Evansmana

"Eighty-eight holy swords are said to exist in this world. The greatest among them is the legendary Holy Sword wielded by Hero Kanon: Evansmana, the Sword of Three Races. Two thousand years ago, humans forged this sword in which a spirit chose to reside, while the gods gave their blessing."

- Diego explains the sword's origin in "Tension"

Evansmana, the Sword of Three Races (霊神人剣エヴァンスマナ) is the legendary sword created to destroy the Demon King of Tyranny Anos Voldigoad. Two thousand years ago, the only person capable of wielding Evansmana was Hero Kanon, as it was stated that only those with the purest light in their source could wield it.

Appearance
When Evansmana is summoned, a divine radiance is manifests in the wielder's hand as the sword manifests from the divine light. The sword can also be summoned via a holy magic circle, as a divine radiance will emerge from the circle to form the shape of the sword until it is fully manifested.

Evansmana is a sword with a blue guard and hilt embellished with gold. The holy sword's blade is adorned with an intricate gold pattern, and a green jewel is embedded in its guard. The blade also emits a divine radiance, described as whiter than white, and the sword comes with a blue and gold sheath.

History
Evansmana was discovered by humans, as the sword was being guarded a protector god, who told them the sword was created by humans, gods and spirits in ancient times in order to cut off the fate of disaster. It was stated by its legend that Evansmana is a holy sword that slays evil calamities, as its divine radiance manifested after the emergence of Demon King Anos.

However, the sword was originally incapable of being lifted as it didn't accept any human who tried to become its owner until the Hero Kanon tried, as the sword chose him as its wielder. Kanon then started using it as his main weapon in his battle against the Demon King Anos, with the sword being very effective against him to due to the fact that its divine holy power was a counter to Anos' nature, thus allowing him to be permanently killed should the sword destroy him.

Abilities
Immense Sharpness and Holy Power: Evansmana is considered the most powerful holy sword in existence. An average demon would disappear just by touching it. It demonstrated the ability to easily penetrate the anti-magic barrier of a powerful demon such as Misha Necron with just the aftermath of its light, and the wounds it inflicted initially couldn't be healed by healing magic. Its slash was easily able to cut through six Jio Graze that Anos released and the slash could only be dampened by his Magic Eyes of Destruction and anti-magic, redirecting it behind him. The sword showed the ability to use its holy power to easily shatter Anos' wards and pierce his body when he accidentally gazed at it with his Magic Eyes. During Lay's duel with Anos, Evansmana demonstrated the ability to easily cut through Anos' various spells and inflict numerous stigmatas on Anos himself after injuring him. Demon King-Slaying: Evansmana was created to annihilate Demon King Anos, as demonstrated by its power to inflict fatal wounds on his source, capable of negating its capability of overcoming destruction and destroying it. Fate Manipulation: Evansmana has the power to manipulate fate, as Kanon was able to use it to sever Anos' fate of reincarnating as the Demon King of Tyranny and change his history. Evansmana demonstrated the ability to nullify the magicalized Jerga's fate of being tied to the world's order, thus allowing Lay and Anos to destroy him without any negative consequences to the world itself.

Anti-Magic Enhancement: By wrapping Evansmana's holy power around them like a blessing, the user can enhance their anti-magic capabilities to withstand ranged magical attacks, as was demonstrated when Lay was able to shrug off Anos' continuous wave of Jio Graze blasts during their duel. However, it does not prevent attacks that directly interfere with the source such as Vebdoz.

Source Manipulation: Evansmana has the power to interfere with sources, as it has demonstrated the ability to directly affect the sources of others with its power.

Memory Manipulation: Evansmana possesses the ability to erase memories, to the point where they cannot be recovered via magic such as Eviy.

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Secrets
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 * First Secret: Heaven Splitter (天牙刃断): Pure-white light gathers around Evansmana, reinforcing its blade, before countless blades of light slash the target and sever their fate without the sword being swung.
 * Second Secret: Space Severing Thorn (断空絶刺): Envelops both the user and Evansmana in holy light before unleashing a powerful stab.
 * Fourth Secret: Heavenly Sovereign Sword (天覇王剣): The secret that Lebrahard released in order to sever the fate of Luna Arzenon. Evansmana was able to cut through the Abyss of Cravings, but it also broke.
 * Fifth Secret: Tide Turning Rainbow Blades (廻天虹刃): Converts any attack that was blocked by Evansmana into magic power and then leaves behind rainbow blades to attack the opponent. The stronger the attack, the more magic power it obtains and the stronger the rainbow blade becomes.
 * Fifth Secret: Tide Turning Rainbow Blades Turn (廻天虹刃・転): The secret that releases the magic power absorbed with  with a large explosion.

Weaknesses
Holy Immunity: While Evansmana is an extremely effective weapon against things of demonic nature, it cannot affect things that are truly holy such as Jerga's magical body that was created by holy magic.

Trivia

 * The anime's English translation mistranslated Evansmana's title of the "Spirit God Human Sword" as the "Thunder God Sword", even though 雷 (rai) is the kanji for "thunder" rather than 霊 (rei);  which is the kanji for "spirit", as the sword itself doesn't have any powers related to thunder, and it specifically being stated to be the creation of spirits, gods and humans working together.