Gowther

"Memories are merely information. Creating or erasing them is not difficult. What I want to understand...is the "emotion" that reaches beyond them."

- Gowther confesses the motive behind his actions when confronted by Diane in Existence and Proof

is a member of the Seven Deadly Sins and is known as the Goat's Sin of Lust. Gowther was revealed to be a doll, created by a great wizard and a former member of the Ten Commandments. His Sacred Treasure is the twin-bow, Herritt which he uses to fully utilise his power, Invasion. In the current arc, Fraudrin claims that he was formerly part of the Ten Commandments, as the  Selflessness, but that the curse of his own commandment has caused him to lose his memories and feelings.

Appearance
Gowther has amber eyes and dark red hair (sometimes depicted as magenta) that reaches just past his jaw. His usual attire consists of a gray long-sleeved shirt underneath a white sleeveless top as well as a pair of dark pants and short boots. He has a very feminine face and as such can be mistaken for a girl.

Gowther also wears a pair of glasses with light frames and apparently cannot see without them. This was first discovered when he disguised himself as Armando. Gowther also has the ability to change characteristics of his hairstyle and his skin color. However these are the only features he can change.

In flashbacks and his wanted poster, Gowther is depicted as a large suit of armor although he is still comparatively smaller than people of the Giants' Clan. His face is never seen. Instead only wearing a set of full silver body armor with a helmet featuring a pair of horns, one of them broken. He is most noticeable for his massive spiked metal shoulder plates.

His Seven Deadly Sins Goat symbol is located on the right side of his chest.

Personality
During the battle between a deformed Dale and Dawn Roar Gowther first reveals himself speaking in a distinctive, emotionless manner. His expression never changes, being perpetually blank and his speech bubbles are distinctively square, as opposed to the round bubbles of everyone else. Despite his emotionless nature, Gowther does care about others. This is shown when he protects Pelliot from an attack by the Armored Giant.

He is shown to be completely clueless and unaware of others' feelings. He has an inability to understand the meaning of friendship. He often states things factually without realising that what he says can upset people. He decides to assist Elizabeth on her journey, not because of a desire for justice, but because he felt obligated as a member of the Seven Deadly Sins. Since Gowther doesn't understand emotions he goes to great length to understand them. For example, he often observes Meliodas and Ban's friendship and he is not beyond using his powers to experiment on others as seen when he brainwashes Guila.

Despite his title he has normally not shown to be lustful. Although, he displayed a small amount of said lust when he brainwashed Guila to love him when he was shown darkly smirking. He has, however, displayed a cold and rather cruel side when using his Nightmare Teller technique on another person remarking how fragile humans are when confronted with their deepest fears. Despite Gowther's emotionless nature, he appears to enjoy posing whenever introducing himself or on a mission.

As Armando
When Gowther disguised himself as Armando, he displayed an easily flustered attitude and frequently played with Pelliot and his group. He demonstrated apparent gratitude towards Pelliot for saving his life many years ago and is shown to be willing to endanger himself to protect the young boy.

History
Before joining the Seven Deadly Sins, Gowther was a doll created by a great wizard to find a heart.

At some point before the betrayal, the Seven Deadly Sins met with King Liones and his young adopted daughter Elizabeth, whom Gowther remembered. Gowther received the armor from Merlin at some point resulting to his fellow Sins not seeing his face and Ban calling him "a big old man" inside the armor.

12 years ago
Gowther participated in the battle against the Vampires of Edinburg although he didn't do much during the battle and had managed to infiltrate the vampires ranks by having them believe he was a part of their clan. He showed up just in time to save Diane and King who'd had their strength drained by a drunk Ban and were having a hard time against two vampires. After they complained that he was late, he told them that he wanted to make his entrance exciting by striking a pose. Later, he helped Merlin knock Escanor out cold and witnessed Meliodas' hidden powers after he made a huge crater.

10 years ago
Gowther, along with the rest of the Seven Deadly Sins, was summoned to the castle to meet with the Great Holy Knight, Zaratras. Believing they were there to discuss their defeat of the Troll Queen (as well as the unintended destruction of the Great Druid Altar), they were instead shocked by the gruesome discovery of Zaratras's body. They were all then ambushed by the Holy Knights.

