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The ENTIRE Jujutsu Kaisen Power System Explained (Cursed Energy, Vows...)

Transcribed Jun 18, 2026 Watch on YouTube ↗
Intermediate 8 min read For: Fans of Jujutsu Kaisen or anime enthusiasts interested in understanding complex power systems.
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AI Summary

This video provides a comprehensive breakdown of the Jujutsu Kaisen power system, starting from its foundation in Cursed Energy and progressing through techniques, domains, and restrictions. It uses a tree metaphor to explain the hierarchy and complexity of the system, which is notoriously difficult even for the author to fully explain.

[0:35]
Cursed Energy Origin

Cursed energy is born from humans' negative emotions like fear, sadness, anger, and envy. These emotions leak out and accumulate, eventually becoming evil cursed spirits.

[1:02]
Tree Metaphor for Power System

The power system is visualized as a tree: Cursed energy is the roots (foundation), seeing/perceiving energy is like a sapling breaking through soil, and control is the trunk. Techniques are branches, and barriers are leaves.

[3:00]
Controlling Cursed Energy

Gaining control over cursed energy requires controlling one's emotions, as it comes from negative emotions. Gojo trains Yuji by making him watch emotional movies while channeling energy into a cursed doll.

[4:37]
Black Flash

A Black Flash occurs when a physical attack syncs with cursed energy application within 0.000001 seconds, amplifying the hit. It cannot be used at will, but skilled users can make it happen more frequently.

[5:31]
Reverse Cursed Energy

Multiplying two streams of cursed energy (negative x negative) creates positive energy, which can be used to heal damage. This is based on the math principle that multiplying two negatives makes a positive.

[6:30]
Cursed Techniques

Cursed techniques are special abilities fueled by cursed energy. Most sorcerers have one innate technique from birth, which cannot be replicated or taught. Exceptions include inherited techniques passed down genetically.

[10:24]
Domain Expansion

A Domain Expansion is a barrier powered by a cursed technique, amplifying the user's abilities and guaranteeing hits. It is the most powerful technique, but uses immense cursed energy. Examples include Gojo's Unlimited Void and Sukuna's Malevolent Shrine.

[13:28]
Cursed Restrictions (Binding Vows)

Cursed Restrictions, similar to Nen contracts in Hunter x Hunter, allow sorcerers to place conditions on their powers to unlock greater strength. Examples include Nanami's Overtime vow and Yuji's deal with Sukuna.

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Study Flashcards (8)

What is the source of cursed energy in Jujutsu Kaisen?

easy Click to reveal answer

Cursed energy is born from humans' negative emotions like fear, sadness, anger, and envy.

0:35

What is the tree metaphor used to explain the Jujutsu Kaisen power system?

medium Click to reveal answer

Cursed energy is the roots, seeing/perceiving energy is a sapling breaking through soil, control is the trunk, techniques are branches, and barriers are leaves.

1:02

How does Gojo train Yuji to control his cursed energy?

easy Click to reveal answer

Gojo makes Yuji watch emotional movies while channeling his energy into a special cursed doll.

3:12

What is a Black Flash and how does it occur?

medium Click to reveal answer

A Black Flash occurs when a physical attack syncs with cursed energy application within 0.000001 seconds, amplifying the hit.

4:37

How does Reverse Cursed Energy work?

hard Click to reveal answer

Multiplying two streams of cursed energy (negative x negative) creates positive energy, which can be used to heal damage.

5:31

What is a Domain Expansion in Jujutsu Kaisen?

medium Click to reveal answer

A Domain Expansion is a barrier powered by a cursed technique that amplifies the user's abilities and guarantees hits.

10:24

What are Cursed Restrictions (Binding Vows) in Jujutsu Kaisen?

medium Click to reveal answer

Cursed Restrictions are conditions placed on powers to unlock greater strength, similar to Nen contracts in Hunter x Hunter.

13:28

What is a Heavenly Restriction?

hard Click to reveal answer

A Heavenly Restriction is a trade-off where a user's cursed energy is reduced in exchange for greater physical prowess, or vice versa.

