1, open the game, choose a character to enter the game world, find the location marked as memory bank on the map, and go. Go to the front of the library, talk to the NPC at the door, pay attention to the prompt information in the dialog box, complete the task as required or enter the specified password. After successfully passing the verification, enter the underground city memory bank.

2. First, open the game between Dungeon and Warriors. Secondly, click on the game to display the admission situation of the memory bank and trigger the guidance. Finally, follow the instructions to enter the underground city memory bank.

3. The entrance to the Dungeon and the Warrior Memory Library requires players to go to Chester Town, and you can see a copy when you enter the map. Players can enter the challenge by choosing the difficulty. When playing at home, you can click the entry trigger guide of the game display memory when logging in, and players can also find the underground memory according to the guide.

4. In response to your question, dnf Library is located in "Olian Mainland", specifically in the "western" area of "Olian Mainland". Here's how to do it: First, choose a character after entering the game and enter the game world.