An unspecified amount of time later, Gowther encountered a monstrous, crazed creature while attempting to hide in the Ordan Forest. Sensing the beast's sinister power, he sealed it within his suit of armor. Later, Gowther was found by a young Pelliot outside of the village, collapsed and badly injured- presumably from his battle with the beast. He was subsequently carried back to the village by Pelliot who continued to look after him until he was healed. Gowther decided to take on the persona of Armando and was hired by Pelliot's father to look after the young boy.

Introduction arc
Gowther's wanted poster is displayed on a board in Boar Hat.

Vaizel Fight Festival arc
In the anime, Gowther in disguise traveled to Vaizel where he read and bought some books accompanied by Dale in enchanted armor where they made social interactions with each other later in the cave nearby the Vaizel rock where the town's fight festival was held. In Vaizel's marketplace, Gowther noticed Meliodas, Ban, and King passing by while checking out books.

Armor Giant arc (Manga)
Gowther makes his first true appearance as the easily embarrassed Armando, reluctantly playing along with Pelliot and his gang's role-play of the Seven Deadly Sins. The children's game eventually leads them to the Boar Hat, with Pelliot demanding as the "Captain" of the Seven Deadly Sins, to know why a bar was built in his village without his permission. Soon after, the real Seven Deadly Sins appear, having just arrived in the town looking for news of their other members.

After an initial fright, the children take a liking to Diane, playing with her while Armando speaks with Ban. He starts apologizing for any trouble Pelliot and his friends might have caused, though Armando is told by Ban not to worry, but that he should put a stop to the children's role-play of the Seven Deadly Sins, lest they anger the Holy Knights. The group is then interrupted by a roar coming from the forest, which Armando explains the villager's attribute to a mountain god. A townsman then arrives, hastily declaring that a group of Holy Knights was now searching through the mountains for a dangerous criminal. While the Seven Deadly Sins confer amongst themselves, Armando watches placidly, oblivious of the fact that Pelliot and his friends have run off in search of the criminal and the Holy Knights.

As the children are traveling in the forest, Armando tries to convince Pelliot to turn back since it's dangerous. Pelliot gets upset at Armando and tells him he shouldn't have saved him in the past and continues to walk. Mera asks Armando what Pelliot meant and Armando tells Mera how he met Pelliot, and the reason he's so loyal to him.

"Gowther" is later found on the mountain next to Ordan of the Dawn Roar. He is seen standing on a whole group of knights that he easily defeated. Gowther and the Dawn Roar come to a stand off, and each side waits for the other to move so they can attack. But Pelliot comes in and tries attacking "Gowther" with a sword, thinking that he was the dangerous criminal. He then tried to smash Pelliot, but Armando pushes him out of the way and gets smashed instead, making the opening Dawn Roar was waiting for.

As the battle begins, the Dawn Roar charge toward "Gowther." In response to this, the Seven Deadly Sins arrive to save "Gowther" from the Dawn Roar. Unfortunately, the Deadly Sins become overwhelmed by the Dawn Roar, and as a result "Gowther" gets damaged. As Weinheidt was about to send out a powerful arrow attack to Gowther, it was stopped by Armando, who tells everyone how it was impressive that the Dawn Roar was able to damage the armor, but they might soon regret releasing the seal. Pelliot then runs towards Armando, happy that Armando's uninjured, but Armando apologizes to Pelliot for hiding his identity, and reveals to everyone that he is the real Gowther.

The Dawn Roar think he is kidding, but Weinheidt confirms that he is Gowther due to the latter stopping his full powered arrow with his bare hand. Ban then walks toward Gowther and tells him he thought he was a big old man under the armor. Gowther was surprised to see that Meliodas had not aged in ten years. At first Gowther does not believe that the kid before him is King, but he quickly changes his mind when King transforms into his fat form. Slader the leader of Dawn Roar gets excited to meet the Deadly Sins, but says that they are there for the Armor Giant's head. Gowther concludes that an all out battle would destroy the village, so he removes the armor giant's head and gives it to Slader to get him and the Dawn Roar to leave.

Slader accepts the offer, but tells him that if he ever got the mission to take his head, he would do it, and leaves with his group. King then tells Gowther that he was surprised, as he thought he was sympathizing with the monster to which Gowther does not understand. Gowther then tells everyone that the monster was most likely human which shocks them. The monster later gets up despite being headless and Gowther reveals that it was once a Holy Knight. He then explains that he forced the monster inside his armor to contain its powers for a while and takes Pelliot out of the battle field. When Pelliot wakes up, Gowther tells him to leave the area since it is too dangerous for Pelliot and heads back to the Deadly Sins to fight with all his power. Gowther then appears to Ban and Meliodas who were arguing whether to save the beast or not. Gowther saved Meliodas from the monster with a strange power like bow, growing on his arm.