16:06

💡 Key Takeaways

📊

Cursed Energy Origin

Establishes the fundamental source of all power in the series, linking it to human emotion.

0:35
🔧

Black Flash

Explains a rare, high-precision technique that amplifies attacks, adding depth to combat.

4:37
🔧

Reverse Cursed Energy

Introduces a unique healing method based on mathematical logic, distinguishing the power system.

5:31
🔧

Domain Expansion

Describes the ultimate technique in the series, highlighting its power and energy cost.

10:24
⚖️

Cursed Restrictions

Explains how conditions can enhance powers, adding strategic depth to battles.

13:28

✂️ Creator Tools: Viral Hooks

AI-generated clip ideas for Shorts based on the transcript

Why JJK's Power System is Genius

45s

Opens with a bold claim about the system's complexity and the author's own admission, hooking fans who find it confusing.

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Cursed Energy Explained Like a Tree

45s

Uses a simple and visual analogy (tree) to explain a complex concept, making it highly educational and shareable.

▶ Play Clip

The Math Behind Reverse Cursed Energy

55s

Turns a confusing ability into a simple math lesson, sparking curiosity and debate among fans.

▶ Play Clip

Domain Expansion: The Ultimate Attack

55s

Explains the most hype and visually stunning technique in the series, appealing to fans who love big, game-changing moves.

▶ Play Clip

Why Over-Explaining Makes Powers Stronger

55s

Reveals a unique and clever in-universe reason for a common anime trope, making it both educational and engaging for viewers.

▶ Play Clip

[00:00] The anime world is full of insanely creative

[00:04] But none is as notoriously complex and sometimes

[00:10] where characters in the story are frequently

[00:17] HIMSELF admitted that he could probably not

[00:20] So to help him and anyone else having a hard

[00:26] that and break down the entire power system

[00:30] And at the base of it all, it of course all

[00:35] To put it simply: Cursed energy is born from

[00:40] Fear, sadness, anger, envy - pretty much every

[00:48] leak out and accumulate, eventually becoming

[00:53] And you thought your bad vibes were a problem.

[00:56] To help make sense of the complexity that

[01:01] it.

[01:02] This power system is a whole lot like a tree.

[01:09] Cursed energy is the foundation of every power

[01:15] like lot the roots - everything else grows

[01:19] However, some people with a high enough concentration

[01:24] these spirits and even control the cursed

[01:30] Enter the art of Jujutsu.

[01:33] These so-called Jujutsu Sorcerers use cursed

[01:37] to manipulate it in order to fight and exorcise

[01:43] Continuing our tree visualization, once you

[01:49] see and perceive energy and spirits, it’s

[01:54] - while everybody else is underground and

[02:01] who have broken through the surface can finally

[02:08] Starting with the very basics, the ground

[02:12] to detect cursed energy, yet alone control

[02:16] With the ability to detect cursed energy,

[02:21] can also detect the energy of fellow sorcerers.

[02:24] They can gauge the potential strength of an

[02:29] they possess.

[02:30] Sometimes they can even track a large amount

[02:34] its residuals or even identify a sorcerer

[02:40] But being able to see a terrifying spirit

[02:47] to kill the thing, so let’s move on.

[02:50] Eventually, we’re going to get into some

[02:57] let’s start with the fundamentals.

[03:00] Once you can detect cursed energy, the next

[03:06] Since cursed energy comes from negative emotions,

[03:12] This is why to train Yuji, Gojo uses the method

[03:19] channeling his energy into a special cursed

[03:23] This makes Jujutsu the only power system where

[03:29] than doing push ups.

[03:32] Once you gain control over your emotions,

[03:37] start actually applying it in combat.

[03:40] By controlling their cursed energy output,

[03:44] fists for physical attacks.

[03:46] It can also be used to coat their skin for

[03:51] Some users can even expel raw cursed energy

[03:56] into weapons to strengthen them.

[03:59] If enough energy is channeled into a weapon

[04:06] As you train your cursed energy and you’re

[04:11] developing the trunk of your Jujutsu tree.

[04:13] The greater your command of cursed energy,

[04:19] bark.

