Demon-Killing Knife
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| Name | Ruby's Knife |
| Manufacturer | Unknown |
| Powers | Can kill Black Eyed Demons |
| Location/Owners | Currently in Dean's possession |
| Episodes | First Appearance: 3.01 The Magnificent Seven Last Appearance: 8.07 A Little Slice Of Kevin |
This knife originally belonged to Ruby and is capable of destroying most demons (Albeit at the cost of killing their human hosts at the same time). Its blade is inscribed with symbols and the handle is wood or bone. Alastair is immune to its killing power but the weapon can cause him great pain. It also has no effect on Angels.4.01 Lazarus Rising
The maker and designer of this weapon are unknown. However, the language of the writing on the knife looks to be Indo-European, most likely Kurdish or Farsi.
Appearances
3.01 The Magnificent Seven
Ruby appears during the battle with the Seven Deadly Sins, and kills three of the demons with a knife. Until this point, the only ways of getting rid of a demon had been exorcism, which sent it back to Hell, or with the Colt, which killed it. Bobby states that he has never heard of a blade that could kill demons.
3.09 Malleus Maleficarum
Ruby tries to use the knife to kill Tammi but loses it in the ensuing fight. Dean eventually kills Tammi with it.
3.12 Jus in Bello
Ruby remarks that she had to kill her way into the police station with the knife and uses it to threaten her way out past the demons trying to get in.
3.16 No Rest For The Wicked
Dean steals the knife in the hope of using it against Lilith. However, when Sam attacks her with it, she stops him with her powers. Later, after Dean has been killed, Sam is able to withstand her power, and she vacates the body she is using to escape Sam's attack with the knife.
4.01 Lazarus Rising
Dean stabs Castiel with the knife, but it has no effect on him.
4.07 It's The Great Pumpkin, Sam Winchester
When facing Samhain, Dean demands that Sam use the knife rather than his powers over his objections that Samhain might be too powerful for the knife alone to do the trick. Despite this, Sam does try to use the knife, but loses it in the fight and is forced to use his powers to exorcise Samhain instead.
4.09 I Know What You Did Last Summer
Sam stabs Alastair with the knife, but it appears to have no effect on him. While escaping from Alastair they lose the knife. In flashbacks, Ruby is shown taking the knife back from Sam and killing the demon with her with it and then later killing a demon after Sam fails to exorcise it. They use it in the fight when they walk into Lilith's trap.
4.10 Heaven And Hell
Alastair uses the knife to torture Ruby. He says to her "This knife of yours... It's an exquisite piece. You must tell me where you found it." When Aliastair's meatsuit is destroyed by Anna regaining her Grace, the knife is left behind unharmed and Sam and Dean retrieve it.
4.16 On The Head Of A Pin
Alastair beats Dean unconscious after being freed from the devil's trap. Castiel arrives and throws the demon-killing knife into his shoulder. Castiel twists the knife with his powers, but Alastair manages to pull it out and lunges at the angel. Alastair attempts to send Castiel back to Heaven, but is interrupted by Sam.
4.20 The Rapture
Dean uses the knife to kill a demon possesing one of the Novak family neighbors. Later, when the demons capture them, they get the knife as well, but Sam gets it back in the fight that follows, cuts the neck of one of the demons to drink her blood, then kills her with the knife.
4.22 Lucifer Rising
Castiel uses the knife to cut his arm so that he can use his blood to draw the Angel Banishing Sigil and temporarily get rid of Zachariah. Castiel gives the knife to Dean before sending him to St. Mary's Convent to stop Sam from killing Lilith. Dean is unable to prevent the last of the 66 Seals- Lilith's death- from being broken, but instead attacks Ruby, who is revealed to be evil with the knife. As Sam holds her in place from behind, Dean stabs Ruby with her own knife, killing her.
5.01 Sympathy For The Devil
Meg orders the possessed Bobby to kill Dean with Ruby's Knife, but just as he is about to strike, Bobby manages to battle the demon possessing him and stab himself in the abdomen instead, killing the demon possesing him. The stab wound Bobby inflicted on himself with Ruby's Knife led to his inability to walk. During the fight that follows, Dean manages to grab the knife and kill another demon causing Meg to flee before he can stab her too.
5.02 Good God Y'All
Dean and Sam go for supplies, and while Sam is getting salt from a store, two teenagers with black eyes enter. Sam kills them with Ruby's knife.
When Sam and Dean go after War and cut off his ring, they take the knife to use against him. He comments that it can't kill him, but they use it to cut off his fingers instead and disable his powers
5.06 I Believe The Children Are Our Future
Dean carries the knife while visiting Jesse Turner's house to find out what is causing so much trouble in town. Later, Castiel tries to kill Jesse with the knife, but gets turned into an action figure of himself holding the knife.
5.10 Abandon All Hope
While invading Crowley's house to get the Colt, Jo distracts two demons and Sam kills them with the knife.
5.12 Swap Meat
Dean tries to use the knife on the possessed Nora.
5.14 My Bloody Valentine
Sam follows a demon into an alley and attacks him with Ruby's Knife. Castiel later tries to go after Famine with it, but falls under Famine's influence.
5.17 99 Problems
Dean uses it to kill various demons during a raid on a house outside of a small town.
