Hollow Knight Silksong: All Cogheart Locations and How to Use Them

Hollow Knight: Silksong Cogheart piece locations and bell puzzle solutions—Choral Chambers, Whispering Vaults, Memorium—unlock the secret boss.

In Hollow Knight: Silksong, the three Cogheart pieces are one of Pharloom’s best-kept secrets. As of 2026, this little scavenger hunt still hasn’t changed in the latest build, so players can follow these steps without worry. The game barely drops a hint about what they do, so plenty of players end up running around like a headless chicken trying to figure out if the pieces are even worth the trouble. For completionists, though, these gears are the real deal—they unlock a secret side quest and a special boss encounter. This guide breaks down every Cogheart piece location and how to use them, no fluff, just the good stuff.

Cogheart Piece Location #1: Choral Chambers

The first Cogheart piece sits on the west side of the Choral Chambers. Once players reach the spot shown below, they will bump into a bell puzzle where the bells have to be rung in a specific order. Missing a note means backtracking, so it is smart to pause and check the pattern before going ham on the bells.

Using a number label for each bell, the correct sequences are:

• Sequence 1: 1, 5, 4, 6

• Sequence 2: 3, 6, 5, 1, 7

• Sequence 3: 2, 4, 6, 3, 5, 1

After completing the bell puzzle, the first Cogheart piece is in the bag. Then it is time to head toward the Whispering Vaults.

Cogheart Piece Location #2: Whispering Vaults

The second piece lurks in the southwestern part of the Whispering Vaults. This area serves up another bell puzzle, and the pattern here is a little more twisty than the first one.

The solution to the Whispering Vaults bell puzzle is:

• Sequence 1: 1, 2, 7, 4

• Sequence 2: 7, 5, 6, 4, 5

• Sequence 3: 2, 7, 3, 5, 6, 1

After ringing that final bell, a platform rises from the ground. Players should interact with it to claim the second Cogheart piece.

Cogheart Piece Location #3: Memorium

The last piece can be found on the eastern side of Memorium. Heads up: Memorium can only be accessed once the player has unlocked the double jump ability, so anyone who has not grabbed that yet should circle back later.

No surprise here—there is another bell puzzle waiting in Memorium. The correct order is:

• Sequence 1: 6, 5, 4, 3

• Sequence 2: 4, 5, 2, 4, 1

• Sequence 3: 2, 7, 3, 5, 6, 1

Just like the other bell puzzles, solving this one raises a platform that holds the final Cogheart piece.

How to Use the Cogheart Pieces

After collecting all three Cogheart pieces, players can use them to activate the Second Sentinel in the Cogwork Core. The exact location is shown below, marked by the red arrow.

Once players inspect the device and insert the Cogheart pieces, the Second Sentinel is freed. After that, they should explore the Choral Chambers to find the Second Sentinel fighting enemies in different locations. Its appearance is random, so thorough exploration is the name of the game. Players should keep searching until they have seen the Second Sentinel fight enemies twice.

After witnessing the Second Sentinel in combat twice, players need to return to Songclave. There, the Final Audience side quest will show up on the Wish Board. The Final Audience wish tasks players with hunting down the Second Sentinel and defeating them in a boss fight. It is a proper scrap, so players should sharpen their needle, stock up on tools, and make sure their crest loadout is ready before picking that fight.

In short, the Cogheart pieces are a bit of a trek, but the secret boss and side quest make the hunt worth it.

Once the Final Audience is cleared and the Second Sentinel is no longer a threat, players can finally breathe and take in everything the game has left to offer. Between chasing remaining lore fragments, refining their loadout, and revisiting areas with newly unlocked abilities, there is no shortage of post-quest content to sink time into. The hunt for the Cogheart pieces may be over, but the sense of discovery it sparks tends to carry over into every corner of the map it unlocks.

For players who enjoyed this kind of hidden-content scavenger hunt, plenty of similar action RPGs are worth exploring next. Whether you are picking up a DLC for the same title or eyeing a fresh adventure with equally cryptic puzzles, it never hurts to compare costs before pulling the trigger. A quick trip to [check game prices]( can help you stretch your budget further, so you can keep the momentum going without burning a hole in your wallet.

