Hollow Knight Silksong Apostate Key Location & Guide
The Apostate Key is a late-game item in Hollow Knight Silksong, used to unlock a sealed door inside the Slab. Like the Simple Key from the first game, this key is hidden away and requires careful exploration to obtain. This guide covers where to find the Apostate Key, where to use it, and what reward it unlocks.
Where to Find the Apostate Key
The Apostate Key is located north of Bilewater.
Start from the Bench at the north of Bilewater.
Head left, then use the green orb on the right side to launch upward.
Climb onto the wooden platform above.
Keep moving upward by wall-jumping until you reach another wooden scaffolding on the left.
Jump onto the scaffolding, then continue left until you reach the end of the path.
At the end, you’ll see a birdcage on the ground. Break it open to release the Apostate Key, then interact to collect it.
Where to Use the Apostate Key
The Apostate Key is used at the Slab, specifically at a locked door near its Bellway.
From the Slab Bench, move left and climb upward.
Continue right, then jump to the upper platform.
At the top, you’ll find a locked door with a keyhole. Interact with it to use the Apostate Key.
Unlocking the door grants access to the Apostate’s chamber and allows progression deeper into the Slab.
Rewards for Using the Apostate Key
Opening the Apostate door rewards you with the second Needle upgrade. This upgrade is a major boost to Hornet’s damage output and makes late-game bosses significantly easier to manage.
Final Blurb
The Apostate Key is a hidden item north of Bilewater, found inside a birdcage at the end of an upper path. Once collected, it unlocks the sealed door at the Slab, rewarding you with a powerful Needle upgrade. It’s one of the most valuable exploration rewards in Hollow Knight Silksong.
FAQ
Where is the Apostate Key found?
It is north of Bilewater, hidden inside a birdcage at the end of an upper path.
What is the Apostate Key used for?
It unlocks the sealed door at the Slab.
What reward do you get from the Apostate door?
You receive the second upgrade for Hornet’s Needle.
Is the Apostate Key required to finish the game?
No, but unlocking the Needle upgrade makes the late game much easier.
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