1, turn on the computer, log in to your game account of Dungeon and Warriors, and choose any role, because all accounts in the account vault can be used.

2. After entering Zeilya's room, wait 60 seconds, open the mall, and click "Recharge points coupons".

3. The amount of prepaid gift certificates depends on the amount you want to upgrade your account vault. After recharging, click OK to exit the prepaid mall.

4. In Celia's room, click the vault and select "Account Vault".

5. Click "Expand Account Library" from the drop-down box to open the dialog box, and click "OK" to upgrade the account library.