The **Cogwork Core** in Hollow Knight Silksong is a perilous mechanical labyrinth filled with timed obstacles, combat trials, and critical upgrades. Master its challenges to claim the **Architect’s Melody**, a pivotal item for late-game progression.
How to Enter the Cogwork Core
- **Defeat the Cogwork Dancers** in the Choral Chambers.
- Drop through the arena’s floor into the mechanized underbelly.
This area serves as a hub connecting multiple Citadel zones, but its ultimate reward lies at the summit.
Cogwork Core Map Location
- Upon entering, head left into the glowing structure.
- **Spin the wheel** to summon a Bench.
- Climb the wall and **activate the pressure plate** to reveal the map.
West Gauntlet and Mask Shard
- Descend the main shaft and take the **left exit**.
- Survive waves of enemies on shifting platforms while avoiding saw blades.
- **Reward**: A Mask Shard and a shortcut back to the Choral Chambers.
Spool Fragment Location
- From the central shaft, maneuver southeast past saw traps.
- Battle the **Cogwork Clapper**:
- Lure it using the nearby wheel and attack from the corridor.
- Progress through steam vents to claim the **Spool Fragment** and activate a shortcut lever.
Central Gate Shortcut
- Ascend the right side of the shaft by **pogoing off saws**.
- Strike the ceiling wheel to unlock the gate for faster traversal.
Reaching the Summit
- Use **Clawline hooks** and rotating platforms to climb.
- Solve the trapdoor puzzle:
- Reattach hooks mid-air and time swings to bypass moving hazards.
- Defeat Cogwork Defenders to access the peak.
Pillar Puzzle Solution
- Align the **rotating sections** on four pillars to form matching patterns.
- Successful alignment causes pillars to sink, revealing a pressure plate.
- Use the **Needolin** on the plate to learn the **Architect’s Melody** (required for Act 2 progression).
Whispering Vaults Entrance
- Descend and take the lower right exit missed earlier.
- Defeat a Vaultkeeper and unlock a wheel-activated path to the Choral Chambers.
- Enter the **Whispering Vaults**, a new sub-region within the Citadel.
FAQ
How do you get the Cogwork Core map?
- Spin the wheel in the glowing building near the entrance, then activate the pressure plate after climbing.
Where is the Mask Shard in Cogwork Core?
- Complete the west gauntlet’s combat challenge.
How do you solve the pillar puzzle?
- Rotate pillar sections until all patterns match, causing them to sink.
What reward do you get at the top?
- The **Architect’s Melody**, essential for accessing Act 2’s final areas.