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All Main Story Quests and Wishes in Hollow Knight Silksong

Hollow Knight: Silksong includes 21 main quests and 54 Wishes; one run caps at 20 main quests. Regular ending needs 9, true ending and 100% demand more.

Hollow Knight: Silksong structures its adventure through a layered system of main story quests and optional Wishes, guiding players across the vast kingdom of Pharloom. The campaign is divided into three acts, and across those acts the game contains a total of 21 main story quests. However, a player will only be able to complete at most 20 of these quests during a single playthrough. This restriction is linked to a branching point that is highlighted by the asterisk placed next to the Soul Snare quest. Players who aim for the regular ending can conclude the journey after finishing only nine main story quests.

The complete set of main story quests in Hollow Knight: Silksong is recorded below. These quests form the backbone of Hornet's journey through the game's regions and narrative beats.

Main Story Quest

1
The Great Citadel

2
The Threadspun Town

3
Grand Gate

4
Silent Halls

5
Pharloom's Crown

6
Conductor's Melody

7
Vaultkeeper's Melody

8
Architect's Melody

9
Pale Monarch

10
Soul Snare *

11
After The Fall

12
Awaiting the End

13
Beast in the Bells

14
The Dark Below

15
Return to Pharloom

16
Spell Seeker

17
The Old Hearts

18
Heart of Might

19
Heart of the Woods

20
Heart of the Wild

21
Last Dive

The main story quests carry Hornet through a wide range of environments and objectives. Several quests follow a clear thematic chain, such as the trio of melodies connected to the Conductor, the Vaultkeeper, and the Architect. Later entries focus on the Old Hearts and a sequence of four Heart quests, which point toward Pharloom's deeper mysteries and the hidden forces shaping the kingdom. The final main quest, Last Dive, serves as the closing narrative step for runs that unlock its full path.

Beyond the main story, Hollow Knight: Silksong includes 54 side quests known as Wishes. These Wishes are optional for reaching the regular ending, but they become essential for players who want to see everything the game has to offer. To unlock the third act and experience the true ending, a fairly large number of Wishes must be completed. Likewise, players who hope to achieve 100% completion will need to clear every available main quest and every Wish.

The completion thresholds in Hollow Knight: Silksong can be summarized as follows:

• 🎮 Regular ending: complete 9 main story quests

• 🌙 True ending: complete all three acts and a substantial portion of the 54 Wishes

• ✅ 100% completion: complete all available main story quests and all 54 Wishes

The asterisk attached to Soul Snare is a notable detail for completionists. Because of this special case, a single run can only include 20 of the 21 main story quests. This means that seeing every quest in the game may require careful routing or a second playthrough with different choices. The Wishes add another layer of depth by rewarding exploration, NPC interactions, and optional challenges scattered throughout Pharloom. For players who want the full Hollow Knight: Silksong experience, tracking both the main quests and the Wishes is just as important as mastering Hornet's combat and movement abilities.

With such a dense list of objectives, it is no surprise that many players plan their entire playthrough well in advance. Between the main quests, the Wishes, and the special routing required for the Soul Snare quest, Hornet's journey through Pharloom can easily stretch to dozens of hours. Whether you are diving in for the first time or preparing for a completionist run, being sure you have the right version of the game is just as important as knowing every questline.

For anyone still deciding where to pick up Hollow Knight: Silksong, it is worth checking a few retailers before committing. Prices can vary across platforms and regional stores, and a quick search may save you a little extra that you can put toward future DLC or other indie gems. If you want to make the most of your budget, you can [compare prices here]( before your journey to Pharloom begins.

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My 2026 Search for Every Simple Key and Simple Door in Silksong

Find all Hollow Knight: Silksong Simple Keys and Simple Doors locations with this guide, covering vendor costs, world pickups, and boss/quest unlocks.

When I started a fresh run of Hollow Knight: Silksong in 2026, I made a promise to myself: no locked Simple Door would remain closed. Simple Keys are rare items that open Simple Doors, allowing Hornet to access new areas, hidden treasure caches, quest objectives, and shortcuts. In my first playthrough, I underestimated them because the game never flashes a trophy for opening all doors. But after countless long treks back to bosses, I changed my mind.

