All Spool Fragment Locations in Hollow Knight Silksong
Spool Fragments are essential collectibles in Hollow Knight Silksong that increase Hornet's maximum silk capacity. Like Soul Vessels from the original game, these fragments allow for more frequent use of silk-based abilities including healing, special attacks, and movement techniques. This comprehensive guide details all 12 spool fragment locations across Pharloom.
Silk System Mechanics
Starting Capacity
33 silk units
Maximum Capacity
99 silk units (with all fragments)
Fragments per Upgrade
3 fragments = 1 capacity increase
Total Upgrades
4 capacity increases
Silk Usage Breakdown
- Bind (Healing): 33 silk per use
- Needle Throw: 15 silk per use
- Thread Abilities: 10-25 silk depending on ability
- Special Moves: 20-40 silk per use
Spool Fragment Locations by Area
🌿 Moss Grotto (2 Spool Fragments)
Spool Fragment #1 - Weaver's Alcove
Location: Hidden chamber above the main moss cavern
Requirements: Wall-jumping ability
Description: Located in a small alcove that requires precise wall-jumping to reach. Look for silk webs indicating the area.
Spool Fragment #2 - Moss Mother's Reward
Location: Secret chamber opened after defeating Moss Mother
Requirements: Defeat Moss Mother, Silk Weaver Tool
Description: A hidden chamber becomes accessible only after the boss fight. Use silk abilities to reach the elevated platform.
🦴 The Marrow (2 Spool Fragments)
Spool Fragment #3 - Bell Tower Ascent
Location: Top of the central bell tower
Requirements: Advanced climbing abilities
Description: Requires navigating the complex bell tower structure. The fragment is hidden behind the largest bell.
Spool Fragment #4 - Merchant's Cache
Location: Secret room behind Shakra's extended shop
Requirements: 150 Rosary to unlock passage
Description: Pay Shakra to unlock a secret passage that leads to this valuable fragment.
🌊 Deep Docks (3 Spool Fragments)
Spool Fragment #5 - Sunken Treasure
Location: Inside a sunken cargo vessel
Requirements: Swimming ability, low tide timing
Description: Accessible only during low tide periods. The fragment is in the ship's locked cargo hold.
Spool Fragment #6 - Lighthouse Beacon
Location: At the very top of the lighthouse
Requirements: Lighthouse puzzle completion
Description: Solve the lighthouse beam puzzle to unlock access to the beacon chamber containing this fragment.
Spool Fragment #7 - Underwater Grotto
Location: Deep underwater cave system
Requirements: Extended diving ability, current navigation
Description: Navigate through dangerous underwater currents to reach this well-hidden grotto.
🪸 Coral Forest (3 Spool Fragments)
Spool Fragment #8 - Crystal Resonance
Location: Inside a resonating crystal formation
Requirements: Sound-based puzzle solution
Description: Use specific silk abilities to create the correct frequency to unlock the crystal chamber.
Spool Fragment #9 - Toxic Depths
Location: Below the poisonous coral pools
Requirements: Poison resistance or quick navigation
Description: Navigate through toxic waters while avoiding poisonous coral growths.
Spool Fragment #10 - Living Coral Gift
Location: Given by a massive living coral entity
Requirements: Complete coral feeding sequence
Description: Feed the coral specific items in the correct order to receive this fragment as a reward.
💀 Bonebottom (1 Spool Fragment)
Spool Fragment #11 - Bone Cathedral
Location: Hidden altar in the bone cathedral
Requirements: Spectral sight ability
Description: Only visible with spectral sight, this fragment is hidden within the cathedral's main altar.
🌫️ Greymoor (1 Spool Fragment)
Spool Fragment #12 - Wind Temple's Heart
Location: Central chamber of the wind temple
Requirements: Wind current mastery, temple key
Description: The final and most challenging fragment to obtain, requiring mastery of all wind-based mechanics.
Optimal Collection Strategy
🎯 Recommended Collection Order
Phase 1: Early Game (Fragments 1-4)
- Focus on Moss Grotto and accessible Marrow fragments
- Provides your first silk capacity upgrade
- Essential for surviving mid-game challenges
Phase 2: Mid Game (Fragments 5-9)
- Tackle Deep Docks and Coral Forest fragments
- Unlocks second and third capacity upgrades
- Enables more aggressive combat strategies
Phase 3: Late Game (Fragments 10-12)
- Complete the most challenging fragments
- Achieve maximum silk capacity
- Prepare for endgame encounters
💰 Resource Management Tips
- Save Rosary: Keep at least 150 for Fragment #4
- Explore Thoroughly: Many fragments are in optional areas
- Return Later: Some fragments require abilities from other areas
- Track Progress: Use our interactive map to mark collected fragments
Silk Capacity Upgrade Timeline
Upgrade 1: Fragments 1-3
New Capacity: 48 silk units (+15)
Benefit: Allows for one additional heal or special ability use
Impact: Significantly improves early game survivability
Upgrade 2: Fragments 4-6
New Capacity: 63 silk units (+15)
Benefit: Enables two full heals per silk bar
Impact: Major survivability boost for mid-game challenges
Upgrade 3: Fragments 7-9
New Capacity: 78 silk units (+15)
Benefit: More frequent use of advanced silk abilities
Impact: Enables more aggressive combat strategies
Upgrade 4: Fragments 10-12
New Capacity: 99 silk units (+21 - maximum)
Benefit: Three full heals or extensive ability usage
Impact: Complete mastery of silk-based gameplay
Spool Fragment Collection Checklist
🌿 Moss Grotto
🦴 The Marrow
🌊 Deep Docks
🪸 Coral Forest
💀 Bonebottom
🌫️ Greymoor
Current Progress
Mastering Silk Management
Collecting all 12 spool fragments transforms Hornet from a resource-constrained explorer into a silk-wielding master capable of sustained combat and exploration. Maximum silk capacity enables aggressive strategies previously impossible, making even the most challenging encounters manageable.
The journey to collect all fragments teaches you about every major area in Pharloom while rewarding thorough exploration. Use our interactive map to track your progress and plan your collection routes efficiently.