If you clear game data / cache or reinstall the game, all guest account game data will be reset.
Once the account is reset, it will be difficult to find or restore the account. So, we advise you to play the game with your account linked.
■ Link Account
1. Select Lord Portrait at the top left corner of your game screen.
2. Click on the Equipment icon at the top right corner of your screen.
3. Select your account
4. Choose your account to link