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For the strong attacks taught by the Nailmasters, see Nail Arts.

Nail is the term used to describe the bladed weapons wielded by several enemies, NPCs, and bosses in Hollow Knight, including the Knight.


The Nailsmith in the City of Tears can upgrade the Knight's Nail up to 4 times if given enough Geo and Pale Ore, which increase the damage of Nail strikes.

Nail Info

Old Nail
A traditional weapon of Hallownest. Its blade is blunt with age and wear.
Upgrade Cost Default weapon
Damage 5

Sharpened Nail
A traditional weapon of Hallownest, restored to lethal form.
Upgrade Cost  250
Damage 9

Channelled Nail
A cleft weapon of Hallownest. The blade is exquisitly sic balanced.
Upgrade Cost  800 + 1 Pale Ore
Damage 13

Coiled Nail
A powerful weapon of Hallownest, refined beyond all others.
Upgrade Cost  2000 + 2 Pale Ore
Damage 17

Pure Nail
The ultimate weapon of Hallownest. Crafted to perfection, this ancient nail reveals its true form.
Upgrade Cost  4000 + 3 Pale Ore
Damage 21


By jumping and slashing down with the Nail on environmental objects, spikes, or enemies, the Knight can bounce. This move, known as "Nail-bouncing", "pogo-jumping", or simply "pogo-ing" is useful for fighting enemies and platforming. A number of areas can also be accessed early through Nail-bouncing.

In the Fungal Wastes, there are purple mushrooms which the Knight can Nail-bounce on to bounce higher than usual. They must be used as a platform to access the Mantis Village and other locations before obtaining the Mantis Claw, Monarch Wings, or Isma's Tear.

Aside from these mushrooms, there are a few other times where Nail-bouncing is required:


Several Charms in the game affect the performance of the Nail:

Dream Nail

Main article: Dream Nail

The Dream Nail is an Ability given to the Knight by the Seer in the Resting Grounds. It allows the Knight to do various things including accessing the Dream Realm and striking creatures with it to collect SOUL or read their minds.


  • Upgrading the Nail does not change its appearance in the Knight's sprites.
  • Some enemies wield greatnails and nail-lances; however, the Knight can wield neither.
  • Some enemies' health changes when upgrading the Nail.