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Powers and Abilities Superhuman strength, durability & perception of angel true forms.
Vulnerabilities Angel blade
Appearance Human
Episode(s) 8.22 Clip Show


Nephilim are the offspring of humans and angels. Their creation is forbidden and they are considered to be abominations by Heaven. There was only one, Jane, known to be on Earth. Jane was killed by Castiel after Metatron tells him it is necessary as one of the trials to close the Gates to Heaven required a Nephilim heart.

After Lucifer possesses President Jefferson Rooney and has sex with Kelly Kline, a presidential aide, he purposefully channels an immense amount of cosmic energy, resulting in the conception of another Nephilim, Jack. Due to the immense power used by Lucifer, the cosmic shock wave alerts all angels as well as the British Men of Letters of its creation.


The Nephilim appear human. When they are provoked, they reveal glowing silver eyes. However, the Nephilim Jack possesses golden eyes, possibly due to being born of an archangel as opposed to a regular angel. When a Nephilim is born there are usually signs accompanying the birth such as storms, outbreaks of disease, plagues of locusts, massive power outages, and even tears in space and time. Due to being considered abominations of nature and Heaven, a Nephilim can cause dangerous reactions around objects considered holy, as shown when Kelly Kline set a Bible aflame just by placing her hand on it while pregnant with her son Jack.

Powers and Abilities

  • Superhuman strength – their strength far exceeds that of normal angels, including seraphs such as Castiel.
  • Enhanced durability – they can withstand attacks from angels and seraphs such as Metatron and Castiel, respectively.
  • Can see the halos on angels.



Castiel kills the Nephilim Jane.

8.22 Clip Show

Jane, a Nephilim, who is according to Metatron the only one in existence, works as a waitress at a restaurant called Eugenies in Ojai, California, and serves Metatron and Castiel. When the two decide that Castiel will do the three trials to seal off Heaven, Metatron reveals that the waitress is a Nephilim and Castiel must kill her and cut out her heart to complete the first trial. That night, the two angels trail her to kill her, but she reveals her knowledge of what they are and begs them not to kill her. As she is an innocent woman, Castiel hesitates, but when she attacks him and Metatron, Castiel kills her with his angel blade while she is distracted, thus completing the trial.

12.08 LOTUS

Soon after Lucifer, in the body of President Jefferson Rooney, has sex with his mistress, Kelly Kline, Castiel's head is besieged with the sounds of angel radio. He tells Sam and Dean that there has been a massive surge of celestial energy, indicating a Nephilim has come into existence. Due to the power involved in the surge, it could not have been a regular angel, only Lucifer.

The Winchesters task Crowley with collecting Kelly; once she is brought to their motel room, they explain the situation. When she doesn't believe what they are telling her, Castiel has her place her hand on a Bible. Because Nephilim are an abomination, the Bible begins to catch fire. After talking Kelly into helping lure Lucifer into a trap, the archangel is expelled from the president's body. As Sam and Dean stay behind to check on the president, Castiel takes Kelly away. As they are sitting in a diner, Kelly excuses herself to the bathroom. In reality she sneaks out of the diner and hails a taxi. She calls Castiel from the road and tells him she's keeping the baby, telling him she can feel it inside her and that it's still her child.

12.10 Lily Sunder Has Some Regrets

In 1901 Castiel and his garrison are taken to Orono, Maine, by their commander Ishim, under the pretenses of eliminating a Nephilim. In 2017, Castiel learns the truth that the child Ishim killed, May, was in fact a human, and the deaths of the child and angel Akobel were due only to Ishim's spite and anger for Lily Sunder's romantic rejection.

12.13 Family Feud

When Crowley tells Lucifer that the Winchesters have "taken care of" his child, Lucifer corrects him, telling Crowley that he can feel his child is still alive.

Kelly Kline, now a couple of months pregnant, is beset by two angels looking to kill her and her unborn child by orders of Heaven. She is saved by the Prince of Hell, Dagon, who tells Kelly that she is carrying a boy, and her child could be a savior to everyone.

12.19 The Future

After Kelly attempts suicide to prevent the death and destruction that may come from her child, she is resurrected by her child, bringing her a sense of hope. After Castiel absconds with Kelly, the Nephilim begins communicating with her, telling her that she needs to follow Castiel's plan, no matter how scared she may be, as Castiel will ensure that he is born.

Sam theorizes that the grace extractor can prevent Kelly and her baby from dying. Since Nephilim are human souls infused with angelic grace, if the grace is removed then it would render them human. After hearing their plan, Kelly refuses to let them take away what makes her baby special.

At the sandbox, as Dagon is about kill Castiel, he clasps hands with Kelly and is imbued with the power from the Nephilim, causing his blue eyes to glow gold. He is given the strength to restrain Dagon and immolate her to ash. When Kelly asks what the Nephilim told him, Castiel tells her the child showed him the future.

12.23 All Along the Watchtower

The Nephilim is born in an explosion of white light.

With the Nephilim birth nearing, strange signs of its impending arrival begin to manifest. First a tear in space and time appears behind the house in North Cove, Washington, that Castiel and Kelly have rented, which leads to an alternate Earth where angels and demons are locked in a never-ending war. The next sign is a massive blackout originating from the house's location, which allows Sam and Dean to find them due to Castiel using the alias "James Novak" to rent the house.

When the Winchesters arrive, Sam, Dean, and Castiel venture to the alternate Earth while Mary stays with Kelly to help her through the birth. As Sam, Dean, Cas, and Crowley battle Lucifer outside and in the alternate Earth, Kelly tells her child she loves him and the Nephilim is finally born through an explosion of white light which knocks Mary unconscious and kills Kelly. After the death of Castiel and Mary being pulled into the alternate Earth by Lucifer, Sam notices a pulsating light coming from inside the house. He goes to investigate, only to find Kelly lying peacefully dead in the bed. He hears a noise coming from Jack's nursery and notice footprints scorched into the wood floor as he slowly enters the room. Sam soon finds a fully grown Jack sitting in the corner. As Jack looks up at a shocked Sam, his eyes glow gold and he gives a knowing smile to Sam.

Nephilim in Fandom

During the first two seasons of Supernatural, there was much fan speculation that Sam may have been a Nephilim.

Nephilim in Lore

In the Hebrew Scriptures, Nephilim are said to be the offspring of the "sons of God" and the "daughters of men." The coupling of angels and human women was said to produce giants.

The word "nephilim," pronounced neh-feel-EEM, is Hebrew and plural. The word for a single offspring of an angel and human is "naphil," pronounced nah-FEEL.