Cube Collector: Chopper trophy/achievement for finding all of his cube fragments.
Dressrosa City Area
Dressrosa City East
This cube can be found above an archway over the road leading to the coliseum.
Square, At Fountain
This cube can be found in a ruined house south of the Coliseum.
New Royal Plateau: Bottom
1st Level – Great Fissure
This cube can be found in front of a building on the western side of the area.
1st Level – Great Fissure
This cube can be found in some rubble under the long bridge that Franky builds in the northern part of the map.
1st Level – Great Fissure
This cube can be found on a broken bridge at the highest level in the northern part of the area.
2nd Level – Destroyed Royal City
This cube can be found on the roof of a building along the main path in the southern part of the area.
3rd Level – Spike Canyon
This cube can be found in the northern part of the map west of the Yoisa Travel Sign on top of a ruined building in a pit.