In the universe of Jujutsu Kaisen, cursed energy is everything. It shapes battles, determines fate, and gives rise to some of the most devastating weapons in anime history. Among these, two tools stand out not just for their sheer power but for the characters who wielded them: the Split Soul Katana and the Inverted Spear of Heaven. Both were used by the legendary Toji Fushiguro and have cemented their place in Jujutsu Kaisen lore.
But when it comes down to it—which cursed tool is more powerful? Let’s break down each weapon’s strengths, weaknesses, lore, and feats to crown the ultimate winner in this head-to-head clash.
What Is the Split Soul Katana?
The Split Soul Katana is more than just a blade—it's a spiritual scalpel.
Wielded by Toji Fushiguro and later by Maki Zenin, this cursed tool bypasses physical durability entirely, striking directly at the soul of its target. In a world where cursed energy can make even the weakest sorcerers invulnerable, the ability to ignore flesh and strike at a being’s essence makes this katana lethally efficient.
Unlike traditional cursed tools that rely on overwhelming cursed energy output, the Split Soul Katana relies on precision and intention. Its unique trait allows it to cut through cursed spirits, objects, and even reinforced techniques by targeting the soul instead of the body.
Key Abilities of the Split Soul Katana
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Soul-Targeting Attacks: The katana can slice through anything by attacking its soul directly.
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Barrier Bypass: It’s capable of cutting through reinforced barriers and defenses.
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Soul Vision Requirement: Its full potential is unleashed only by those who can see the souls of objects (e.g., Toji and later Maki).
This blade was instrumental in some of the most iconic moments in Jujutsu Kaisen, including Toji’s assassination of the Star Plasma Vessel, Riko Amanai, and Maki’s brutal annihilation of the Zenin Clan.
The Inverted Spear of Heaven: The Ultimate Technique Nullifier
Then we have the Inverted Spear of Heaven, a cursed weapon that redefines the battlefield.
Also wielded by Toji Fushiguro, this jitte-shaped spear has a unique property: it can nullify any cursed technique it touches. That includes the most overpowered ability in the series—Satoru Gojo’s Limitless.
This tool isn’t just rare—it’s mythical. Unlike most weapons that enhance strength or energy output, the Inverted Spear of Heaven is a strategic nightmare for sorcerers. It directly counters some of the strongest abilities in the series, leveling the playing field even against Special Grade opponents.
Key Abilities of the Inverted Spear of Heaven
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Technique Nullification: Instantly cancels out any cursed technique it comes into contact with.
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Anti-Gojo Weapon: Was the only weapon capable of piercing Gojo’s Limitless barrier, leading to his temporary defeat.
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Extreme Versatility: Its ability isn’t based on strength but on anti-magic, making it dangerous in almost any scenario.
This weapon isn’t just powerful—it’s the reason Gojo lost during the Star Plasma Vessel Arc. That alone speaks volumes.
Toji Fushiguro: The Man Behind the Blades
No comparison is complete without acknowledging the beast who wielded both weapons. Toji Fushiguro, also known as the "Sorcerer Killer", was born without cursed energy—a rarity in the world of Jujutsu Kaisen. But what he lacked in spiritual power, he made up for with raw physical talent, elite battle sense, and a deadly arsenal.
Using these weapons, Toji defeated sorcerers far above his rank. His ability to combine physical mastery with tactical brilliance is what made both weapons so impactful—and why this comparison matters.
Head-to-Head: Split Soul Katana vs Inverted Spear of Heaven
Let’s break this down by critical battle attributes.
1. Raw Destructive Power
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Split Soul Katana: Lethal precision. Can eliminate enemies with one cut if aimed correctly. Best used by someone who can see souls.
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Inverted Spear of Heaven: Doesn’t destroy in the traditional sense, but nullifies the enemy’s defense mechanisms, allowing follow-up destruction.
Edge: Split Soul Katana for pure kill potential.
2. Versatility
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Split Soul Katana: Limited to melee range and requires soul vision for maximum effectiveness.
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Inverted Spear of Heaven: Works on all cursed techniques. Can be used by anyone regardless of vision or energy level.
Edge: Inverted Spear of Heaven.
3. Counter Ability
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Split Soul Katana: Counters physical toughness and spiritual defense by slicing the soul.
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Inverted Spear of Heaven: Counters everything, including invincibility-tier techniques like Limitless.
Edge: Inverted Spear of Heaven, no contest.
4. Impact on the Story
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Split Soul Katana: Changed the course of the Zenin Clan. Fueled Maki’s rise to power.
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Inverted Spear of Heaven: Played a direct role in defeating Gojo Satoru—the strongest sorcerer alive.
Edge: Inverted Spear of Heaven, purely due to the Gojo factor.
Why the Inverted Spear of Heaven Comes Out on Top
While the Split Soul Katana is undeniably deadly—especially in close-quarters combat and in the hands of a soul-seeing assassin—it’s the Inverted Spear of Heaven that reigns supreme. Its cursed technique nullification is arguably the most broken mechanic in the Jujutsu Kaisen universe. Against the right opponent, it turns gods into mortals.
The spear doesn’t just kill—it shifts the rules of engagement. That’s why, in a one-on-one battle of cursed tools, it takes the crown.
Final Thoughts: A Blade of Precision vs A Spear of Nullification
The Split Soul Katana represents surgical lethality—targeting the soul and cutting past layers of cursed energy and flesh alike. It's elegant, clean, and terrifying. But the Inverted Spear of Heaven represents chaos. It breaks the system itself.
For fans of Jujutsu Kaisen, both weapons are monumental. But if you're asking which is stronger—the Inverted Spear of Heaven is the clear winner. It’s not just a weapon; it’s a cursed game-changer.