Gowther revealed that he used his power Invasion, where he trapped the beast in an illusion created from what his heart most desired to see. Ban is about to kill the beast until Meliodas stops him, saying that the beast is partly human, but Ban does not listen and removes the beast's heart with a whip. After the beast starts fighting again, Gowther carries King after he's hit by the beasts Venom Spit, but once Meliodas kills it, they all go back to the bar. Gowther then re-introduces himself to the group, particularly to Elizabeth, who welcomes and is pleased to meet him, then ask if she could use his strength which Gowther refuses, much to her shock. He then tells her that this was not the first time they've met since she met all the Deadly Sins when she was a young girl, much to her surprise. Gowther then accepts Elizabeth offer as she is the princess.

Gowther watches the group having a party and is glad to meet everyone again. Meliodas starts to chat with Gowther while mentioning how none of them are the same race and Meliodas proceeds to ask Gowther about what happened during the ambush ten years ago. He replies by using his power to look into Meliodas' memories, saying that it was Merlin who attacked and rendered him unconscious. Meliodas is shocked that Merlin was the traitor and asks Gowther if he knows where Merlin is, to which Gowther replies that he does not know. Gowther then uses Invasion on everyone else and, much to their dismay, reveals their secrets: Diane's true height, what Ban did during a past battle, and the reason why King cannot use his true strength, though King cut him off. Meliodas then tells Gowther to read the atmosphere, to which he does but asks everyone if Elizabeth is in love with Meliodas. However, Diane does not hear this, as she had passed out, presumably from too much alcohol. King then hastily tells Gowther to read the atmosphere.

Gowther then sees Pelliot, and Meliodas encourages him to talk with the latter. Pelliot hugs Gowther when they are alone and asks him to stay, which Gowther could not do since he has to be there for his teammates. However, Pelliot thinks that Gowther is using it as a way to leave him. Gowther then transforms back into Armando to explain to Pelliot that Armando does not exist and that he bases his personality on a traveling entertainer, since Pelliot enjoyed him, and the hair style belonged to Pelliot's dead mother. Pelliot grows upset at Gowther for revealing such information and decides that, since he cannot stay, Pelliot will become a Holy Knight to capture him and would not forgive him even if he apologize to him, but Gowther turns around and tells him that they would then meet again which makes Pelliot break down crying.

Armor Giant arc (Anime)
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As Aran
Gowther decides that Dale and he should take shelter in a cave in the forest of Ordan. However, the bats caused Dale to run in fear towards a spot in the forest. Gowther finds him and decides to give him some seeds to feed to the birds. Gowther started relaxing with Dale until he suddenly smashes a wild rabbit. Gowther returns the rabbit to its place where he also found a piece of wood which he carved in the cave to fill the gap in Dale's armor.

After leaving the cave while having Dale stay, he surprises Elizabeth and Hawk in Ordan while they were hiding from the Holy Knights. He introduces himself while also accidentally insulting Hawk by oinking at him. He felt surprised and was asked if he was hiding as well. He questions back if they were hiding.

After introducing himself, Hawk tried to prevent Elizabeth and him from revealing their names, but failed. They were afraid of Gowther turning them in, but he didn't really care. After finding Elizabeth's wanted poster, he joked if there was a bounty which Hawk took seriously. Elizabeth asked if he was looking for money, but he stated he was looking for an armor adhesive. However, he also stated that he can't know how people are feeling since it's not written in books. Elizabeth understood that he wanted to help someone important to him and even gave a lover as a example. Gowther asked if she had one which she lied after remembering Meliodas. He thinks that his person is different which Elizabeth thought he's referring to a friend.

As soon as he found Dale, he apologized for not finding an adhesive. Ban was vigorously wondering what was wrong with him and then Dale starts attacking causing the battle to begin. After grabbing one of Weinheidt's arrows, he reveals his identity. }}

Kingdom Infiltration arc
As Meliodas explains his reason to head to Liones and get his sword back, a mysterious Holy Knight appears out of nowhere and takes Elizabeth, saying she is the last key to the Coffin of Eternal Darkness. Meliodas orders Diane to throw him to Liones with Ban deciding to go, followed shortly by Gowther, saying he wanted to see the bond between Meliodas and Ban. Diane tosses the Deadly Sins towards Liones at full speed. During the speedy flight, Gowther couldn't hear a word from Ban just said. Meliodas, Ban and Gowther just landed in Liones while running toward the kingdom. Holy Knights are aware of their arrival and send out their Holy Knights to stop them. Meliodas tells Gowther and Ban that their mission is to save Elizabeth and to keep their fights to a minimum. Ban wonders if Meliodas' minimum meant to go all out, to which Meliodas responds that he will go all out. As Meliodas and Ban continuously massacre every Holy Knight who attempts to stop them, Gowther keeps running.

