Emerald
An Emerald is a legendary item which can be used to summon a Rayquaza egg.
How to obtain it
You can obtain an Emerald if a Flying Type Pokemon wins the Rayquaza boss battle in the Sky Pillar
How to use it
Using the Emerald, you are able to summon a Rayquaza egg in the Ancient Cave.
Other
- Emeralds are tradeable.
- Hatching a Rayquaza egg will count towards your shiny chain.