Castiel

Castiel, often shortened to Cas, is a powerful angel of the Lord who was responsible for saving Dean Winchester from Hell, on the archangels' command. It was his job to help prevent Lilith from breaking the 66 Seals that, once broken, would release Lucifer from his cage in Hell. He learned of Remi Singer, a Nephilim. Once Castiel learned that the angels wished to free Lucifer anyway, he defied his angelic brethren and died trying to help Dean prevent Sam Winchester from breaking the last seal.

Biography
After he was killed by the Archangel Raphael, Castiel was resurrected by God and joined Sam, Dean, and Bobby Singer in a quest prevent the brothers from becoming the vessels of Michael and Lucifer. Castiel would later be killed by Lucifer but his actions allowed Sam to trap both Archangels away. With the Apocalypse averted, Castiel was again resurrected by God with new powers, being promoted to Seraph. He then started a civil war in Heaven to prevent Raphael from restarting the Apocalypse, Thinking he could not be outsmarted by a demon, Castiel teamed up with Crowley to claim the souls of Purgatory. He ended up betraying Crowley and absorbed all the souls, resulting in his powers reaching the level that is much higher than an archangel, but at a high price: the powers that the evil souls granted him had warped Castiel's mind, causing him to proclaim himself as the new God.

Castiel later agreed on the advice of Dean to release the souls back into Purgatory. While seemingly successful, it turned out that the one of the most powerful entities, the Leviathans, from Purgatory held on to Castiel, and overpowered and took control of him. When the Leviathans leave to take over new forms, Castiel was presumed dead, but survived – apparently resurrected by God yet again. Dean later accidentally finds Castiel as an amnesiac healer called Emmanuel. After taking on Sam's madness and experience in Hell in order to save the Winchesters and redeem himself for what he did to Sam, Castiel had become insane and fell into a coma. However, he awakens and his sanity is returned to an extent when a signal was sent to all angels upon the discovery of the Word of God and the appointment of a new prophet. He then aids the Winchester brothers against Dick Roman, only to be transported to Purgatory with Dean.

While Dean returns, Castiel has not returned with him. While his condition is initially unknown, it's revealed that he spent most of his time running from Leviathans and that he didn't escape Purgatory with Dean as he had planned to stay as a form of penance. However, he was eventually released from the monster realm by an incursion of angels under the orders of a mysterious but powerful angel named Naomi and would rejoin the Winchester brothers and tried to become a hunter himself. But after a long while, Castiel learned that Naomi has been controlling him ever since she got him out of Purgatory and compelling him to find the angel tablet, at any cost, even going as far as killing Dean. When he almost did so, after that, Castiel then teamed up with Metatron when the angel convinced him to help him close the gates of Heaven. So after collecting the heart of a nephilim, which Meatron wants to use Remi which Castiel wouldn't allow, and the bow of cupid, Metatron is eventually captured by Naomi but escapes and kills her, only for Cas to discover Metatron's betrayal and plan to cause all angels in Heaven, even the imprisoned ones, to fall to Earth.

After being stripped of his grace by Metatron in order to expel all angels from Heaven, Castiel spends the next three months on Earth as a human. After being captured and tortured by an angel named Malachi, Castiel steals the grace of Theo and returns to his original status as an angel (previously being promoted to a Seraph). Castiel later assists Dean with expelling the angel Gadreel from Sam and heals Sam's wounds. After Dean leaves with Crowley to find a way to defeat Abaddon, Castiel also leaves to begin a search for Metatron and Gadreel while being pursued by other angels and eventually kills rebel leader Bartholomew and assumes command of his faction but a deception of Metatron's makes him lose his army but instead teamed up with angels Gadreel and Hannah to infiltrate Heaven and destroy the angel tablet, cutting off Metatron's power to allow Dean to kill him. Though successful, Dean and Gadreel were killed, while Castiel locked up Metatron. He has currently left Heaven as he doesn't want to be a leader and was dying due to his burning-out grace before Crowley saved him with Adina's grace. He has since reclaimed the last of his own grace and restored to full power and being a Seraph once again.

