Hollow Knight Abyss
The area of abyss is itself contain a huge chasm as well as scattered the shells of vessels of those things which are born in the abyss and then died due to ruins.
Hollow knight abyss. In this stage of hollow knight gameplay the challenging boss moving in the abyss which is the lowest area of hollownest as well as located below the ancient basin. When the knight approaches the door with 15 lifeblood masks the 15 orbs next to the door will begin to glow one by one until the last one is shining a bright blue hue and the blue vines disappear leaving behind a glimmer with the. The head of the abyss creature.
It makes no noise and cannot be interacted with in any way. The abyss contains a door that requires 15 lifeblood masks to open which is most easily opened with joni s blessing in conjunction with other lifeblood sources. It is also the home of the void and the birthplace of the vessels.
This page of the ign hollow knight wiki guide includes instructions on how to find and progress through the abyss an area in the deepest reaches of hallownest. The abyss lies beneath the ancient basin where a huge amount of corpses of the failed vessels and their shades can be found. For information on other sections.
It is referred to in the game files as abyss creature though only the head sprite exists for it.