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Demon-killing knife

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Demon-killing knife
4x9 DemonKillingKnifeMain
Historical information
Creator : The Kurds
Use(s) : Kills and destroys demons
Users : Alastair
Bobby Singer
Castiel
Christian Campbell
Dean Winchester
Ruby
Sam Winchester
Affected creatures : Antichrists
Demons
Hellhounds
Production information
The demon-killing knife is an ancient supernatural dagger of the Kurds which has the ability to kill demons. It was originally owned by Ruby before passing into the Winchesters' possession, and the team afterwards used it as their most common means of fighting and killing demons. It was implied by Henry Winchester that there may be, or at least have been, other demon knives of the Kurds like it.

CharacteristicsEdit

3x16 DemonKnifeKillsDemon

Dean successfully kills a demon with the knife. (No Rest for the Wicked)

The demon-killing knife is capable of killing demons stabbed with it, except for certain high-level demons. When a demon is stabbed with the knife in a vital area of their vessel such as the torso, head or neck, the demon inside the vessel will be destroyed almost instantly. (The Magnificent Seven onwards) However, if the demon the knife is used on only receives a non-fatal wound such as a shallow cut or a stab to a non-vital part of its vessel such as the leg, then the knife's effect will not kill the demon, but it will still cause the demon excruciating pain. (It's the Great Pumpkin, Sam Winchester onwards)

Though the demon's vessel almost always dies with the demon possessing it when the demon is killed with the knife, this is apparently due to the fatal injury inflicted by the knife rather than the knife's supernatural power against demons; as when Bobby Singer stabbed himself with the knife while under demonic possession, the demon inside him was instantly destroyed while Bobby ultimately survived the stab. (Sympathy for the Devil)

It is known that some but not all high-level demons the demon-killing knife cannot kill; Alastair (the Grand Torturer of Hell) and Abaddon (a Knight of Hell) could both survive direct stabs with the knife and recover (although the knife did still cause them flashes of pain), (On the Head of a Pin, As Time Goes By) and Cain (the Father or Murder and original Knight of Hell) was completely unaffected by being wounded with the demon knife. (First Born) However, some other high-level demons can apparently still be killed by the knife, as it was implied that the demon knife could kill or at least significantly affect Lilith. (No Rest for the Wicked, The Monster at the End of This Book)

4x1 DemonKnifeIneffectiveCastiel

The demon-killing knife proves ineffective on angels such as Castiel. (Lazarus Rising)

As well as killing demons, the demon knife is apparently also capable of killing hellhounds. (Caged Heat, Trial and Error) It has also been implied that the demon knife can kill an Antichrist. (I Believe the Children Are Our Future) However, the demon-killing knife is not capable of killing or even wounding angels, having no effect on angels stabbed with it. (Lazarus Rising) Though incapable of killing the Four Horsemen of the Apocalypse, the demon-killing knife can still be used to cut off their human forms' body parts such as fingers, although it is unknown if a conventional, non-supernatural knife would have sufficed for this as well. (Good God, Y'All!, The Devil You Know)

While it is only known to kill demonic beings, the demon-killing knife is implied to still be very powerful and/or valuable; Alastair displayed fascination with the knife and noted from his use of it in torturing Ruby that it was a very incredible piece, (Heaven and Hell) and War likewise noted that it was a "sweet little knife" when he saw Sam and Dean draw it against him. (Good God, Y'All!) On the other hand though, Henry Winchester implied that the demon knife was the very least powerful means of killing a demon. (As Time Goes By)

HistoryEdit

4x16 DemonKnifeIneffectiveAlastair

The demon knife fails to kill Alastair. (On the Head of a Pin)

The demon-killing knife was apparently created by the Kurdish people in ancient times. (As Time Goes By) Little else is known about the knife's past, but by 2007, it was in the possession of the demon Ruby. (The Magnificent Seven) It remained in Ruby's possession for the following year, until the Winchesters took it in 2008. (No Rest for the Wicked, Season 4) From late 2008 onwards, after his resurrection from Hell, Dean Winchester had ownership of the demon-killing knife, which the Winchesters often used against demons to kill and/or interrogate them. (Season 4 onwards)

AppearancesEdit

See here

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