
For gamers aiming to achieve 100% completion in Hollow Knight: Silksong, navigating the challenges presented in the game is crucial. Understanding the full scope of achievements is paramount for the completionist journey.
The total percentage for completion becomes visible on your game save after you have successfully crafted the Farsight item, which you can do in Bellhome during Act 3. This can help clarify what is required for that elusive 100% completion figure.
To streamline your exploration and minimize wasted effort, this guide outlines all collectibles necessary for completion, highlighting elements that are actually optional—some late-game challenges in Pharloom can be skipped altogether.
Crests

Initially, you’ll need to locate all Crests, one of which is exclusively available in Act 3. While many Crests are discovered through regular exploration, some may require a keen eye to find.
Crest |
Location |
---|---|
Hunter |
Initial Crest found as Hornet begins her journey, upgrades from Eva in Weavnest Atla are needed. |
Beast |
Located far east in Hunter’s March. |
Reaper |
In the large chamber above Moorwing in Greymoor. |
Wanderer |
Discarded west of Bone Bottom, past the Ruined Chapel, accessible via Wormways or climbing with Cling Grip. |
Witch |
Acquired through Yarnaby’s infestation operation wish in Greymoor, requires Twisted Bud from Bilewater. |
Architect |
Purchase Architect’s Key from Underworks with 25 tools, then retrieve the Crest in the above chamber. |
Shaman |
Found using Silk Soarin at the far right of the Ruined Chapel. Follow the path to claim this final Crest. |
Tools

An extensive list of tools exists in the game, and completing this task may take considerable time. To achieve 100% completion, you must acquire all yellow, blue, and red tools. However, certain upgrades are not necessary to reach this goal. For instance, you need the Curveclaw from Hunter’s March, but can skip the Curvesickle upgrade from Far Fields.
You must also collect every Flea since this unlocks the Egg of Flealia tool and Pale Oil, both required for full completion. Likewise, maps are essential for Shakra’s Quest and the Throwing Ring tool.
Red Tools

Tool Name |
Location |
---|---|
Straight Pin |
The Marrow |
Threefold Pin |
Greymoor |
Sting Shard |
Deep Docks (Forge Daughter) |
Tacks |
Sinner’s Road |
Longpin |
Shellwood |
Curveclaw/Curvesickle |
Hunter’s March (Mottled Skarr) / Far Fields |
Throwing Ring |
Bilewater (Shakra) |
Pimpillo |
Greymoor |
Conchcutter |
Sands of Karak |
Silkshot |
Deep Docks / Underworks / Mount Fay |
Delver’s Drill |
Underworks |
Cogwork Wheel |
Underworks (Architect) |
Cogfly |
High Halls |
Rosary Cannon |
High Halls |
Volt Vessels |
Memories |
Flintslate |
Deep Docks |
Snare Setter |
Weavenest Atlas |
Flea Brew |
The Marrow / Greymoor (Flea Caravan) |
Plasmium Phial |
Wormways |
Blue Tools

Tool Name |
Location |
---|---|
Druid’s Eye / Eyes |
Mosshome |
Magma Bell |
Deep Docks (Forge Daughter) |
Warding Bell |
Far Fields |
Pollip Pouch |
Shellwood |
Fractured Mask |
Hunter’s March (Mottled Skarr) |
Multibinder |
Bellhart (Frey) |
Weavelight |
Weavenest Atlas |
Sawtooth Circlet |
Underworks (Architect) |
Injector Band |
Whiteward |
Spool Extender |
Songclave (Jubilana) |
Reserve Bind |
High Halls |
Claw Mirror / Claw Mirrors |
Whispering Vaults |
Memory Crystal |
Mount Fay |
Snitch Pick |
Blasted Steps (Grindle) |
Former Filament |
Sands of Karak (Voltnest) |
Quick Sling |
Bilewater |
Wreath of Purity |
Putrified Ducts |
Longclaw |
Putrified Ducts |
Wispfire Lantern |
Wisp Thicket |
Egg of Flealia |
Putrified Ducts / Fleatopia |
Pin Badge |
Mount Fay |
Yellow Tools