The trio then stop when they feel a large power coming from the south side of the kingdom, which turns out to be Camelot's army with their leader Arthur Pendragon. Later, the trio continues to cut through the Holy Knights as they attempt to break through. Deciding to end this with minimal bloodshed, Gowther uses his Sacred Treasure Herritt to overwrite the memories of the attacking Holy Knights and turn them into allies. Gowther explains his technique to the bewildered Meliodas and Ban who then told him not to use it on them no matter what, to which Gowther complies. The trio sneak away from the enemy Holy Knights and go into hiding in order to figure out a plan. Ban tells Meliodas that they should head to the Liones castle, because in fairy tales, the princess always gets locked up in the underground prison. Meliodas agrees to the plan, and they head to the castle with Meliodas promising to save Elizabeth. The trio then sense a battle going on at the south gate which Meliodas decides to head over to, thinking Elizabeth could be there.

The trio sees a giant sharp rock appear in the kingdom, and realize it must have been created by Diane's ability. Thinking she could be in trouble, Gowther offers to go to the area and help her while Meliodas and Ban save Elizabeth. Gowther rushes towards Diane's location as fast as he can, but three Holy Knights find and trap him in order to kill him. Gowther ask if they could fight somewhere else so they do not hurt the people, which the Holy Knights do not agree to, but Slader appears and disables them, After promptly dealing with them, Slader turns to face off against Gowther. Slader starts attacking Gowther while the latter dodges his attacks. Slader asks him if he believes in fate, which Gowther responds that things happen so is not fate. Slader says that he wanted to fight Gowther for so long, and was surprised to meet him so soon. But Gowther claims there is no reason to fight until Slader says that the Deadly Sins betrayed the king and grows angry because of their reason. Gowther stop his blade and tells Slader that he has to end this quickly, but Slader uses Overpower on Gowther, giving him the chance to break his neck.

Slader goes into thought at how the king once saved him, until Gowther stands up, despite his broken neck and sees his memories. Slader is shocked to see Gowther in good shape. Gowther tells Slader that they do not have a reason to fight since they both serve the Royal Family, but Slader refuses, saying that the Dawn Roar has replaced the Deadly Sins, which Gowther mistakes as Slader being his junior and shakes his hand which Slader shakes off. Gowther then asks Slader if the king really told him that the Deadly Sins are traitors, which silences Slader. Though he then says that the king is sick and was not the one who told him, but the Great Holy Knights. Gowther again ask if the king really told him, which shocks Slader upon realizing the truth and he walks away, realizing the mistake he has made. Wasting no time, Gowther finally proceeds to the battlefield where he saves a now-renegade Holy Knight Guila in a bridal manner from Great Holy Knight Dreyfus' Pierce attack, whilst firing a small light arrow on his arm. Gowther thanks Guila for protecting Diane, and goes down to face Dreyfus, which the latter points out Gowther's ability as the most dangerous of the Deadly Sins since it is able to crush minds. Dreyfus rushes in and stabs Gowther through the chest with Break to stop Gowther from using his ability, but Gowther is still alive and punches Dreyfus, sending him flying. Gowther puts an illusion on Dreyfus, which turns into a nightmare for Dreyfus as he sees his dead brother and starts breaking down in tears, regressing into a child. Gowther stares coldly at Dreyfus, calling him a fragile human.

