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– Grubfather
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The Grubfather is an NPC in Hollow Knight. He is an elderly Grub who bemoans the loss of his children.[1]


The Grubfather is the ageing patriarch of a colony of Grubs who make their home in a room in the Forgotten Crossroads.[3] Grubs are harmless creatures who have a good sense of direction and are highly skilled tunnelers.[4] They are known to collect shiny things in their burrows, such as Geo and Relics.[3]

Due to mysterious reasons, all of the Grubfather's children disappeared. The Grubs can be found trapped in jars in various locations throughout Hallownest, locked there by the Collector.[5]

In-game events


When the Grubfather is first encountered, he is crying as all the Grubs have been taken from their dens. When returning after freeing Grubs, the Grubfather grants rewards such as Geo and other items according to how many Grubs have been saved.

After all Grubs have been rescued and the rewards collected, returning to the Grubfather reveals that all the Grubs are gone from their holes, and the Grubfather is now laying in the centre of the room, his stomach extremely bloated. The muffled noises of Grub chatter can be heard from inside him. This appears to be part of the life cycle of Grubs where they will metamorphose into a Grubberfly.[6][7]


Main article: Grubs

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  • Happy...happy...happy!!!


The Grubfather is found in the northwest corner of the Forgotten Crossroads in a room full of small Grub dens; this room is referred to as the "Grubhome" in an official map.[8]



Achievement Grubfriend.png Grubfriend
Rescue half of the imprisoned grubs
Achievement Metamorphosis.png Metamorphosis
Rescue all of the imprisoned grubs


  • After all Grubs have been freed and the Grubfather is lying in the centre of the room, he can be hit with the Nail. This deals no damage and only makes the Grubfather laugh.
    • Down-striking with the Nail causes the Knight to launch extra high.
  • The Grubfather is one of the few NPCs who can be "hit" with the Nail without taking damage.


  1. 1.0 1.1 Official manual: "Grubfather. Portly old Grub who bemoans his missing colony. His many children can be found strewn about Hallownest, [...]."
  2. Deleted livestream on Mixer
  3. 3.0 3.1 Wanderer's Journal, p. 27.
  4. Wanderer's Journal, p. 26.
  5. The Collector Hunter's Journal entry: "Preserves Hallownest's creatures in glass jars with particular attention given to Grubs."
  6. Grubberfly's Elegy description: "Contains the gratitude of grubs who will move to the next stage of their lives."
  7. Metamorphosis Achievement.
  8. Promotional map.