Mature gruzzer that carries its young in its belly. Attacks by hurling its huge body around.

Bizarrely, this monster does not lay eggs but instead carries its young inside its fat stomach. This strange practice seems to exhaust the creature, making it sleepy and vulnerable. Take advantage!


Behaviour and Tactics

Hollow Knight Boss Discussion - Gruz Mother

Hollow Knight Boss Discussion - Gruz Mother

Gruz Mother Guide Video

Found sleeping in a small arena. Will only attack once damaged.

  • Charge: Charges straight at The Knight
  • Zig-Zag Slam: Repeatedly slams herself between the floor and the ceiling

When Gruz Mother dies, she spawns a swarm of 7-8 Gruzzers that must also be defeated before the player can leave the boss area.

Dream Nail Dialogue
  • ...Full...Almost time...
  • ...Danger...Tired...Kill...
  • ...Sleep... Dying...


Found in the Forgotten Crossroads, sleeping peacefully until disturbed.

Two are fought at once in the Colosseum of Fools, however, they do not spawn Gruzzers upon death.


Gameplay Demonstration - Gruz Mother

Gameplay Demonstration - Gruz Mother

  • Gruz Mother was the first mini boss revealed in a YouTube gameplay demonstration video in which it was referred to as "Empress Muzznik".