In the game, we will encounter many problems such as where is the fourth mysterious bookcase in Genshin Impact. Many users have a headache when encountering this problem. After reading the solution to this problem written by the editor of Source Code.com, you will find this. The question is really simple.
1. First, the player teleports to the location shown in the picture below in the game. This location is the teleportation anchor point above the [Fontaine-Faded Castle] area.
2. After the player is teleported, we look to the rear and walk through the corridor at the rear. After passing, the player walks from the right direction.
3. After passing by, we walk over from the arrow position shown in the picture below, and then walk over from the stairs.
4. After going up, we continue to go up a staircase, and then we will see a mysterious bookcase on top.