[04:20] A beginner like Yuji at the beginning of the

[04:24] a massive California Redwood that you could

[04:30] When fighting using cursed energy, if the

[04:36] phenomenon can happen.

[04:37] If a sorcerer’s physical attack syncs up

[04:45] .000001 seconds, the result is a black flash

[04:53] There’s no jujutsu sorcerer that can use

[04:59] insane precision, but a skillful curse user

[05:05] Nanami once held the record for black flashes

[05:10] Yuji surpassed it while fighting Mahito.

[05:14] It just goes to show you - there’s no point

[05:20] one of life’s short cuts and eat some fingers.

[05:24] One of the hardest abilities in Jujutsu Kaisen

[05:30] Energy.

[05:31] You need to know math for this one!

[05:34] As we all know (if you’ve passed fifth grade

[05:42] creates a positive.

[05:43] Therefore, by multiplying two streams of cursed

[05:49] cursed technique, which creates positive energy.

[05:53] Unlike normal cursed energy which can only

[05:58] technique can actually be used to heal damage.

[06:01] Apparently this works through the logic of

[06:07] And the author needed a way for characters

[06:11] receive from other characters, so this was

[06:17] Massive head trauma is a problem no more and

[06:22] Now that we’ve got our basics covered, it’s

[06:29] system.

[06:30] Cursed Techniques.

[06:32] This is where we start to get crazy unique

[06:37] some of the most intriguing…and at times

[06:44] Unlike every other shonen, we actually encourage

[06:50] give us a play by play of the fight because

[06:57] have no idea what’s going on.

[07:00] Cursed techniques are special abilities fueled

[07:05] Most sorcerer’s have an innate technique

[07:11] which begins to manifest in childhood and

[07:18] In the vast majority of cases, sorcerers only

[07:23] they cannot be replicated or taught.

[07:25] In extremely rare cases, a user can use multiple

[07:31] of in the world of Jujutsu Kaisen.

[07:35] How do these techniques fit into our tree

[07:38] Well, since cursed techniques manifest themselves

[07:43] these are like the branches of our tree.

[07:48] Unlike general cursed energy use which looks

[07:53] Jujutsu Sorcerer splits off in their own unique

[07:58] One major exception to techniques being unable

[08:03] are passed down genetically.

[08:05] This is especially common in the Big Three

[08:12] Gojo, and the Kamo.

[08:15] Techniques like Satoru Gojo’s “Limitless”

[08:19] Kamo’s “Blood Manipulation” are so powerful

[08:24] honed and perfected across many generations.

[08:28] The “Ten Shadows” technique in particular

[08:36] Shikigami are monstrous creatures that resemble

[08:41] use as a familiar.

[08:44] Most shikigami users are only able to conjure

[08:51] “Ten Shadows” allows him to utilize several

[08:59] Many powerful sorcerers can be born to non-sorcerers

[09:06] that are not inherited.

[09:08] Some examples include Aoi Todo’s “Boogie

[09:14] Even Suguru Geto’s “cursed spirit manipulation”

[09:19] that even sorcerers who aren’t born to the

[09:24] of being Special Grades.

[09:25] Weird that he ended up being the one super

[09:35] In addition to these Cursed Techniques, there

[09:43] techniques.

[09:44] The most common ones we see in the series

[09:48] Abilities like “curtain” allow sorcerers

[09:52] spirits in order to keep civilians from witnessing

[09:57] from being caught in the crossfire.

[10:00] Going back to our Jujutsu Tree, these barrier

[10:05] the remainder of the branches.

[10:07] These leaves expand outward, making the whole

[10:12] like a barrier expands a user’s cursed energy

[10:17] Of course, the most hype version of the Barrier

[10:24] This is where a Cursed Energy user will erect

[10:30] This is the most powerful technique that a

[10:36] domain their techniques are amplified and

[10:41] For example, Gojo’s standard limitless technique

[10:48] that his opponents can never reach him.

