Rook

Lavi (ラビ Rabi) is an independent mage who looks for her younger sister. Before his reunion with his sister, he takes assassination jobs to earn money. He also pretended to be kind and earns Natsu's trust to kill him with ease and finish his mission.

Appearance
Lavi is a tall, well-built young man with fairly light skin. He has spiky, bright red hair and green eyes. He tends to wear up in a bandana and he is constantly seen wearing an eyepatch over his right eye, and what lies underneath is currently unknown, though he has stated that he does not wear the eyepatch because of any injury. Lavi wears a long jacket and tight pants that he tucks into his boots. He wears a long orange scarf and a light green bandana with dragon scales pattern. Lavi keeps his hammer in a holster he wears on his thigh, thus why his pants tend to be tight. He has also taken to wearing hoop earrings.

Personality
Before meeting his younger sister, Lavi was a war freak and a bad mage who does not care if he has to kill someone just to earn money. He tends to fight with a mage he doesn't like even he don't know them. He also fights innocent people and gets their money. When taking an assassination mission, he doesn't care if he has to kill innocent people just to kill his target. Lavi is also smart and he uses his intelligence to plan assassinations for his mission. He, however, is a womanizer and likes pretty and sexy women that he sees immediately.

With his mission to kill Natsu, he pretended to be kind but still war freak. He has rivalry between Natsu which is always stopped by Erza and Lucy. After his reunion with his long lost sister, he became kind and open to others. He now loves peace and avoids fighting with other mages. However, his rivalry with Natsu and Gray is not stopped.

History
At some point of his childhood, Lavi lost his younger sister. According to him, he lost his sister when a group of dark mages try to capture them. He and his sister runs but they split up. While looking for his sister, he saw that his sister was caught by one of the dark mages but was taken to a boat. He wishes to save her but he is afraid that he might be caught too. After that, he cries and promises that he will look for her and do whatever it takes just to see her again. He states that he will make those dark mages pay for taking his sister away from him. He meets Hades that gave him his hammer. Hades also made Lavi a dark mage and trains him how to kill people. Lavi decides to leave Grimoire Heart to be an independent mage so he can look for his sister with more ease.

Phantom Lord Arc
Lavi first appears to Natsu when they accidentally bump while walking. Natsu says that he should be careful while walking so he won't be bumped. Angered by Natsu for blaming him, Lavi prepares his hammer and gets ready to fight a fired up Natsu. Both of them starts to fight but stopped by Erza and Lucy. They then apologize to Lavi and invite him to talk with them. Gray asks him why he is in Magnolia, Lavi then answers that he is looking for a certain man. Later on, he joins the Fairy Tail's fight against Phantom Lord. He defeats some shades and enters Super Mage Giant Phantom MK II and encounters Sol. Annoyed by Sol's personality, Lavi attacks Sol with his and states that if he defeats Sol, he could earn Natsu and the other's trust so his mission will be easier. He defeats Sol with ease and laughs at him for being weak. Lavi then proceeds and sees a nearly defeated Natsu and Aria. Lavi attacks Aria with his Fire Stamp: Hellfire and Ash. Aria then attacks him and sends him flying to the wall. Weakened by Aria's attack, Lavi uses Fire Stamp: Burning Spirit to Natsu and lets him eat it. Natsu defeats Aria with his blow and sees Lavi fall into the ground. Lavi tells Natsu to go forward and defeat Phantom Lord for his guild's sake. Natsu then thanks him and proceeds forward. After Natsu leaves, Lavi laughs and states that all is going according to his plans and the death of Natsu will be sooner. After the defeat of Phantom Lord, Lavi is seen celebrating with the others. Natsu invites him to join Fairy Tail and Lavi joins the guild.

Tower of Heaven Arc
Lavi secretly follows Natsu and his team in the beach. Natsu wakes up from Wally's attack and Lavi shows where Wally had gone. After Erza and Happy was caught and taken away, Lavi goes with Natsu and the others and rides a ship. While in the ship, Lavi looks at his sister's picture and remembers her. Lucy asks who is in the picture and Lavi replies to her question that she is his long lost sister. Before Lavi continues to tell Lucy his story, Natsu states that he can smell Wally. They then enter the tower under water with the help of Juvia's water bubble. Lavi and the others encounter the Tower of Heaven guards and engage them in battle. Lavi remembers that those are the uniforms of the dark mages who caught her sister and says that her sister might be in the tower. Lavi is now more determined to find his sister inside the tower. They then continue and has been split up. Lavi and Natsu encounters Fukuro and engage him in battle. Lavi uses his Heaven Stamp: Violent Thunder against Fukuro but it didn't work. Natsu tries to attack Fukuro with his Iron fist but is eaten by Fukuro. Lavi saves Natsu and states that Fukuro can't be the one to kill him. Natsu then asks him what he mean by that but Lavi replies that he should never mind it. They reunite with Lucy and others. Lavi says that he will split up with them to search for something. Alone, Lavi states that he will save his sister and then destroy the tower so that Natsu and his friends would die and so he can complete his mission. Lavi defeats all the guards that he would see and ask them where his sister is. He thinks that his sister might not be there anymore so he decides to meet up with others and cancels his plans. After they leave the Tower of Heaven, he and the others are shocked with the guild's new building.

Fighting Festival Arc
Lavi watches the Miss Fairy Tail Contest and comments that all the women that joined the contest are beautiful and states that he likes them all. After the girls were turned to stones by Evergreen with her Stone Eyes, he is angered to have the beautiful women turned to stone and states that he will defeat the Thunder God Tribe. Lavi came out to battle with other Fairy Tail members. Lavi encounters Jet and Droy. He easily defeats them with Water Stamp: Water Fall. Lavi then proceeds and encounters Freed. Angered by Freed because he is one of the Thunder God Tribe, Lavi attacks him with his hammer and states that he can defeat Freed even without magic. However, Freed dodges all melee attacks made by Lavi and attacks him. Lavi, who is more angry to Freed for dodging all his melee attacks that made him tired, decides to use magic. He attacks Freed with his Water Stamp: Hydro Pump and hits him. Freed stands up and attacks Lavi and sends him flying. Lavi falls into the ground and is badly hit but he stands up and prepares his hammer. An all fired up Lavi attacks Freed with Dark Stamp:Dark Avengance and states that he will never be defeated, not by a member of a guild. Lavi leaves Freed and proceeds to find Laxus. Lavi then encounters Bixlow and engages him in battle. Weakened from his battle before, Lavi can't use more of his magic power but still tries to use his Wood Stamp: Wood Hurricane. However, Bixlow dodges the hit and attacks Lavi with his dolls that made Lavi fell to the ground. Lavi wakes up and sees the Thunder Palace. Lavi hears Gray through Warren's Telepathy. Gray orders the Fairy Tail members to destroy each lacrima filled with enormous amounts of Lightning Magic. Lavi destroys ten lacrimas with his Fire Stamp: Hellfire and Ash. Lavi then proceeds to Kardia Cathedral to help Natsu win against Laxus. He saves Natsu from Laxus' Lightning Dragon's Roar and uses Fire Stamp: Heaven's Flames to Natsu. Angered by Lavi for giving Natsu fire, Laxus attacks Lavi and knocks him out. Lavi then tells Natsu to defeat Laxus. After Laxus is defeated, Lavi smiles and states that Natsu's death is near. Back to the guild, Lavi sees Laxus come to the guild and shouts to him that he will defeat Laxus for hitting him before. Laxus tells him that he has no time for such kid stuff which made Lavi more angry.