What is the use of Hollow Knight Hitchhiker's Diary?

The purpose of the Hollow Knight’s Wandering Diary is to sell it for money. The merchant at the bottom of the City of Tears will purchase the Wanderer’s Diary, which will then trigger the merchant to tell a short piece of history.

"Hollow Knight" is a 2D action-adventure game developed by Team Cherry, a small team of only three people from Australia. It was released on the PC platform on February 25, 2017.

The background of the game is set in a complex dungeon called "Hollow Lair". Our hero begins his adventure in this underground kingdom. He needs to use his abilities to explore ruins, destroy monsters or interact with some Monsters help themselves by making friends. The game emphasizes operational skills and exploration and discovery, and has a certain level of difficulty.

The protagonist does not have a map by default. Every time he enters a new area, he must try to find a cartographer who has also explored that area and buy a sketch of the area from him. Otherwise, he must rely on his own ability to memorize routes.

At the same time, because it is just a "sketch", only the areas visited by the cartographer will be displayed after purchase. Other unknown areas still need to be added by the protagonist after purchasing the quill and using the rest archive during the adventure.

Different areas require players to kill specific enemies before they can be opened. Some maps also require players to obtain corresponding abilities and keys before they can enter.