1, first of all, you have to have at least one set (or six sets with bonus effect), such as the Wrath of Waste Soil (Waste Soil Set) worn here. A 1 New Tristram, "King Leorik Manor Courtyard" in the lower left corner. After entering, go up the stairs to the second floor and pass the "Royal Bedroom" to the library.

2. You can see the "dungeon collection" on the counter. Drop it when you touch it, and the collection will be broken. I'm wearing a wasteland cover, which corresponds to 22 pages.

3. The entrance to the underground city is described on the last page. If you know diablo 3 well, I believe you can guess where it is. For example, the "old and crazy fortress" mentioned on page 22 here, the possible location is A5, the chaotic fortress. You must explore where it is.

Extended data

Complete the function of underground city collection.

Complete all dungeon missions to get ordinary flying wings, and complete all dungeon missions to get master flying wings.

Each occupation has 4 groups of dungeons, a total of 24.

Everyone's career can also get a standard, complete and proficient in one.