Reasons for not being able to change your name in "League of Legends" (LOL):
1. It may be that someone else has already taken your name in this area, so the name cannot be used. It is recommended. Change the name slightly.
2. The name does not comply with the naming rules of "League of Legends" (LOL). The naming rules are as follows:
(1). The length must be between 3 and 16 characters. between 8 Chinese characters.
(2). Allow the input of letters, numbers and Chinese characters.
(3). It cannot contain insulting words.
Extended information
"League of Legends" (LOL) game features system and gameplay:
1. Matching system
The matching system is as complete as It can match players whose level is close to each other, based on who they have won before and the level of their opponents, creating competitive and fair game play to maximize players' gaming fun.
2. Rune system
Players can adjust and customize runes according to their own gameplay when selecting heroes. A total of 60 runes are free. Each rune system has a most powerful rune, which can be adjusted according to the type and pursuit of the hero you operate.
3. Summoner Skills
Summoner Skills are a major feature of League of Legends. Each player will have two independent skill slots for Summoner Skills, which is an extremely unique skill in the game. The important part is that you can freely configure your summoner skills according to your own or your team's tactical and strategic needs.
4. Friend System
In the lower left corner of the game platform interface, you can see the reduced icon of the friend list. You can see the number of current friends online in the icon. After clicking, a pop-up will appear. Your own friend list interface.
Reference: Baidu Encyclopedia--"League of Legends"