I believe that players who have played the game "Chenbai Forbidden Zone" all know that operation is very important in the game. Good operation can greatly improve your combat effectiveness. However, some players encountered iris entry in the "Chenbai Forbidden Zone" when performing some complex operations. How to obtain the proof? The editor of Source Code Network will teach you how to solve this problem.
How to get it:
The second chapter of difficulty is given, and the furniture task is given
There are two difficulty levels in normal levels and one activity level, which is four.
You can get one after completing the fourth level in the hard mode of Chapter 2 of the main story.
You can get one more for completing quests, and there are three in total including the main quest.