1. Enter the glory of the king, find a player with a blank id name in the leaderboard, go to his homepage, and click Settings in the upper right corner.

2. Select to copy her name in the settings, return to the home page, and open the backpack.

3. Find the name change card in your backpack and click Use.

4. Paste the blank symbol id just copied in the box, delete one bit or copy it again, and click Save to modify the blank id of the invisible symbol.