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Effect / Mechanics
Held: Allows Aerodactyl to Mega Evolve into Mega Aerodactyl.
Source: PokeAPI
In-game description
"One of a variety of mysterious Mega Stones. Have Aerodactyl hold it, and this stone will enable it to Mega Evolve during battle."
Fling Power
80 Power
Power of the move "Fling" when using this item.