Star Piece
Star Pieces can be used to summon a Jirachi egg from the Ancient Cave.
How to find them
Star Piece's can be rarely found through Rumbling - they can be found in any rumble area.
How to use it
Once you own 5 Star Pieces, you can summon a Jirachi egg in the Ancient Cave
Other
- Star Piece's are tradeable
- Hatching a Jirachi egg will count towards your chain.