As Gowther is about to leave Dreyfus to his nightmare, the latter senses a dark pressure coming near. Before Gowther can react, Dreyfus breaks free from Nightmare Teller and returns back to the real world while Gowther lays down frozen, but thanks to Gowther, Dreyfus is heavily injured mentally and decides to retreat along with Gilthunder while Helbram fights them off. Meliodas mentions that Gowther's powers are fading due to his frozen state. When Helbram, after casting off his human form, attempts to kill a still-frozen Gowther, Diane and the others involved with the Sacred Tree's roots, King uses Chastiefol's Form Eight Pollen Garden to protect them. As Howzer speaks of the idea of a truce between the Deadly Sins and Holy Knights, Gowther seemingly regaining consciousness uses Light Search on Howzer, showing his words hold no deception. Howzer is alarmed to Gowther's sudden recovery after he was stabbed through the chest, but realizes that he was healed thanks to King's Chastiefol: Form Eight Pollen Garden. Diane thanks Howzer for helping them, but Gowther mention that Howzer isn't doing it for them, but for Diane which Howzer denies while blushing. When Dreyfus accepts the idea of a truce, Howzer is happy for Dreyfus, but Gowther asks the Great Holy Knight if it was the other side that accepted the truce, to which the latter denies what he is talking about, and goes off with the others to save Elizabeth.

After regrouping with Meliodas, Gilthunder, and Margaret, the group heads to the main castle to free Elizabeth and Baltra, however, the group is teleported to a lost forest thanks to Vivian, however the group is teleported back to Liones thanks to a cloaked figure who defeats Vivian easily. The cloaked figure reveals itself to be Merlin of the Seven Deadly Sins. Merlin later takes the group to the Royal Charm by teleportation and meets the Dawn Roar. Slader is upset to see Gowther due to his current situation and that Gowther could laugh at him if he wants, which the latter does, much to Slader's annoyance. After freezing Elizabeth and Baltra, the group interrogation for his crimes which Gowther reveals that he saw into his memories and knows he did it out of jealousy toward his brother, Zaratras which Dreyfus admit defeated and freed the kingdom. After Merlin leaves alongside Arthur and Baltra to treat the king's wound, the castle is once more under attack by Hendrickson this time, who also awakens the demon blood in every New Generation Holy Knight. As Jericho begins to transform into a Demon and about to kill Zeal and a slowly transforming Guila, Gowther along with Diane appear and stop Jericho from killing them. Gowther then uses Invasion on Jericho and Guila to keep them calm. However, he loses control of Jericho who then assaults Diane but manages to keep Guila from transforming.

When a Hybrid Demon appears before them, Guila blasts the beast away while telling everyone she is fine, although Gowther seems unsure. Guila and the others decide to go and save Elizabeth and help Meliodas while Ban and King cure the Hybrid Demons in Liones. Gowther rejoins with the other Deadly Sins at Merlin's Old Castle to face Hendrickson for a final battle. While the Deadly Sins, Meliodas, King and Diane are fighting against Hendrickson, Ban questions Gowther how Hendrickson gained demonic powers which Gowther explains that Hendrickson gained it through a demon corpse which he was told about by Guila. Ban is surprised at hearing what Gowther revealed, until Hendrickson slams Ban against the wall, in which Ban discovers a demon corpse which the latter shows to everyone. When Ban slams Hendrickson to the ground, the group minus Diane due to her size, goes inside to find Hendrickson where the latter is found and reveals that he had a Gray Demon and uses its blood to transform into a new form and easily blast the upper part of Ban when he tried to attack him. Gowther along with the other Deadly Sins, are blown out of Merlin's Old Castle and are badly injured due to Hendrickson's newfound power. Gowther tries to stop Hendrickson from getting Elizabeth by using Rewrite Light, but Hendrickson appears behind him and beheads him. As everyone believes Gowther is dead, he appears holding his own chopped off head, searching for his glasses which alarms Diane and King. Once he reattaches his head, Gowther uses Broadcast to transmit the plan Meliodas mentioned to everyone, Deadly Sins and Holy Knights alike to defeat Hendrickson.

After Hendrickson's defeat and death, Gowther witnesses Meliodas falling from the sky after using his Revenge Counter on the former Great Holy Knight and is later thanked by King Baltra for saving the kingdom along with the rest of the Sins. When Ban grieves for Hawk's death, Gowther logically explains to the Fox's Sin of Greed that if the captain had died instead of Hawk, their chances of victory would have been diminished and Hawk's death didn't even affect the fighting prowess of the group and considers this not much of a loss. This angers Ban, who is about to strike at Gowther for saying that but Merlin gets in their way, defending the Goat's Sin of Lust. She then asks what happened to his armor, revealing that she was the one who gave it to him. Gowther tells Merlin that the armor was destroyed, and the Boar's Sin of Gluttony assures Gowther that she'll get him a replacement as soon as she can.

