From PokéHeroes Wiki
The Marshadium-Z is an item which can change a Marshadow into its Z-Crystal Form.
How to find them
How to use it
Giving a Marshadow a Marshadium-Z to hold and it will change into its Z-Crystal Form.
- Marshadium-Z are tradeable
- You are able to remove a Marshadium-Z from a Marshadow to change it back to its normal form.