What's the name of the card wall series?

Blocking the wall is just a small loophole in the current Jianghu game. Blocking the wall is not a jam, it is closed and blocked. It needs the help of plug-ins to make the game characters get into the wall and fight monsters, but the monsters can't fight themselves. It is enough to fight monsters and upgrade yourself with weapons, but it is said that the position of the retaining wall is also very delicate and meticulous.

Historical background:

A basic requirement of software manufacturers when designing products is that users are not allowed to do illegal operations. It is legal as long as users are allowed to do it. There is no way for users to know what the manufacturer thinks and which operation sequences are illegal.

There have been computer bugs since the birth of computers. The first recorded error was discovered by Grace Hopper, a programmer and inventor of the compiler in the US Navy. Harper later became a general in the US Navy and led the development of the famous computer language Cobol.