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Silksong Cogheart Locations, Bell Orders, and How to Use Them

Find the three Cogheart Pieces in Choral Chambers, Whispering Vaults, and Memorium, repeat each bell order, then activate the Second Sentinel in Cogwork Core.
Length1 min Posted Quest giverVGSources Team
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To get the Cogheart in Hollow Knight: Silksong, collect three Cogheart Pieces in Choral Chambers, Whispering Vaults, and Memorium. Solve each area’s bell-memory puzzle by repeating the notes in order, combine the pieces, then use the Cogheart on the Second Sentinel in Cogwork Core.

Where to find the three Cogheart Pieces

The pieces are in three separate areas. Use these landmarks to locate each puzzle room:

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  • Choral Chambers: west of the tall room that leads to The Slab.
  • Whispering Vaults: in a room below the entrance to The Stage.
  • Memorium: east, in the room above the map room.

These directions use nearby landmarks rather than a full route; they do not establish any specific ability or traversal requirement. Hollow Knight Wiki

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Bell orders for each Cogheart puzzle

Listen to each bell sequence, then strike the numbered bells in the same order. The numbering below runs left to right, except in Memorium, where the bells are numbered up to down. A failed round resets that round, according to the Hollow Knight Wiki.

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Area Bell orders
Choral Chambers (left to right) 1-5-4-6
3-6-5-1-7
2-4-6-3-5-1
Whispering Vaults (left to right) 1-2-7-4
7-5-6-4-5
2-7-3-5-6-1
Memorium (up to down) 7-2-4-6
4-2-1-4-3
1-5-6-2-7-3

A walkthrough from All Things How differs on some sequences, round counts, and Memorium patterns. The orders in this table follow the complete set published by the Hollow Knight Wiki; the conflicting walkthrough is not combined with them.

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How to assemble and use the Cogheart

After collecting all three Cogheart Pieces, combine them to make the Cogheart. Take it to Cogwork Core and use it on the Second Sentinel. The Hollow Knight Wiki identifies activating the sentinel as required to participate in the Final Audience Wish.

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