Tool Name |
Location |
---|---|
Compass |
Shakra (varies) |
Shard Pendant |
The Marrow |
Magnetite Brooch |
Bone Bottom (Pebb) |
Weighted Belt |
Far Fields (Mort) |
Barbed Bracelet |
Sinner’s Road |
Dead Bug’s Purse / Shell Satchel |
Wormways |
Magnetite Dice |
Blasted Steps |
Scuttlebrace |
Underworks (Architect) |
Ascendant’s Grip |
Songclave (Jubilana) |
Spider Strings |
Songclave (Jubilana) |
Silkspeed Anklets |
Far Fields |
Thief’s Mark |
Blasted Steps (Grindle) |
Unlockable Abilities
Many abilities are located on the left side of the main inventory screen—primarily movement skills, along with melodies learned on the Needolin.
Name |
Location |
---|---|
Swift Step |
Accessible in the Deep Docks. |
Drifter’s Cloak |
Awarded after completing the Flexile Spines wish in the Far Fields. |
Cling Grip |
Found in Shellwood after defeating Sister Splinter. |
Needolin |
Located in Bellhart after defeating the Widow. |
Needle Strike |
Located in the Blasted Steps following training with the Pinstress. |
Clawline |
Available in the Underworks. |
Faydown Cloak |
Acquired after completing the platforming challenge on Mount Fay. |
Silk Soar |
Discovered in the Abyss during Act 3. |
Sylphsong |
Received after using 18 memory lockets and conversing with Eva in Weavenest Atla. |
Beastling Call |
Obtained after defeating the Bell Eater at the onset of Act 3. |
Elegy of the Deep |
Granted by shamans in the Ruined Chapel; necessary for accessing memory bosses in Act 3. |
Equipment Upgrades

To achieve 100% completion, ensuring your equipment is fully upgraded is vital. The necessary upgrades include:
- Fully upgraded Needle (Bellhart upgrade + 3 Pale Oils)
- Fully upgraded Tool Pouch
- Fully upgraded Crafting Kit
- Two Vesticrests from Eva
- Both Hunter’s Crest upgrades from Eva
Silk Skills

There are six silk skills scattered throughout Pharloom, most of which you can only access in Act 3. The first skill is essential for progressing through the main route, while the additional ones require exploration.
Skill |
Location |
---|---|
Silkspear |
Located in Mosshome, just before the battle with the Bell Beast. |
Thread Storm |
Found in Eastern Greymoor, after releasing balloons from a building. |
Sharpdart |
West of the Wormways, in Weavenest Karn, accessible using the Needolin. |
Cross Stitch |
Rewarded for defeating Phantom in the Exhaust Organ in Bilewater. |
Rune Rage |
Gained after defeating First Sinner in the Slab, following the retrieval of the Key of the Apostate from Putrified Ducts. |
Pale Nails |
Found within the remnants of the Cradle during Act 3. |
Silk Hearts

Initially easy to overlook, your progress for Silk Hearts can be tracked on the main inventory screen, denoted by three white dots. Here’s where to find them:
- Awarded after defeating the Bell Beast
- Awarded after defeating Lace in the Cradle
- Awarded after defeating the Unravelled in Whiteward
Mask Shards

To complete your collection, you need to find all 20 Mask Shards. Most of these can be acquired in the first two acts, but a few are exclusive to Act 3.
Mask Shards are typically hidden throughout various regions of Pharloom.
Spool Fragments

Similar to Mask Shards, 18 Spool Fragments exist within the game. You’ll obtain them through exploration, completing quests, or purchasing them in shops.
Unnecessary Objectives

Players might encounter several objectives that seem significant but do not contribute to the overall completion percentage. Here’s a list of activities you can disregard:
- Not all bosses are mandatory. Only those that drive the main story or yield rewards matter. For instance, Moorwing can be bypassed by initially finding five fleas. You don’t even have to defeat Lost Lace; just getting the Everbloom is sufficient for progression, though defeating her is needed for achievement unlocks.
- Collecting all Mementoes is non-essential; while it enhances a completionist profile, it doesn’t contribute to 100%.
- You don’t need to achieve full completion of the Hunter’s Journal, only enough for Nuu to grant you the tool pouch upgrade.
- Disregard refurbishments for the Bellhome; these are not required.
- Complete Memory Locker collections are unnecessary; only enough is needed to have Eva bind with you.
Focusing solely on the essential objectives while ignoring the optional ones can assist you greatly in your journey. However, if you’re inclined to aim for full completion, feel free to pursue that as well!
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