Altarianite

One of a variety of mysterious Mega Stones. Have Altaria hold it, and this stone will enable it to Mega Evolve during battle.

How to obtain

• Sold in the Mega Stone shop (/shop) for $100,000.
• A possible Mystery Chest reward at /spawn (opened with Mystery Keys).
• Found Chest loot (hidden chests across the overworld, Thieving skill).