[10:51] He can also manipulate space itself to repel

[10:55] However, his Domain Expansion: Unlimited Void,

[11:01] This power floods the mind of anyone trapped

[11:08] overwhelming their brain to the point of immobilization,

[11:15] an eternity before they pass away, unable

[11:21] Some domain expansions simply relentlessly

[11:25] Jogo’s “Coffin of the Iron Mountain”

[11:30] a giant volcano, whereas Sukuna’s “Malevolent

[11:35] of slashing attacks.

[11:37] These more typical domains are all about raw

[11:41] After all, there’s no much your opponent’s

[11:47] dead.

[11:48] However, others are more reality warping and

[11:55] be brain-breaking to the viewer.

[11:56] Higuruma, a curse user who is a lawyer, uses

[12:04] in a court of law wherein all violence is

[12:09] determines his opponent’s guilt or innocence.

[12:12] JJK’s powers go way beyond punching to say

[12:17] The drawback of these extremely potent techniques

[12:23] of cursed energy.

[12:24] Gojo is one of the only characters in the

[12:30] multiple times per day.

[12:32] The scientific explanation for this is that

[12:44] Of course, there are a few ways that a user

[12:52] By casting a simple domain, a cursed user

[12:59] own domain without expending the cursed energy

[13:06] The other counter-measure is to simply go

[13:10] in what’s called a Domain Clash.

[13:13] As long as the domains are evenly matched

[13:17] be canceled out - however as soon as one of

[13:25] attack will take effect.

[13:28] Another important element of the Jujutsu Kaisen

[13:34] For viewers familiar with Hunter x Hunter,

[13:39] Contracts - by placing various conditions

[13:44] feats of strength when those conditions are

[13:48] Back to our Jujutsu Tree - restrictions are

[13:53] is growing in.

[13:54] If you add some fertilizer to the ground,

[14:00] But in this case, instead of putting on your

[14:05] legal contract with a plant.

[14:08] One of the funniest versions of this in the

[14:13] actually get stronger if the opponent understands

[14:18] This means that JJK can play into the age-old

[14:24] how their powers work, while it has an actual

[14:32] In most shows, this is purely for the audience

[14:36] - obviously by explaining your secret technique

[14:41] an advantage by letting them understand their

[14:45] However, in JJK, they make it so that these

[14:51] power.

[14:53] Not only does it help it make sense, but it

[14:59] Jujutsu Kaisen’s brain-bending battles.

[15:02] By withholding parts of their power, or misleading

[15:07] of power while still maintaining the element

[15:11] However, this isn’t the only version of

[15:18] One of the best examples is Nanami’s “Overtime”

[15:22] Normally, Nanami’s power level is limited

[15:27] he’s on the clock working for Jujutsu High.

[15:30] However, whenever that time limit is exceeded

[15:36] to exceed his upper limit and output 120%

[15:43] Other vows are exchanged with individuals

[15:48] for breaking these vows is supposedly much

[15:53] The most notable example of one of these vows

[15:58] wherein Sukuna healed Yuji’s heart in exchange

[16:03] one minute and a time to-be-determined.

[16:06] The most extreme example of a Cursed Restriction

[16:12] wherein a user’s cursed energy is reduced

[16:17] Or - the opposite can be true, where someone’s

[16:22] greater cursed energy.

[16:23] Of course, there are also probably people

[16:28] and have very little cursed energy and…well,

[16:32] However, one good example of a trade off is

[16:39] extremely weak and feeble, but his cursed

[16:45] able to remotely pilot Mechamaru.

[16:48] However in the case of Megumi’s father,

[16:53] Unlike most humans who are born with at least

[17:01] born with absolutely zero.

[17:04] Nothing at all.

[17:05] However, in exchange, as part of this bargain,

[17:11] In fact, his five senses were heightened to

[17:16] energy and cursed spirits even though he possessed

[17:22] And he could even sense changes in the air

[17:29] However, even though Toji was a complete monster,

[17:35] of Satoru Gojo.

[17:36] In his backstory, Toji was the toughest challenge

[17:41] you wonder just exactly what Gojo’s upper

[17:45] gets to go all out.

[17:48] During the Shibuya Incident, he was even handicapped

[17:53] It really makes you wonder how much he’d

[18:00] maximum power.

[18:02] Conveniently, we answered that question right

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