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Thorns of Agony is a Charm in Hollow Knight. It causes the Knight to sprout thorny vines when taking damage which damage nearby enemies.

Usefulness

The Thorns of Agony deal damage equal to the base damage of the Nail, capable of hitting twice if within range. The main downside of this Charm is that it deals damage without collecting SOUL, and, in some situations, it may kill easier enemies that would have been useful for regaining SOUL.

The animation for Thorns of Agony also takes up invincibility frames as the Knight cannot be controlled until the animation is over. This reduces the number of invincibility frames that the Knight has to move or reposition.

This charm is particularly useful when fighting multiple enemies at the same time, especially in the Colosseum of Fools.

This charm is not recommended for use in Fog Canyon as damaging Oomas makes them burst, releasing their explosive core that home in on the Knight, dealing two Masks of damage.

How to Acquire

Found in Greenpath in a maze of thorns featuring Charged Lumaflies. Requires Mothwing Cloak to reach.

Charm Synergies

Stalwart Shell.png

Stalwart Shell
Decreases the time taken for thorns to activate after being hit. Increases the animation speed and leaves extra invincibility frames after the ones consumed by the animation.

Charm Combo Tips

Baldur Shell.png

Baldur Shell
Thorns of Agony activates if the Baldur Shell is triggered, even if the Knight has not taken damage.
Carefree Melody.png

Carefree Melody
Thorns of Agony still triggers even if damage was negated by Carefree Melody.

Trivia

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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