This guide is for educational purposes only. Modifying game data may violate the game's terms of service and could lead to account bans. Proceed at your own risk, and ensure you have a backup of your game data.

Steps: 

Step 1: Open Shop Interface Open VolleyBall King and go to the shop (cart) interface. 

Step 2: Enter Coin Purchase Screen Navigate to the coin purchase section in the shop. 

Step 3: Record Coin and Diamond Values Note the coin amount and diamond cost of the last item (e.g., 2800000 coins, 5600 diamonds). 

Step 4: Set GameGuardian Memory Range Open GameGuardian and select the "Anonymous" memory range. 

Step 5: Search for Values Start a new search in GameGuardian, entering 2800000;5600 as a Dword type. 

Step 6: Modify Coin Value Change the search results for 2800000 to a high value, like 99999999. 

Step 7: Modify Diamond Value Change the search results for 5600 to a negative number, like -9999999. 

Step 8: Verify Changes Exit the shop in the game, re-enter, and check if the coin and diamond values updated. 

Step 9: Confirm Success Ensure the modified values increase coins and diamonds as intended. 

Step 10: Use Resources Use your modified coins and diamonds cautiously to avoid game issues.

Tips:

1. Backup Your Data: Save your game progress before modifying to avoid losing your account.

2. Be Accurate: Enter the exact coin and diamond values (e.g., 2800000;5600) for correct results.

3. Work Quickly: Switch between the game and GameGuardian fast to prevent crashes.

4. Test Safely: Practice on a secondary account to protect your main progress.

Hacking might break game rules or risk your account—use it carefully!