Back to Items 
Effect / Mechanics
Unused NPC Key Stone.
Source: PokeAPI
In-game description
"These glasses contain an untold power that somehow enables Pokémon carrying a Mega Stone to Mega Evolve in battle."
Unused NPC Key Stone.
Source: PokeAPI
"These glasses contain an untold power that somehow enables Pokémon carrying a Mega Stone to Mega Evolve in battle."