Fragile Heart

Fragile Heart
Increases the health of the bearer, allowing them to take more damage. This charm is fragile, and will break if its bearer is killed.
Effect	Adds two Masks of health Breaks upon death Can be given to Divine to turn it Unbreakable
Notch Cost
Fragile Heart
Increases the health of the bearer, allowing them to take more damage. This charm has broken, and the power inside has been silenced. It cannot be equipped.
Effect	Cannot be equipped Must be repaired by Leg Eater in order to be used again
Notch Cost	Cannot be equipped
Unbreakable Heart
Increases the health of the bearer, allowing them to take more damage. This charm is unbreakable.
Effect	Adds two Masks of health
Notch Cost

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

Usefulness

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  350. Wearing the Defender's Crest Charm causes Leg Eater to lower the cost to  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  200, or for  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.

Leg Eater's location in the Fungal Wastes

The Grimm Troupe Content

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

Charm Combo Tips

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