The Silksong Apostate Key is found in the depths of the Royal Region, specifically near the area of the Lurkers’ Den. This key is essential to unlocking The Slab, granting access to hidden secrets and challenges within the game.

Silksong Apostate Key Location for The Slab

Hey gamers! Looking to snag the Apostate Key in Hollow Knight: Silksong? You’re in for a challenge, but once you know what to do, you’ll be diving into those twisted depths in no time! If you haven’t been kidnapped by The Slab yet, you’ll first meet this locked door when you venture left from the Choral Chambers in Act 2.

This key unlocks a whole bunch of secrets, so here’s the lowdown on where to find it and how to access those hidden areas.

Finding the Apostate Key

Hollow Knight: Silksong Apostate key location
You can get to the Putrified Ducts via Memorium, which is accessible via the Choral Chambers once you have the Faydown Cloak.

To score the Apostate Key, you’ll need to get to the Putrified Ducts. First things first: unlock the Faydown Cloak double jump by scaling Mount Fay, then enter the Memorium from the top level of the Choral Chambers. Here’s your step-by-step guide:

  1. Make your way to Songclave and find the first shrine. Start moving toward the Cogwork Dancers boss.
  2. You’ll spot a point where you can leap into the Memorium.
  3. Head to the far right side of the area, cross a bridge (watch out for bats!), and you’ll find merchant Jubilana during The Lost Merchant quest.
  4. Jump up at the end of the bridge to find the entrance to the Putrified Ducts.

If you’re feeling brave, you can also defeat Groal the Great at the top of Bilewater and use the shortcut he opens up to reach the Ducts.

Hollow Knight: Silksong Apostate key in a cage
Smash the cage to get the key inside.

Once you’re inside the Putrified Ducts, navigate down to the main shaft, all the way to the bottom, then head left. You’ll need to jump back up into a dark tunnel (beware of a giant enemy lurking around!). At the end of this tunnel, you’ll find the Apostate Key in a smashable cage. Time to head back to The Slab and unlock that door!

Tips and Tricks

  • Use your double jump frequently: Mastering the Faydown Cloak will help you reach tricky spots.
  • Watch your environment: Enemies often drop useful items, so be attentive to the landscape—especially where bats are swarming.
  • Explore every nook: You never know what hidden items or secret passageways you might find!
  • Save often: Make use of shrines to save your progress, especially before tackling tough bosses like Groal.
  • Join online communities: Engage with fellow players on forums or social media for tips and strategies.

So grab your weapon and get out there! Those dark secrets are waiting just for you. Happy gaming!

Game Information Box

  • Name: Hollow Knight: Silksong
  • Developer: Team Cherry
  • Platforms: PC, Nintendo Switch, Xbox One, PlayStation 4
  • Retail Price: Estimated $30
  • Release Date: TBA (Expected in 2024)
  • Where to Buy: Steam, Nintendo eShop, Xbox Store, PlayStation Store

Finding the Apostate Key location in Hollow Knight: Silksong is surprisingly difficult. For those who didn’t get kidnapped by The Slab‘s jailers earlier in the game, you’ll first encounter this area heading left out of the Choral Chambers in Act 2. The only thing is, most of the region is locked behind a door that requires an Apostate Key.

If you want to explore what dark and dingy secrets this prison region has to offer, you’ll have to hunt it down. That being said, here’s where to find the Apostate Key in Silksong and how to get to the areas it’s in.

You can find the Apostate Key in the Putrified Ducts region. To get here, you’ll first need to unlock the Faydown Cloak double jump by climbing Mount Fay, and then enter the Memorium area on the top level of the Choral Chambers. Essentially:

  1. Head to Songclave and the first shrine, then go along the route to the Cogwork Dancers boss.
  2. Along the way, you’ll find a point where you can jump up into Memorium.
  3. From here, you’ll want to go to the far right of the area, where you can get outside and cross the top of a bridge where a load of bats will attack you (Incidentally, this is also where you find the merchant Jubilana in The Lost Merchant quest).
  4. Jump up at the far end and you’ll find the entrance to the Putrified Ducts.

You could also take an entirely different route by defeating Groal the Great at the top of Bilewater and opening the shortcut above him.

Once in the ducts, you’ll want to navigate to the point above, finding the main shaft, going all the way down to the bottom, going left, and then hopping up into the dark tunnel going left again—watch out for the giant enemy here. At the far end of the corridor, you’ll find the Apostate Key in a smashable cage. Now you just need to head back to The Slab, where you can open the door.

Feel free to share your tips, tricks, or even game codes about this game in the comments below! Your insights could help other players on their journey!

By David Smith

Game reviewer, tech journalist and gaming enthusiast. I am an expert on Playstation 4 and 5 games, Xbox games, and PC games from the 2005 and 2025 period.

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