Throughout the anime world, legions of mighty warriors can be found who owe much of their strength to their awesome weapons. Whether they come from shonen or seinen anime series, some of the strongest characters often use weapons that reflect their strength and perfectly reflect their fighting style.
However, there are a few weapons that many fans believe to be the greatest of them all, whether through their own inherent strength or the special magical properties they may possess. Sometimes the weapon further enhances the wielder's strength, while other times the wielder is only powerful due to his reliable armament.

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The Dragon Slayer is impossible for normal people to wield
Anime: Berserk
The Dragon Slayer is Gut's iconic weapon from Berserk. Created as a weapon meant to slay dragons, it ultimately proved far too large and unruly for any normal person to wield, and only those with incredible physical strength could fully harness its unparalleled power. Unlike most other strong anime weapons, the Dragon Slayer was not originally empowered through magical means, as its true strength lay in its impossible size and strength. However, due to Guts killing countless astral beings with it, the Dragon Slayer was eventually imbued with the malevolent power of those beings, making it much stronger.
9
The Tessaiga is an exceptionally versatile sword
Anime: Inuyasha
As the main weapon of the series' protagonist, it comes as no surprise that the Tessaiga is a powerful sword. Aside from the standard use of the blade, this weaponry has the unique ability to take abilities from fallen enemies to incorporate them into its own moveset, as it did with some of the greatest powers in the series. Towards the latter the story arcs off InuyashaThe Tessaiga could function as a dangerous sword, a barrier for defense, an energy absorber, and as a way to launch powerful projectiles, making it an incredible weapon and one of the anime's best.
8
Heaven's Inverted Spear could negate all techniques
Anime: Jujutsu Kaisen
There have been a plethora of powerful Cursed Tools in Jujutsu Kaisen series, but none compare to Toji's legendary Inverted Spear of Heaven. In any series, something that works completely in opposition to the established power system tends to break out of power, and this weapon is no exception. Due to having a unique Cursed Technique brought forth by mysterious alien Cursed Energy, this weapon removes any Cursed Technique it is used on, making it the strongest item in the series and one of the only ways to bypass Gojo's Infinity.
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7
Divine Ax Rhitta can only be used by Escanor
Anime: Seven deadly sins
Any weapon belonging to the “strongest” in a given franchise would undoubtedly be worthy of its wielder. Divine Ax Rhitta is no exception, as this legendary weapon is the chosen tool of the Lion Sin of Pride, Escanor, and is so heavy that no one but him can even lift it. It draws out Escanor's powers perfectly, and with its Sacred Treasure Release, it can release a wave of light that can burn everything in its vicinity. Because of this, Divine Ax Rhitta is one of anime's most powerful weapons.
6
The death notice can kill instantly
Anime: Death Note
While most people tend to think of guns as massive and striking weapons, they can sometimes take unassuming forms, with the titular Death Note being the biggest example of this. Basically, this is a notebook that can kill anyone whose name is written in it, with the driver even being able to scribble down the cause of death if they so choose. This does Death Note one of the greatest mystery anime of all time, as it revolves around solving crimes caused by the user of this mystery book.
5
The Nemesis is a versatile and incredibly powerful weapon
Anime: One Piece
One Piece have always had a very clear categorization of their weapons, with the most important belonging to either the Skilled, Large, or Highest Grade Weapon classifications. Although the strongest tend to be Supreme Grade Weapons, the Elbaph Arc may have just released the first of these weapons to surpass it, as Imu's Blade of Judgment, Nemesis, has shown powers and abilities far beyond what anything else has. Due to its ability to change its size and the type of weapon it is to suit a situation, Nemesis is easily the strongest weapon in all One Piece.

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4
Ryujin Jakka has unmatched offensive power
Anime: Whiten
As the head of Soul Society, everyone knew that Yamamoto would be exceptionally powerful, though no one could have ever expected the true extent of his strength and that of his Zanpakuto, Ryujin Jakka. Being the strongest Shinigami of them all, the spiritual energy possessed by Yamamoto and his Zanpakuto is simply immeasurable, which is seen perfectly with his unparalleled control and output of fire. Ryujin Jakka has some of the greatest pyrokinesis in anime, and it can get so scorching hot that a simple touch destroys solid ground, showing just how powerful it really is.
3
The Spear of Longinus is an incredibly eerie weapon
Anime: Neon Genesis Evangelion
As with many original things in The Gospelthe spear of Longinus is incredibly unsettling, and characters have often remarked that it feels sentient with a will of its own. As a creation of the First Ancestral Race, this great spear is a weapon that can penetrate the AT fields to damage or kill any creature with god-like power, such as angels or Evangelion entities. In addition, it also has the power to immobilize the seeds of life, and even if there is more than one of these spears, the power it has is immense.
Anime: Fate
Gilgamesh is already an incredibly powerful warrior, but when armed with the Sword of Crime, Ea, his strength becomes unmatched. As the strongest of the Noble Phantasm armor in the series, Ea consists of three segments that make up its “blades”, and when they rotate rapidly, it creates a burst of compressed air so powerful that it can tear apart reality and spacetime itself when used to maximum effect through the Enuma Elish. In some aspects of the story, Ea has managed to destroy the physical world and dimensions as well.
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1
Venusdonoa is the strongest weapon in the anime
Anime: The Misfit of Demon King Academy
While some of the weapons on this list are powerful due to their intricate magical abilities or other inherent properties, they all pale in comparison to the Venuzdonoa, Anos Voldigoad's signature weapon. This is because this sword has the power to destroy anything and wipe it out of existence, period. There is no complicated power-up or crazy ability with Venuzdonoa, as its entire existence and power is to annihilate things, whether physical or even conceptual, so destroying a planet, universe, or even concepts like order and chaos is completely within the capabilities of this sword.
All shows on this list can be streamed on Crunchyroll.