Post-Kingdom Infiltration arc
After the major event, Gowther starts a relationship with Guila, much to everyone's surprise. The two seem to act like love birds, however, Gowther is shown to have a creepy smile while waving at Guila from inside the house. The next day, Gowther gets a brand new uniform from Guila, and he appears to be more flirtatious and seductive. The Deadly Sins end up celebrating the festival while working in the Boar Hat along with everybody else, as Gowther flirts with Guila who is in the bar with everybody else. In the morning, Gowther attends the award ceremony held in honor for the Seven Deadly Sins with the exception of Ban and King who are at the new Fairy King's Forest and Escanor, who is still missing. Here he witnesses Meliodas calling for the halt to the awarding due to disgruntlement coming from the Pleiades of the Azure Sky: Death Pierce, Dogget, and Wayeo who stepped forward. He also noticed Balor's Power Eye on Hawk's ear as explained by Merlin. Eventually the Goat's Sin of Lust watches the battle between Meliodas and Dogget as he declares the fight to be over when Meliodas injures the Holy Knight's hands before completely defeating him.

After the Six Stars left, Gowther unintentionally destroys Hawk's inflated ego when he reveals that the talking pig's Power Level is actually 30 while his is 3100, much to Hawk's anger and dismay. Later, Gowther accompanies his fellow Sins to meet with King Baltra, who informs them of the growing omen of the Holy War set in Camelot, south of Britannia. Later, Gowther heads to Merlin's new headquarters, where she give him strange pills as medicine which Hawk finds tasty. As Diane comes in, begging Merlin to find King, Gowther walks out while tossing the pills away and spiting out the one he has. When Meliodas appears to talk to Merlin, the latter asks Gowther to get ready to head out to Camelot in a few days, which Gowther refuses, and walks away with Guila who is waiting for him. As the two lovers walk out, they come across Zeal, who begs to see his sister, in which Gowther steps in between the two, saying he can talk to him. In actuality, Gowther takes this time to erase all of Zeal's memories, leaving him with no recollection of his name, or that he even had a sister.

Albion arc
A confrontation with Diane soon after reveals that Gowther has manipulated both sibling's memories; Guila's memory manipulation occurring during the battle between Ban and Meliodas. It is during that battle, Gowther had noticed that both Ban and Meliodas (who despite suffering heavy injuries), increased in power level. After coming to the conclusion that feelings of love are what caused this change, Gowther switches from studying friendship, to love, using Guila as his makeshift lover. Gowther attempts to convince Diane that the memory manipulation was necessary at the time, as it is what helped suppress the Demon Blood within Guila. Revealing that he has made Guila's memories a much happier one, Gowther asks Diane and Elizabeth which set of memories Guila would be happier with. Diane disagrees with this, asking Elizabeth to go get Meliodas and Merlin. Gowther attempts to stop Elizabeth, but is stopped by Diane. Here, the battle between the Sin of Lust and Sin of Envy begins.

After a long battle with the Serpent's Sin, as Diane collapsed in exhaustion and Gowther sulking, they wondered what could've happened. Realizing it was Gowther, the Deadly Sins captain demanded an explanation from the Goat's Sin of Lust, who, after realizing his actions, demanded to be sealed away in armor once again before it's too late. Gowther restored both Zeal and Guila's memories while apologizing to them, however, Guila forgives Gowther as she believed she deserved it for drinking Demon blood and thanked him for the memories of her late father.

Under Merlin's order, Gowther was forced to return back to his true form until a matter of dealing with him was dealt, which revealed his true form to be a doll and was taken care of by Slader. Later, after Meliodas and the others failed to stop Galan, Gowther returned to his human like form and laughs sinisterly at tricking Galan.

Istar arc
When Meliodas woke up from his sleep, Gowther revealed he is under control thanks to Merlin's new item, Peace Amulet, but group were saddened about losing to Galan. However, Meliodas soon lifted everyone's spirits by stating they were to train more to get stronger and form a strategy, even Arthur and Elizabeth had to awaken their hidden powers as well. Meliodas believed the situation was so bad, they had to bring in Escanor and later went to check up on Diane's health until King popped up to check up on her. But to everyone's surprise, Diane forgot who she was and was continuing to lose her memories.

Gowther revealed he used Lost World on her to test if her feelings for King are stronger than memories. King was furious at Gowther's action, but quickly calm down when he realize he did the same to Diane and shouldn't judge, but he still punched Gowther and went after Diane along with the others who they know that she is heading towards Megadozer to tell them about Matrona.

