The way to obtain "Good and Evil: Bai" in Ni Shuihan mobile game is to obtain it after triggering the adventure mission. First, you can increase your most vicious 50. This will make you wanted. After being wanted, talk to Li Chaoyang in the prison. That's it.
First of all, the player needs to trigger the adventure mission, and then go to the river to fry fish, mainly to increase his viciousness to 50.
Once you reach 50, you can be wanted. After being wanted, walk around a crowded place so that you will be taken to prison if you are discovered.
You can have a conversation with Li Chaoyang inside, and during the conversation you can unlock this adventure mission.
After completion, continue the dialogue with Li Chaoyang. During the dialogue, you need to oppose Judge Senluo so that you can obtain the Judgment of Good and Evil and White skills.