Wan Shi Tong Library has sunk back into the Spirit World hidden from all of humanity. Luckily for you, many brave explorers into the spirit realm have documented its location for other knowledge seekers.
Coords: x: -2200 z: -2200 y: 170
The entrance is hidden and requires a bit of maneuvering in order to get inside. Once inside your quest for knowledge will come to an end.
There is also a tea leaf inside for you to discover!
Coords: x: 1172 z: 930 y: 15