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☆ Full Interactive Map of Pharloom!
★ Mask Shards | Spool Fragments | Abilities
☆ Boss Guides: Moorwing | Savage Beastfly | Widow
★ Tasks & Wishes: Berry Picking | The Lost Fleas

Cogwork Core is a location in Hollow Knight: Silksong. See a map of Cogwork Core, a list of points of interest including locations for bosses, wishes, tools, skills, abilities, crests, NPCs, items, and a guide to 100% the area here!
List of Contents
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Pharloom Full Map and All Locations
| Cogwork Core Points of Interest | |
|---|---|
| Bosses | Wishes |
| NPCs | Items |
| Boss | Location |
|---|---|
Cogwork Dancers
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![]() Cogwork Dancers are a boss pair that you need to fight to unlock the next main quest in Act 2. They can be located in a room that intersects Cogwork Core and Choral Chambers. After defeating them, you will gain access to an elevator. |

The Architect's Melody can be learned in Cogwork Core by solving a puzzle in the upper portion of the area.
| NPC | Location |
|---|---|
| Green Prince | ![]() Found in the left pathway after defeating the Cogwork Dancers. |
| Second Sentinel | ![]() Found at the upper-right portion of the room below where the bench is. Avoid the shifting gears and automaton enemies. 3 Cogheart pieces are required to activate the Second Sentinel. |
| Overworld View | Map Location | |
|---|---|---|
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| Found in front of the shortcut connecting Choral Chambers and Cogwork Core. You will fight multiple waves of enemies in a closed room before gaining access to the area where the item is. | ||
| Overworld View | Map Location | |
|---|---|---|
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|
| Found in the lowest area of Cogwork Core. You will need to avoid moving gears connected to mechanisms to get to the item. | ||
All 18 Spool Fragment Locations
| Item | Location |
|---|---|
| Shard Bundle | ![]() Found just left of where the Second Sentinel is. Enter the left room below where the bench is located and go up to find the item. |

Pharloom Full Map and All Locations
| Pharloom Locations | ||
|---|---|---|
| Moss Grotto | The Marrow | Deep Docks |
| Far Fields | Hunter's March | Greymoor |
| Wormways | Bellhart | Shellwood |
| Blasted Steps | Grand Gate | Underworks |
| Choral Chambers | The Slab | Mount Fay |
| Whiteward | Wisp Thicket | Cogwork Core |
| Whispering Vaults | Memorium | Putrified Ducts |
| Bilewater | Weavenest Atla | Sinner's Road |
| High Halls | The Cradle | Sands of Karak |
Cogwork Core 100% Map Guide

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