However, they were soon attacked by Monspiet Hellblaze which Hawk Mama ate to save them. When the group lost sense of Diane, Meliodas told King that Diane will be fine for now and they should focus on training to defeat the Ten Commandments which King agreed. The group decided to head to Istar to regain Meliodas strength and to have the group trained.

Once there, Gowther went to the Cave of Training and was paired up with Arthur as Gowther tries to avoid King as he was still upset at him. Both confronted a Knight Golem that wasn't able to be destroyed. They deduced the one controling it had to be somewhere near, but the Golem was able to decapitate Gowther. To Arthur's surprise, Gowther was still alive. Gowther and Arthur soon came out of the Cave of Training with a strange cat like creatures on Arthur's head.

Ravens arc
After Meliodas' regains his strength from Land of Druids, Gowther and the others head to Vaizel to join the Great Fight Festival that hold by Gloxinia and Dolor, two member of Ten Commandments.

Great Fight Festival arc
Before escaping his captives, Denzel and Death Pierce, Fraudrin claims that Gowther is a former member of Ten Commandments representing Selflessness.

Upon arrival with the others from the Boar Hat, Gowther remained separated throughout the maze of the Great Fight Festival, reuniting with everyone at the center and end point. He appears and lands on top of Escanor, introducing himself dramatically and greeting the Lion's Sin of Pride whom he finally meets after ten long years. Meanwhile, Dolor briefly recognizes Gowther's name but is unable to make any connections.

As the tournament begins, Dolor uses Creation to mold the battlefield and organize the competitors into pairs; Gowther is paired with Jericho. After Gloxinia promises to fulfill the wishes of the victor, Gowther is determined to win the festival and be granted a heart. He shows zero hesitation regarding the rule of killing the opponent, and in their first battle, Gowther and Jericho is pitted against Escanor and Hawk.

Jericho and Hawk tries to convince Gowther not to fight his Seven Deadly Sins' comrade. Despite their efforts, Gowther stubbornly knocks both of them unconscious and advances toward Escanor. He immediately uses Nightmare Teller to reawaken Escanor's traumatic memories, revealing his uncomfortable past and creating a false illusion of Merlin to fill Escanor with despair. However, the image of Merlin enables Escanor to find hope instead, subsequently filling him with unparalleled power.

Abilities and Equipment
During his fight against the Dawn Roar in Ordan, Gowther caught Weinheidt's charged arrow with his bare hands and sliced through armor of the Armored Giant with ease. Evidently, he is blessed with great strength and power despite his frail body frame. He possessed a set of enchanted armor which is able to suppress and prevent powers from becoming uncontrollable and possible amplifies his strength to use brute force ten years ago. Point-blank attacks and consecutive smashes by Dale and Diane respectively have shown to cause minimal damage. Furthermore, he is completely unaffected after Slader breaks his neck as he gets back on his feet and fixed his neck back to normal as if nothing happened. Same thing goes when Hendrickson beheaded him, only for Gowther's body to move on its own and reattach the head back together again as if nothing happened to him.

Not much is known about Gowther's true strength as Gowther usually use his Invasion to trap people in illusion instead of fighting them directly. However, despite not fighting with his strength, Gowther is still known to be the most dangerous of the Deadly Sins due to his ability to break and trap minds, as proof to his fight against Dreyfus, a Great Holy Knight. Gowther can parry attacks easily with his bare hand and dodge them quickly.

Power Level

 * Magic:1300
 * Strength:500
 * Spirit:1300
 * Power:3100.

Weapons

 * Herritt: Gowther's Sacred Treasure; Herritt, is a twin bow made out of energy that can be summoned when Gowther needs it. It draws out the capacity and works in conjunction with his ability, Invasion.

Equipment

 * Balor's Magical Eye: Gowther has been "loaded" with Balor's Magical Eye, allowing him to see the overall power level or the magic, strength and spirit levels of an individual.

Abilities

 * Invasion: A power that allows Gowther to entrap his opponents within their own memories. It also grants him the ability to read the thoughts and memories of others.
 * Transformation: Gowther has the ability to change his appearance to a limited extent, such as changing the length and color of his hair along with his skin color.
 * Immortality: Gowther appears to be an immortal of some sort. He survived being pierced with a sword through his chest and having his neck broken as if nothing happened. The true nature of this ability is yet to be revealed. It might also be due to the fact that he is a doll.

