Marks the bearer as King. Hallownest's ancient places shall open before it.
Allows the player to access the door at the bottom of the Ancient Basin leading to The Abyss, which is required to unlock two Endings. Also adds new dialogue from Bardoon, Eternal Emilitia, and the Grey Mourner.
How to Acquire
After the player gets marked with the King's Brand, the cave will start falling apart. Hornet will save the player from being buried down the cave's pieces.