You are given a limited amount of inventory space to hold figures, items, and plates in Pokemon Duel. Soon enough you will find yourself needing more storage. You are only allotted 50 slots for figures and items (ingots, minerals, and rare metals) combined and 50 slots for plates.
Increase Inventory Space in Pokemon Duel
1. Go to Menu.
2. Go to View Figures or View Plates.
3. Hit + Expand on the top right corner.
It will cost 10 gems to increase your Figure Case or Plate Case by 10 slots.
The maximum inventory space is 1000. You cannot expand beyond this number.