5.20 The Devil You Know
Sam uses the knife to try to kill Crowley - and slices into the Impala's rear seat when the demon disappears. He makes another attempt, but is again unsuccessful. Later, Dean takes the knife and uses it to kill a demon protecting Brady. Sam eventually uses the knife to kill Brady.
5.21 Two Minutes To Midnight
Sam carries the knife while searching for Pestilence with Dean. Castiel than uses it to chop off Pestilence's finger to obtain his Ring and kill the Nurse!Demon.
Later at Niveus Pharmaceuticals factory, Bobby kills two demons with it.
6.10 Caged Heat
Meg appears and captures Sam and Dean stealing the knife from them. Sam gets it back from her, using it to kill one of her demon minions.
Later when Dean and Sam are imprisoned by Crowley, the possessed Christian Campbell uses it to torture Meg, until he is killed with it by Dean.
After trapping Crowley under a Devil's trap, Meg tortures him to find out if he can restore Sam's soul. When he denies he can, Dean hands the knife to her so she can kill Crowley, but he overpowers her and uses the knife to break the Devil's trap. Castiel then appears with Crowley's bones, which he burns to kill Crowley. Seizing the moment as a distraction, Meg escapes before Dean can kill her.
6.18 Frontierland
(Deleted Scene)Guy Bee has said that when Samuel gives Sam The Colt, Sam asks him if he'll be alright unarmed and Samuel opens his draw and pulls out the knife. Source:[1]
6.20 The Man Who Would Be King
Bobby uses the knife to torture a demon for information on Crowley's residence. He stabs the demon in the thigh, causing him great pain.
6.21 Let It Bleed
Dean uses it against demons he is torturing, as well as those guarding Lisa and Ben.
7.08 Season Seven, Time for a Wedding!
Dean has the knife when he confronts Guy the Crossroads Demon. He loses it in the fight, and Becky uses it to kill Jackson. Dean then uses it to overpower Guy, but before he can kill him, Crowley arrives and makes a deal instead.
7.15 Repo Man
Dean and Sam surprise Jeffrey, and hold the knife to his throat while they use holy water to see if he is a demon. Jeffrey later uses it as part of his ritual to cut Dean and get his blood and to kill his dog for her heart. Later, after Sam lures the demon into a Devil's Trap, Jeffrey tries to attack the demon with the knife, forcing Dean to kill him.
7.17 The Born-Again Identity
Dean encounters a demon at Emmanuel's house and uses the knife to kill him. Later, Dean is confronted by three demons at a convience store and he manages to kill one with it but loses the knife. However, Meg picks it up and kills another one and the last demon flees as a result. Later, when discussing all the demons outside the Northern Indiana State Hospital, Castiel/Emmanuel asks if they have more knives to fight the demons with, but Dean tells him all they have is one.
7.21 Reading Is Fundamental
Meg steals the knife and uses it to kill Rosco and another demon. However, Sam and Dean are aware that she left and she walks straight into a Devil's Trap upon return and is forced to hand the knife back over. However, Castiel is able to confirm her story about killing two other demons as he can smell demon blood on the knife.
8.01 We Need To Talk About Kevin
When the Devil's Trap in the church Kevin Tran is hiding out in is broken, Sam and Dean realize that demons are coming and Dean hands Sam the knife to fight while he uses a blade he got in Purgatory. With the help of Kevin, Sam kills one demon with the knife then tosses it to Dean who kills the second attacking demon with it. Crowley then shows up and Dean faces off against him with the knife, but when Dean tries to use it on him, Crowley causes it to burn Dean's hand, forcing him to drop it though Dean is able to quickly pick it up again.
8.02 What's Up, Tiger Mommy?
While checking on Mrs. Tran, Sam and Dean discover two demons watching Mrs. Tran, one possesing a gardner and the other a mailman. Dean lures the gardner away from the front of the house and kills him with the knife and Sam does the same with the mailman. Later, when they find that Eunice is possesed by a demon, Dean uses the knife to kill her after Sam forces the demon back into her body with a reverse exorcism.
While in Purgatory, Dean is shown to have the knife and he uses it to force a monster to tell him where Castiel is. When the monster tells him where Castiel is, Dean kills him.
When interogating the thief who stole The Word of God tablet, Dean holds the knife to his throat and scares him into confessing who he sold the tablet to.
After arriving at Plutus' auction, Dean is forced to give up the knife, but promises to get it back. During the struggle that later follows, Dean spots the knife and grabs it to go after Crowley who is possesing Mrs. Tran. Dean fights Crowley and tries to slit his/her throat, but he flees Mrs. Tran before he can.
8.07 A Little Slice Of Kevin
After finding out that Linda Tran has captured a demon, Dean pulls the knife on the demon, presumably to torture information on the location of Kevin Tran out of it. The demon gives him the location and after arriving there, Dean kills the demon with the knife. While making his way into the warehouse the demon led them to with Sam and Castiel, Dean used the knife to kill a demon that was guarding the building. Dean later tries to kill another demon with it, but is telekineticaly thrown into a mass a chains and Castiel is forced to kill the demon with his powers, which weakens him.
Links
- Ruby's Knife as reproduced by angelicfoodcake