The main challenge is that Simple Keys are not grouped in one convenient spot. Two are sold by NPC vendors who demand huge Rosary payments, while the other two are objects you pick up somewhere on the map. One of those pickups is tied to a quest, and another only appears after you beat one of Silksong's deadly bosses and unlock a bench. This distribution makes them easy to miss, especially when the map is still mostly unexplored. Why do I call them rare? Because on a blind run, you might complete several hours without ever seeing one.

How I Found the Four Simple Keys

The most important rule I learned is that no Simple Key is tied to a specific Simple Door. Any Key can open any Door, so you don't need to stress about matching them.

Here is how the four Keys are distributed:

Key Source
Number
My Experience

NPC vendors
2
Both asked for a large number of Rosaries; I had to delay buying one until I'd farmed enough in the mid-game.

World pickups
2
One was hidden in a route I only found after using Hornet's movement abilities; the other came from a quest chain and a boss bench.

In practice, the vendor Keys forced me to choose between spending Rosaries on permanent upgrades or opening a shortcut. The scattered Keys were less about money and more about observation. I started marking every suspicious corner on my map, and that habit made backtracking far less painful.

The quest-related Key took the longest. It was not a simple matter of walking to a point on the map. I had to complete a chain of objectives first, which meant more combat, more exploration, and more patience. The boss-related Key felt rewarding immediately because it unlocked next to a bench. After that fight, I could finally rest, recover, and grab the loot in the same moment.

Simple Doors: Where Keys Actually Get Used

Having a pocket full of Simple Keys means nothing if I couldn't remember where the Simple Doors were. There are four disconnected locations across the map, and unless you mark them as soon as you find them, you'll waste time wandering back. I learned that the hard way when I passed an early Door, forgot its exact position, and then had to retrace my steps for nearly twenty minutes.

Not every Door can be reached from the start. Some require special abilities like Hornet's Double Jump or Dash, and until you progress far enough, they remain inaccessible even if you already have a spare Simple Key. This is where the game rewards thorough exploration. I would often spot a Door from a ledge and make a mental note: "Come back once Dash is ready."

The following table summarizes how I handled the Doors:

Door Challenge
My Approach

Door blocked by movement ability
I waited until I had Double Jump or Dash before returning.

Door in an obscure corner
I placed a map marker immediately so I didn't lose it.

Door near a dangerous route
I opened it only after clearing nearby enemies to avoid repeated deaths.

Opening these Doors can lead to shortcuts, new areas, or even important quests tied to hidden parts of Silksong's story. Given how brutal some boss run-backs can be, extra paths are incredibly helpful. Instead of repeating a long deadly corridor, I could take a shorter route and arrive with more health and more focus.

Is It Worth Finding Every Key and Door?

Absolutely. There may be no achievements or trophies tied to opening every Simple Door, but the quality-of-life improvement is huge. Once I found every Simple Key and opened the Doors I had marked, navigation became much less stressful. I could focus on other goals instead of dreading every trip across the map.

So, should you chase down all four Simple Keys? If you value shortcuts, hidden treasures, and a less frustrating route through Pharloom, the answer is yes. Just keep your map markers organized, farm Rosaries when you can, and be ready to return to locked Doors once Hornet learns a few essential movement skills.

That same mindset of hunting down every hidden key and maximizing every reward is exactly what I bring to building my game library. If you are the kind of player who enjoys squeezing every bit of value out of an experience, you likely already know that patience pays off both in Pharloom and at the checkout screen. Why pay full price when a little research can unlock savings just like a Simple Key unlocks a shortcut? For those who want to stretch their gaming budget further, it is worth checking out [where to buy cheap games]( before committing to your next purchase.

DealNest rounds up solid deals across platforms, helping you compare prices the same way you might compare routes between two Door locations. A few minutes of browsing can save you enough to fund your next Steam purchase or that indie gem you have been eyeing. After all, the smartest explorers in Hallownest and Pharloom never walk into a shop without knowing exactly what they should be paying.

