Hollow Knight Wiki:Sandbox
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Twisted spectre of scarlet flame.
"The expanse of dream in past was split,
One realm now must stay apart,
Darkest reaches, beating red,
Terror of sleep. The Nightmare's Heart."
Joni's Blessing is a Charm in Hollow Knight. It changes all Masks to Lifeblood Masks and increases Masks by 40% (rounded up). When selecting the Shell binding in the
Pantheons, it increases Masks from 4 to 7 (10 with Fragile Heart/
Unbreakable Heart).
Number of Lifeblood Masks
Masks | Lifeblood Masks |
5 | 7 |
6 | 9 |
7 | 10 |
8 | 12 |
9 | 13 |
10 | 14 |
11 | 16 |
The 40% increase in Masks granted by Joni's Blessing only takes into account the base Masks and the two Masks added by Fragile/ Unbreakable Heart. Masks added by Lifeblood Heart and Lifeblood Core are not included in the calculation.
Usefulness

When having Joni's Blessing equipped it becomes easier to enter the Lifeblood Chamber in the Abyss. With 8-9 Masks and Fragile Heart/ Unbreakable Heart or Lifeblood Heart, it is easy to make the 15-Mask threshold, thus earning Lifeblood Core.
As with Lifeblood Heart and Lifeblood Core, Joni's Blessing is more useful in a Spell-focused build where SOUL can be used to cast Spells rather than heal. As such, it should be saved for later in the game when more Notches have been acquired, but Lifeblood Core remains inaccessible.
However, Lifeblood Core is usually a more efficient Charm for adding survivability in the endgame. Joni's Blessing adds at most 5 Lifeblood Masks while Lifeblood Core adds 4, costs 1 less Notch, and does not prevent healing.
How to Acquire
Found in Joni's Repose in the Howling Cliffs. The Charm is resting on the corpse of Blue Child Joni.
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Joni's Blessing location
Charm Synergies
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Charm Combo Tips
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Joni's Blessing includes the Masks given by Fragile/![]() |
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Stacks with both Lifeblood Heart and Lifeblood Core. |
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Stacks with both Lifeblood Heart and Lifeblood Core. |
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Since Shaman Stone is used in Spell-casting-focused builds, it is good to combine it with Joni's Blessing in battles where healing is difficult or impossible. |
Gallery
Trivia
- Reaching 1 Mask while having this Charm equipped does not create black streaks across the screen.
- If the Knight dies, the HUD displays a single empty Mask, representing a maximum of 1 regular Mask. This affects the Knight's Shade health and causes it to die in one hit.
- There is a glitch where the Knight occasionally gains one additional Mask after they have taken damage to what is supposedly their last available Lifeblood Mask. This additional Mask is a normal white Mask but is covered in the black fog effect until destroyed.
- The actual formula of Lifeblood masks (as in code) is:
(int)((float)max_health * 1.4) + 1
. For max health 5 and 10, floating point precision problem cause5 * 1.4 = 6.999999
and10 * 1.4 = 13.999999
, resulting 7 and 14 Lifeblood Masks, respectively. - When using the Grubberfly's Elegy Charm with Joni's Blessing, the Nail projectiles stop firing after taking any damage. Regenerating Masks with Hiveblood does not re-enable the projectiles.