near the munchlax statue by a rock it is hidden
I found it behind the lighthouse, easy to get to
Chat with our AI personalities
The Underground or Sunyshore City
It is sunny in Sunyshore City.
Jasmine on the beach in Sunyshore City.
In Diamond, you can obtain a Water Stone in the underground in Sunyshore City.
The Thunder Stone can be found in the Underground, Sunyshore City, and the Solaceon Ruins. The Thunder Stone is used to evolve some Pokemon like Pikachu.