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Team Cherry Reveals Second Hollow Knight: Silksong Patch with Fixes and Clarity

Hollow Knight: Silksong patch 1.0.28626 by Team Cherry hits public beta and fixes unfair boss bugs, softlocks, and NPC issues. No difficulty changes.

The lantern-lit halls of Pharloom saw a fresh wave of pilgrims in the weeks after Hornet's solo journey began. Hollow Knight: Silksong has already gathered more than five million players across every platform, with half a million of them arriving on Steam within hours of release. That enormous player base meant every hidden bug was quickly dragged into the light. Team Cherry has responded with a second post-launch patch. Version 1.0.28626 is now live in the public beta, and the studio says it is getting close to finalising the update for a full rollout.

The first patch had lowered the difficulty of two early bosses. This time the developers did not include any direct difficulty adjustments. They focused instead on fairness. A player might have lost a battle because a Savage Beastfly stayed beneath the lava in Far Fields, or because Shrine Guardian Seth slipped out of bounds mid-fight. Such moments felt less like a challenge and more like a betrayal. The new patch fixes those exact problems, along with several other combat quirks.

⚔️ Combat and Boss Fixes

The patch notes read like a detailed map of small frustrations. Lugoli will no longer fly off screen and refuse to return during battle. Silk Snippers have a lower chance of getting stuck out of bounds in the Chapel of the Reaper fight. Some deaths caused by killing a boss at the same moment as being killed led to messy or out-of-sync death sequences, and those have been tidied up.

Several weapon and skill issues were also corrected. The break counter now works properly for certain multihitter tools, including the Conchcutter. The Volt Filament damage multiplier applies correctly to more Silk Skills. Curveclaw no longer breaks on the first hit after being deflected. Cogflies and Wisps will not inappropriately target Skullwings, and Cogflies will stop resetting their health to full when the scene changes. These fixes may seem small from a distance, but in the middle of a long boss run they can decide whether a run survives or collapses.

🧭 Exploration, NPCs, and Visual Polish

Beyond combat, the update touches many corners of the map. Cocoon positions have been adjusted in some locations so they will not spawn in inaccessible areas. The Shaman Binding into a bottom transition could cause a softlock, and that has been fixed. Steel Soul mode gets attention too: the Liquid Lacquer courier delivery is now accessible. Some NPCs were not correctly playing cursed hint dialogues, and Pondcatcher Reed can now fly away after singing instead of lingering awkwardly. Verdania memory orbs will no longer replay layered screen-edge burst effects. At benches, the Plasmium Phial and Flea Brew should now restore as intended.

There is also a new visual option. A Dithering effect can be toggled in Advanced video settings. It reduces colour banding, though it can slightly soften the appearance of foreground assets. By default it is switched off. For players chasing perfection, the Herald's Wish achievement description has been updated. It now clearly states that a player must both complete the wish and finish the game. This clarity will help completionists who want to earn every mark in Pharloom without guessing.

🏆 A Successful Climb, Refined

Fans who found Silksong harder than the original Hollow Knight may be disappointed that no further difficulty-lowering changes are planned for now. Others will welcome the continued challenge. Whatever the preference, the game's momentum is undeniable. More than five million players have already begun the climb, and Team Cherry is still listening. The final version of Version 1.0.28626 will likely differ slightly from the current beta build. Players will not have to wait long to discover how those final touches affect the journey. For now, the public beta offers a glimpse of a sharper, fairer Pharloom, one small fix at a time.

With the final release of the update drawing closer, now is an ideal moment for both newcomers and returning players to prepare for the journey into Pharloom. The refined combat, polished visuals, and clarified achievement details make this the most welcoming version of the game yet. For those who have not secured a copy, prices can vary noticeably across platforms and storefronts, so running a quick [game price comparison]( before purchasing is always a smart move. DealNest brings together offers from multiple retailers, helping you find the best deal without sifting through dozens of tabs.

The public beta offers the perfect chance to experience these fixes firsthand and watch the game evolve ahead of the full rollout. Whether you are hunting down every achievement or simply enjoying the atmosphere, the improvements are immediately apparent. With millions of players already making the climb and Team Cherry still hard at work, there has never been a better time to step into the world of Silksong.

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