What are Crystals for? June 01, 2022 18:33 You can spend Crystals in the Shop and in purchase windows to buy: Energy tools and Power items, Tools, Chargers, Items to enter the event Buildings, Talismans, Chests. Related articles How do I get Crystals? What is Power? What is the Bank for? What can I buy with Crystals? How do I get Coins?