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Collect the slate pieces and assemble their picture at the Wastelands ruins.
On this page
Walkthrough
Search shiny ground patches during ordinary exploration and keep the different Mysterious Slates you find. The source describes a set of 27 different pieces; a partial collection is not the completed picture.
Bring the pieces to the ruins near the Withered Wastelands Pokémon Center. Place each on its corresponding tile to assemble the image of Mew. Work from the pieces you have instead of assuming every patch contains a slate.
Completing the picture makes Mew available to find. This is separate from the legendary bird buildings, Dream Island doll associations and the main Pokédex completion gate. The source does not supply a drop rate, so allow time for random finds.
Checklist
Task
Requirement
Slate collection
27 different Mysterious Slates
Destination
Ruins near the Withered Wastelands Pokémon Center
Puzzle
Arrange the pieces into a Mew picture
Troubleshooting
Situation
What to check
The puzzle is incomplete
Count the different pieces and continue checking shiny ground for the missing slates.
Looking at the wrong location
Use the ruins near the Wastelands Pokémon Center, not the bird kits in Palette Town.
Mew
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