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 the best ending. Also adds new dialogue from Bardoon, Eternal Emilitia, and the Grey Mourner
How to Acquire
Located in Kingdom's Edge, guarded by Hornet.
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.