When he discovers that Remi was pregnant and everyone either wanted to either take the babies or kill them, he offered to keep her safe and the babies. Castiel argues with Dean and Sam when he learns that they suggest the babies not be born. Remi disappears from the bunker which leads to Castiel looking for her.

After the release of the Darkness and the trauma he suffered under Rowena MacLeod's spell, Castiel agreed to act as the vessel for Lucifer to walk the Earth once more so Lucifer could battle the Darkness. Castiel would remain Lucifer's vessel for months, only emerging briefly to save Sam's life and convince the angels to help against the Darkness. At the end of the conflict with the Darkness, Lucifer was exorcised from Castiel by the ancient being, leaving Castiel in control of himself once more. During this time, he finally found God who returned to defeat the Darkness as well which was accomplished by Dean.

Following Lucifer's exorcism from him, Castiel would dedicate himself to finding the fallen archangel and locking him away, blaming himself for Lucifer being free upon the Earth once more. This task caused Castiel to reluctantly work closely with Crowley who also desired Lucifer gone. Following Lucifer's apparent defeat, Castiel dedicated himself to hunting down Lucifer's son Jack, a dangerous Nephilim. After a battle with Dagon that resulted in Castiel's brief empowerment by the child, Castiel became convinced of the child's supposed goodness and chose to become his protector and guide, forsaking the Winchesters in the process. While trying to lock Lucifer in an alternate reality, Castiel was killed once more by the Fallen archangel.

Following his death, Castiel was then sent to The Empty, where all angels and demons go when they die, to sleep for eternity. He was awoken from his eternal slumber when Lucifer's son Jack called his name. He was soon expelled from The Empty by the realm's guardian The Shadow, due to interfering with the latter's slumber and demanding his release, allowing him to be resurrected as a result. Castiel soon reunited with the Winchesters and Jack to help them out in their hunter cases. He later met with Lucifer who returned from the other world and warned him about the invading Alternate Michael. While in debate over recruiting Jack, Castiel and Lucifer were captured by Asmodeus with Castiel being used as bargaining chip for the Winchesters. Castiel escaped and was betrayed by Lucifer who nearly killed him but he retaliated before the latter fled and Castiel returned to Sam and Dean to warn them about the impending threat. Castiel was also reunited with his brother Gabriel who wanted no part in the conflict as Castiel set out to locate him to get him to help in restoring Heaven. Very soon, Gabriel joined the team and after they capture Lucifer they are travel to Apocalypse World and find Jack and Mary. The group are also aided by Lucifer after he escaped and decided to help out. Castiel evacuated with the others back to Earth but at the cost of Gabriel. They faced a new problem as Michael made his way there and Castiel finally met his enemy who tossed them aside. However, Jack wounded Michael while Lucifer extracted Jack's power but Dean agreed to be Michael's vessel and killed Lucifer, at the cost of losing his body.

Castiel's legacy has seemed to have become legendary among angels and demons alike, as many recognize him as the only angel who defied God's rules and cooperated with humans on his own decision, which he is either loathed or respected for. He is also the only angel to have been killed, and been resurrected multiple times. He is the only known angel who has repeatedly been resurrected by God so he could help Sam and Dean Winchester.

Physical Appearance
As an angel, experiencing Castiel's true form will result in blindness, deafness, or even death, as the appearance of his natural visage is so overwhelming that it is capable of burning human or demon eyes from their sockets, as he said to Dean, "My true form. It can be overwhelming to humans and so can my real voice." However, Castiel stated certain, "special people" are able to tolerate his true appearance and voice. Although his true form has never been seen, it is known that he has two feathered wings. When Castiel becomes a seraph, he describes himself to Samuel Campbell as a "multidimensional wavelength of celestial intent" and his true form is "approximately the size of your Chrysler Building" in height.

