- You can find a Lightning Stone in the Cipher Hideout on Mt. Battle after you defeat Gorigan and obtain the Shadow Stone. Go left from the entrance and head to the back of the storage area. You'll find the Lightning Stone on the ground there.
- Lightning Stones can also be randomly found in the wild by searching on the ground. Some specific areas where you might find them include: Agate Village
- You can get Lightning Stones as a prize for winning battles against certain trainers at the Colosseum.
- Additionally, you can purchase a Lightning Stone from the Poké Mart in Gateon Port for 10,000.