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There are 46 Grubs to rescue in Hollow Knight. Break each real Grub’s jar with the Nail and it returns to the Grubfather; after defeating the Collector in the Tower of Love, you can use the Collector’s Map to mark unfreed Grubs on area maps you have purchased.
This guide groups the numbered locations by region and preserves the room directions and access requirements in the Hollow Knight Wiki’s Grub location table. A listed ability or encounter is an access requirement for that location, not necessarily the only possible route.
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How to track down the remaining Grubs
You can search manually by region or use the Collector’s Map for a completion sweep. The map is obtained after defeating the Collector in the Tower of Love. It marks unfreed Grubs on purchased area maps, so it is useful for narrowing down a search but does not replace having those maps.
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- Collector’s Map: Defeat the Collector, then check each area map you own for unfreed-Grub markers.
- Community map: The Hollow Knight Interactive Map offers a community-made tracking aid; it is not affiliated with Team Cherry.
If a marker seems to be missing, first check that you have purchased that area’s map. One player reported finding their last Grub after buying the Fog Canyon map, so this is a useful troubleshooting check rather than a guarantee that every missing marker has the same cause.
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Grub locations by region
Requirements in parentheses identify the access gate or encounter noted for that entry. For the full numbered room descriptions, use the linked location table; the entries below retain its exact directions rather than replacing them with broader regional pointers.
Forgotten Crossroads
Use the Forgotten Crossroads entries in the numbered location table for each room’s exact directions and any listed requirement.
Greenpath
Use the Greenpath entries in the numbered location table for the room descriptions and access details.
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Fungal Wastes
Check the Fungal Wastes entries in the numbered location table; requirements vary by room.
City of Tears
The City of Tears entries and their room-specific directions are listed in the location table.
Crystal Peak
Consult the Crystal Peak entries in the location table for the exact room routes and any listed ability gates.
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Resting Grounds
The Resting Grounds entry is described in the numbered location table.
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Use the Royal Waterways entry in the location table for its room-specific directions.
Howling Cliffs
Use the Howling Cliffs entry in the location table for the exact room description.
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Kingdom’s Edge
See the Kingdom’s Edge entries in the numbered location table for room directions and listed requirements.
Fog Canyon
The Fog Canyon entry and its exact directions are in the location table. If its marker is absent, verify that you have bought the Fog Canyon map.
Queen’s Gardens
Consult the Queen’s Gardens entries in the location table for the room-specific routes.
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Deepnest
The Deepnest entries are listed by number with exact room directions in the location table.
Ancient Basin
Use the Ancient Basin entries in the location table for their directions and any noted access requirements.
The Hive
The Hive entry is described in the numbered location table.
Ability gates and encounters
Grub routes span early and late areas, and several entries have progression gates. The location table lists requirements including Mothwing Cloak, Mantis Claw, Desolate Dive, Crystal Heart, Monarch Wings, and Isma’s Tear. It also notes locations where a named guardian or the Collector must be defeated. Check the requirement alongside a location before making a detour; a guard is an encounter to overcome, not an ability requirement.
Check suspicious jars for Grub Mimics
Some jars contain Grub Mimics rather than rescuable Grubs. Use the Dream Nail on a suspicious jar’s occupant: real Grubs say “…Home…”; Mimics say “…Kill…”, “…Empty…” or “…Other…”.
Grubfather reward milestones
Rewards are based on the total number of Grubs rescued, not on which numbered Grubs you find. The notable milestones are:
Quick Recap
| Grubs rescued | Reward |
|---|---|
| 5 | Mask Shard |
| 10 | Grubsong |
| 23 | Hallownest Seal |
| 31 | Pale Ore |
| 38 | King’s Idol |
| 46 | Grubberfly’s Elegy |
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