Archillesite

Archillesite
Bag Section	Items
Used in	Mega Evolves Archilles when held
Obtained from	Bealbeach Department Store on Mondays, choosing Archilles to get the mega stone after beating the 7th gym.
Buying price	50000
Selling price	N/A

"One variety of the mysterious Mega Stones. Have Archilles hold it, and this stone will enable it to Mega Evolve."