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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 Godmaster Icon.png Shell binding in the Godmaster Icon.png Pantheons, it increases Masks from 4 to 7 (10 with Fragile Heart/Grimm Troupe Icon.png 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/Grimm Troupe Icon.png Unbreakable Heart. Masks added by Lifeblood Heart and Lifeblood Core are not included in the calculation.

Usefulness

Lifeblood mask.png

When having Joni's Blessing equipped it becomes easier to enter the Lifeblood Core room in the Abyss. With 8-9 Masks and Fragile Heart/Grimm Troupe Icon.png 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 than Joni's Blessing; 4 Lifeblood Masks are gained with either Charm (going from 9 to 13 Masks), but Lifeblood Core only costs 3 Notches and does not prevent healing.

How to Acquire

Found in Joni's Repose in Howling Cliffs. The Charm is resting on the corpse of Blue Child Joni.

Charm Combo Tips

Hiveblood.png
Hiveblood
Hiveblood Jonis Blessing Mask.png
Hiveblood can regenerate Lifeblood Masks granted by Joni's Blessing, though it takes twice as long (24 seconds).

(Hiveblood does not affect Lifeblood Masks not directly gained through Joni's Blessing.)

Grubberfly's Elegy.png
Grubberfly's Elegy

Lifeblood Masks from Joni's Blessing are not treated like normal Lifeblood Masks, and instead are treated like actual Masks. This makes Grubberfly's Elegy only trigger when the Knight is at the maximum number of Masks.

Fragile Heart.png
Fragile Heart

Joni's Blessing includes the Masks given by Fragile/Grimm Troupe Icon.png Unbreakable Heart when calculating its Mask bonus.

Lifeblood Heart.png
Lifeblood Heart

Stacks with both Lifeblood Heart and Lifeblood Core.

Lifeblood Core.png
Lifeblood Core

Stacks with both Lifeblood Heart and Lifeblood Core.

Shaman Stone.png
Shaman Stone

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.

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 cause 5 * 1.4 = 6.999999 and 10 * 1.4 = 13.999999, resulting 7 and 14 Lifeblood Masks, respectively.
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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