For humans, they see him as the appearance of his vessel, Jimmy Novak, who is a handsome man of average height in his thirties. He sports a pair of dress shoes, a black suit, a buttoned white-striped dress shirt, and loosened blue necktie accentuated by a beige trench coat. Although he has a very dire demeanor, his outward appearance radiates a natural calm and serenity which makes conversation easy and direct. Since his third resurrection, his appearance has changed. He lost his trench coat upon his third death and when he became amnesic, he wore different clothes. Upon regaining his memories, Dean gave him back his trench coat, but he still wore Emmanuel's clothes until he became insane. While insane he wore his trench coat and hospital scrubs. While in Purgatory he retained the same outfit, albeit extremely dirty and torn off. Castiel also grew a beard and his hair became messier. After returning from the monster realm, Castiel returned to his original appearance. He kept this until he lost his grace and became human. While he initially kept his usual clothes, they became dirty and he was unable to clean them and get food and water so he abandoned the trench coat and suit and took to wearing more casual human clothes, though he did wear a suit when he pretended to be an FBI agent. After becoming an angel again, Castiel donned a new suit and trench coat, albeit not as accented as his previous trench, nor as long. He at first didn't wear a tie like before, but after a suggestion from Claire Novak that he looked better in a tie, Castiel donned the blue striped tie from his FBI suit and continued to wear it in the next seasons.

Personality
Castiel is a strong, determined, impulsive, competitive and naïve celestial being. Like most angels, Castiel expresses little to no emotion, which creates flaws and complexities in his persona. Despite this, he does not display the blank apathy or mocking superiority that seem to characterize angels such as Uriel or Lucifer. His lack of emotion and understanding of human behavior such as sarcasm has led to several humorous situations throughout the show, and has occasionally gotten him into trouble with humans, ultimately leaving Dean or Sam to amend the situation. He does, however, become close friends with the brothers, who encourage him to be kinder, more caring and more selfless.

Common Angel

 * Angelic Possession – As a spiritual being, like all angels, Castiel needs to use and possess a human vessel to physically interact while on Earth. As an angel, he requires the vessel's permission.
 * Astral Projection – Castiel is able to partially project his true form while inside his vessel, which appeared at the end of the Season 4 episode Lazarus Rising as shadows of his feathery wings on his back to show Dean proof that he was in fact what he claimed.
 * Chronokinesis – Although he has said it is difficult for him, even with the powers of Heaven at his disposal, Castiel can travel forward and backward in time, and he can take passengers.
 * Dream Walking – Castiel appeared in Dean's dream to deliver him a message.
 * Electromagnetic Interference - Castiel caused a dozen car alarms to stop by raising his hand.
 * Healing – Castiel can instantly heal the wounds and diseases of humans. Castiel has saved and healed both Sam and Dean many times from their wounds. As a fallen angel, he was not able to heal.
 * Immortality – Castiel, as an angel, like all celestial beings, doesn't age over time and is immune to disease. He never tires, and does not need to eat, sleep, drink, or breathe to sustain himself or even his vessel.
 * Regeneration – There are very few things able to permanently harm or kill Castiel, as he has repeatedly shown the ability to quickly, if not instantly, heal and regenerate from any non-supernaturally inflicted wound or ailment, regardless of its fatality.
 * Invulnerability – As an angel, Castiel is entirely immune to most, if not all, means of physical harm, at least they be enhanced by magical or otherwise supernatural means. In his first appearance, he was completely unfazed by several shotgun blasts and being stabbed by the Demon-Killing Knife. Later, when Dean Winchester punched him out of anger, Castiel barely flinched and the impact sounded as if Dean had punched a piece of metal. An alternate version of Castiel seemed to possess a similar level of invulnerability as he was unbothered by several attacks from Dean, including being bashed in the head by a piece of steel kitchenware.


