The event is available in-game from July 22 through July 27

• Win in the Campaign and Dungeon battles to collect special items - Pickaxes

• Use your Pickaxes on the event page by tapping on tiles to uncover Key Stones

• There are 20 levels to conquer in the Vault, and the Grand Prize - Arena Champion - awaits you at the final level! Each completed level guarantees some useful game resource

Jump in, complete the challenges, and claim your rewards before it ends!