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Fragile Heart is a Charm in Hollow Knight. It increases the Knight's health by two Masks.


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

It is strictly superior in effect to the Lifeblood Heart Charm (except when using Grubberfly's Elegy) – for the same Notch cost, it provides two regular Masks which can be healed by Focusing.

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

Lastly, it should be noted that its drawback is negated in Steel Soul runs since the run is over upon death anyway, making Fragile Heart a much more useful Charm in a Steel Soul run.

How to Acquire

Purchased from Leg Eater in Fungal Wastes for Geo.png 350. Wearing the Defender's Crest Charm causes Leg Eater to lower the cost to Geo.png 280.

  • Shop description:
This is a precious thing. A beautiful charm. I made it for you! If you hold it you'll feel a lot healthier. If you're afraid of dying, you need this charm!

When broken, Leg Eater can repair it for Geo.png 200, or for Geo.png 160 while wearing the Defender's Crest.

  • 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 Heart, 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 12000. Once the Geo is paid, she gives the unbreakable version of Fragile Heart, Unbreakable Heart.

Charm Combo Tips


Useful to combine with Hiveblood during exploration and backtracking as it slowly regenerates health, however it should be noted that it only regenerates the last Mask lost.
Joni's Blessing.png

Joni's Blessing
Joni's Blessing includes the Masks given by Fragile/Unbreakable Heart when calculating its health bonus.
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

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

Mark of Pride.png

Mark of Pride
Baldur Shell.png

Baldur Shell

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

Grubberfly's Elegy.png

Grubberfly's Elegy

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

Void Heart.png

Void Heart

Unbreakable Heart.png

Unbreakable Heart
Unbreakable Greed.png

Unbreakable Greed
Unbreakable Strength.png

Unbreakable Strength



Carefree Melody.png

Carefree Melody