 * Smiting – Castiel possesses the ability to kill or exorcise a demon simply by touching his palm to the forehead of its host. He is able to kill lower-level demons and other beings like monsters with a simple touch. When this happens, a strong white light appears from the eyes and mouth of the victim and burns them from the inside out. This ability does not work on demons stronger than Castiel as Alastair proved to possess complete immunity from such an attack. Lost the ability when he became a fallen angel as it came from Heaven, but regained a more powerful version after his second resurrection.
 * Resurrection – Castiel brought Dean back from the dead. He lost the ability when he became a Fallen Angel as it came from Heaven.
 * Sedation – Castiel can cause instant unconsciousness in humans by tapping them or simply placing two fingers on their forehead.[1][2][3]
 * Localization - As an angel, Castiel is able to track and locate beings, although not if they are warded by Enochian sigils. He can track warded person's location if they pray to him.
 * Pyrokinesis – Castiel displays the ability to burn through ropes binding him.
 * Super Strength – As an angel, Castiel is physically much stronger than humans, ghosts, monsters, lesser angels, and most demons. Though he typically seems to attempt to avoid fighting, he is a very formidable physical opponent when need be, and is unstoppable when facing mortal beings. He proved capable of overpowering common angels and humans with ease, and he once beat Dean to nearly a bloody pulp. Although incredibly strong in his own right, an angel such as Uriel or a high-level demon such as Alastair had superior levels of super strength. As Uriel exhibited superhuman strength when battling two demons in the episode Heaven and Hell, Castiel most likely possesses such physical power as well. Also his strength has been seen in numerous episodes, and he is shown be quite strong. In the episode On The Head Of A Pin Castiel was able to send Uriel flying through a wall. However, he was no threat to archangels. An alternate timeline version of Castiel displayed a similar level of strength, able to effortlessly overpower and throw Sam and Dean Winchester around like ragdolls.


 * Astral Perception/Senses - Castiel can see things hidden to humans. Castiel's vision and hearing are at extreme superhuman levels; he was able to see a symbol on a person's heart that was so small Sam needed a microscopic lens to see it. He also has an amazing sense of taste and is able to taste every molecule in a piece of food.
 * Telekinesis – Castiel has the ability to move objects and even people with his mind, imparting kinetic energy on matter with his mind. He used this to twist Ruby's Knife into Alastair's wound after having stabbed him with it. He later uses this power to unscrew a bolt from a distance.
 * Telepathy – Castiel is able to read the minds of humans and other lower-level angels.
 * Voice Mimicry – Castiel once perfectly imitated Bobby Singer's voice.
 * Protective Charm – Castiel is able to protect someone from harm beforehand, as seen when he prevented his vessel, Jimmy Novak from burning his hand on a pot of boiling water when asked for a sign of faith.
 * Spell Casting – As an angel, Castiel has extensive knowledge of Enochian symbols and spells which he has used for a variety of effects. He could draw an Enochian Devil's Trap that could completely suppress and bound a demon as powerful as Alastair. He also knew of symbols that could banish or ward off angels. After his first resurrection, he branded Sam and Dean with a pattern of symbols that would conceal them from every angel in creation, even one as powerful as Lucifer. He later did the same to Adam. Castiel was also capable of casting various tracking spells.


 * Holy White Light (granted by another angel's grace) – While possessing the grace of an unknown ranking angel, Castiel displayed this ability, using it to blast a door open and then again on Cain. However, being the very first Knight of Hell, the latter was so powerful the blast of light merely ruffled his hair.
 * Lie Detection - While powered by Adina's grace only, Castiel was able to sense that the now-human Metatron was telling the truth when he admitted to previously lying about knowing a cure to the Mark of Cain.
 * Limited Cosmic Awareness – As an angel, Castiel possesses a superhuman level of intelligence. He explained the reason of his chronokinesis limits by partial differential equations, that shows that he has highly advanced understanding of mathematics, explicitly of mathematical calculus and differential geometry. Like other angels he has vast knowledge about celestial related things such as the weapons of heaven, prophets, others types of angels and nephilim. He also retains knowledge about spells and symbols.