A stone filled with an unexplained power. It makes Pokémon that battle with a Mega Stone Mega Evolve.
Sun Moon / Ultra Sun Ultra Moon / Sword Shield
Key Stone
Effect
Allows the player’s Pokémon to Mega Evolve.
Flavor Text
A stone filled with an unexplained power. It reacts to Mega Stones and makes Pokémon Mega Evolve.
Lets Go Pikachu Lets Go EeveeOverview
- Cost
- 0
- Key
- Category
- Gameplay