Meliodas
Gowther and Meliodas have a friendly relationship and Gowther strongly respects his captain. He willingly used Search Light to help Meliodas recover his lost memories of the incident ten years ago.

Diane
Gowther and Diane are both members of the Seven Deadly Sins. Gowther shares a friendly relationship with Diane despite saying her secret out loud like her true height. Gowther has however shown to care enough that he left to help Diane in her fight against Holy Knights in Liones.

However, disagreeing on the nature of memory and how one's feelings are stored, Gowther would later erase Diane's memory as part of one of his experiments, showing a callous disregard for her wellbeing or the feelings of others in the matter.

King
Gowther and King are both members of the Seven Deadly Sins. Gowther shares a fairly close bond with King and are both somewhat serious in battle. He cares for King as a fellow comrade, and carries him when he was injured by Dale's Venom Spit. Their relationship does become strained once Gowther erases Diane's memories as part of an experiment. King partially forgives him, but also punches Gowther in the face.

Merlin
Gowther and Merlin are both members of the Seven Deadly Sins. Gowther seems to hold a history with Merlin as she was the one who gave him his armor and Merlin seems to defend Gowther clueless and emotionless nature.

Slader
Gowther and Slader appeared to be close and a form of a rival, but this is on Slader's side. Due to Gowther's emotionless nature, Gowther doesn't think of Slader much, but does prevent from truly hurting Slader and offered information and knowledge about the Great Holy Knight loyal to the king. Finding out that Slader's group replaced the Sins, Gowther considers himself Slader's senior.

Either for romantic reasons or comedic ones, it is implied that Slader may hold feelings for Gowther.

Guila
Guila and Gowther met when he saved her during Hendrickson´s attack to Liones. After Hendrickson´s demise, apparently, Gowther and Guila became lovers. This proved to be a ruse however as Gowther had altered Guila's memories to create false emotions for himself. After releasing his hold on her, she showed no ill will towards him, admitting that she had done terrible things herself and that ultimately Gowther's actions saved her.

Pelliot
Under the disguise of Armando, Gowther and Pelliot have a master and servant relationship between then, with the Deadly Sin taking on a motherly role. Despite Gowther's emotionless nature, he is shown to care for Pelliot, changing his personality and appearance to appreciate the young boy. Although Pelliot states that he will become a Holy Knight and capture Gowther in the future, Gowther is only cautious of the thought that they will be able to meet again in the future.

Elizabeth Liones
Gowther and Elizabeth have a friendly relationship. Gowther's reason for joining the Deadly Sins is because of Elizabeth's status of princess.

Vampires of Edinburgh

 * Diane, King, & Gowther vs. Mod & Ganne: Win

Armor Giant arc

 * Meliodas, Ban, King & Gowther vs. Dale: Win

Kingdom Infiltration arc

 * Meliodas, Ban & Gowther vs. Holy Knights of Liones: Win
 * Gowther vs. Slader: Indecisive
 * Gowther vs. Dreyfus: Indecisive
 * Meliodas, Diane, Ban, King & Gowther vs. Hendrickson: Lose

Albion arc

 * Diane vs. Gowther: Indecisive

Great Fight Festival arc

 * Gowther & Jericho vs. Escanor & Hawk: Win

Trivia

 * Sir Gowther is a relatively short Middle English tail-rhyme romance in twelve-line stanzas, found in two manuscripts, each dating to the mid- or late-fifteenth century. The titular character is said to be the half-brother of the famed wizard Merlin.
 * According to the databook(s):
 * Gowther's special skill is changing forms and reading minds
 * Hobby is reading books
 * Daily routine is none
 * Favorite food is uninteresting
 * Charm Point is his clavicle
 * Complex is inability to read the situation
 * Person he respects the most is one who write books
 * Person he doesn't want to make a enemy of is nobody.
 * Gowther has poor eyesight and is unable to see without his glasses. The Author revealed that without his glasses, it is less than 20/200.
 * Gowther enjoys heartfelt tales that humans write, often role-playing their events after he reads them.
 * The Sin of Lust is usually symbolized with a Cow and the color blue.
 * In the Nanatsu no Taizai Popularity Poll, Gowther was was placed 3rd overall (12068 votes) which included the online poll and placed 7th (165 votes) when considering only postcards.
 * Gowther doesn't need to drink, bathe or eat.
 * Gowther seems to be the comic relief, even in the most dire situation

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Gowther