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Fragile Strength is a Charm in Hollow Knight. It increases Nail damage by 50%.[Note 1]

Usefulness

Fragile Strength does not affect damage from Nail Arts or the Sharp Shadow, Dreamshield, and Thorns of Agony Charms.

It is an extremely powerful Charm. It permanently provides a similar benefit to Fury of the Fallen without needing to be at one Mask, costing only one more Notch. The combination of both Fury of the Fallen and Fragile Strength provides a ~170.6% damage increase when the Knight is at one Mask.[Note 2]

The downside is that once broken, Leg Eater only repairs it for a price. In the late-game, the cost may not be much of an issue, but the trip to Leg Eater might be. Dreamgate can be used to reach Leg Eater more easily.

This Charm is quite potent, although it breaks upon death. One way to make use of the Charm is to only use it in situations where death is unlikely, such as exploration, or in tandem with survivability-increasing Charms, while also avoiding its use in boss battles, except for Dream Boss battles and Godmaster Icon.png Godhome battles (as the Charm does not break when dying to these bosses).

Lastly, its drawback is negated in Steel Soul runs since the run is over upon death anyway, making Fragile Strength one of the most powerful and useful Charms in a Steel Soul run.

How to Acquire

Purchased from Leg Eater in the Fungal Wastes for Geo.png 600. Wearing the Defender's Crest Charm causes Leg Eater to lower the cost to Geo.png 480.

  • Shop description:
You're weak, aren't you? You should give me Geo. If you do, I'll give you this charm I made. It will make you stronger. Your enemies, and everyone else, will fear you at last...

When broken, Leg Eater can repair it for Geo.png 350, or, while wearing the Defender's Crest, for Geo.png 280.

  • Shop description when broken:
It's broken now, and its power is sleeping. Very sad! Give me Geo, and I'll fix it.

Once the Grimm Troupe has been summoned, Divine becomes accessible in Dirtmouth. To get the unbreakable version of Fragile Strength, it must be equipped before listening to her, then it must be given to her when prompted. She eats the Charm, then asks for Geo.png 15000. Once the Geo is paid, she gives the unbreakable version of Fragile Strength, Unbreakable Strength.

Charm Combo Tips

Fury of the Fallen.png

Fury of the Fallen
Stacks with Fury of the Fallen, providing a ~170.6% damage increase at one Mask.[Note 2]
Grubberfly's Elegy.png

Grubberfly's Elegy
Stacks multiplicatively with Fragile Strength, dealing ~77.5% Nail damage per projectile.[Note 3][Note 4]
Stalwart Shell.png

Stalwart Shell
Especially efficient in combination with Stalwart Shell, allowing the Knight to quickly dispatch a charging enemy without taking extra hits.
Quick Slash.png

Quick Slash
Especially efficient in combination with Quick Slash, allowing the Knight to quickly deal a large amount of damage.

Notes

  1. 1.0 1.1 1.2 The damage is rounded to the nearest integer, or to the nearest even integer if halfway between two. This results in 8/14/20/26/32 damage at Nail upgrades 0/1/2/3/4.
  2. 2.0 2.1 First the damage multiplier from Fragile/Grimm Troupe Icon.png Unbreakable Strength (150%) is applied and rounded. Then the damage multiplier from Fury of the Fallen (175%) is applied and rounded, also to the nearest integer. This results in 14/24/35/46/56 damage at Nail upgrades 0/1/2/3/4.
  3. First, the damage multiplier from Fragile/Grimm Troupe Icon.png Unbreakable Strength (150%) is applied and rounded. Then the damage multiplier from Grubberfly's Elegy (50%) is applied and rounded, also to the nearest integer. This results in 4/7/10/13/16 damage at Nail upgrades 0/1/2/3/4.
  4. With all three Charms, the damage of Grubberfly's Elegy's projectiles is calculated as follows: First the damage multiplier from Fragile/Grimm Troupe Icon.png Unbreakable Strength (150%) is applied and rounded. Then the damage multiplier from Grubberfly's Elegy (50%) is applied and rounded. Finally, the damage multiplier from Fury of the Fallen (150%) is applied and rounded. This results in 6/10/15/20/24 damage at Nail upgrades 0/1/2/3/4.
Charm Compendium
Main Game
Wayward Compass.png

Wayward Compass
Gathering Swarm.png

Gathering Swarm
Stalwart Shell.png

Stalwart Shell
Soul Catcher.png

Soul Catcher
Shaman Stone.png

Shaman Stone
Soul Eater.png

Soul Eater
Dashmaster.png

Dashmaster
Thorns of Agony.png

Thorns of Agony
Fury of the Fallen.png

Fury of the Fallen
Fragile Heart.png

Fragile Heart
Fragile Greed.png

Fragile Greed
Fragile Strength.png

Fragile Strength
Spell Twister.png

Spell Twister
Steady Body.png

Steady Body
Heavy Blow.png

Heavy Blow
Quick Slash.png

Quick Slash
Longnail.png

Longnail
Mark of Pride.png

Mark of Pride
Baldur Shell.png

Baldur Shell
Flukenest.png

Flukenest
Defender's Crest.png

Defender's Crest
Glowing Womb.png

Glowing Womb
Quick Focus.png

Quick Focus
Deep Focus.png

Deep Focus
Lifeblood Heart.png

Lifeblood Heart
Lifeblood Core.png

Lifeblood Core
Joni's Blessing.png

Joni's Blessing
Grubsong.png

Grubsong
Grubberfly's Elegy.png

Grubberfly's Elegy
Hiveblood.png

Hiveblood
Spore Shroom.png

Spore Shroom
Sharp Shadow.png

Sharp Shadow
Shape of Unn.png

Shape of Unn
Nailmaster's Glory.png

Nailmaster's Glory
Dream Wielder.png

Dream Wielder
Kingsoul.png

Kingsoul
Void Heart.png

Void Heart

Unbreakable Heart.png

Unbreakable Heart
Unbreakable Greed.png

Unbreakable Greed
Unbreakable Strength.png

Unbreakable Strength
Dreamshield.png

Dreamshield
Weaversong.png

Weaversong
Sprintmaster.png

Sprintmaster
Carefree Melody.png

Carefree Melody
Grimmchild.png

Grimmchild
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