World Sense

Function
Displays current Completion percentage in the inventory and on the save file in the main menu. Also shows the amount of enemies encountered and required in the Hunter's Journal.

How to Acquire
Found in the Temple of the Black Egg once it has been opened by killing all three Dreamers. The ability itself is granted with the inspection of the Lore Tablet aside the Bench (Hollow Knight).

Trivia

 * The World Sense icon appears on the Completion Achievement.
 * The name of this ability is not mentioned in the game itself but only in the game files; "world_sense_prompt" is the name of the sprite seen when acquiring the ability.