A Certain Magical Index: Season 2

Tōma Kamijō struggles to complete his summer homework at home because Index keeps on distracting him. Tōma decides to take Index to a restaurant for a change of location but it becomes the worst day of his life when a magician named Ōma Yamisaka attacked them, kidnapped Index, and ran off. As Tōma tries to find her and runs into Mikoto Misaka along the way, Ōma prepares a ceremony that would allow him to access the grimoires inside Index's head to find a cure for a curse inflicted on a woman he

Archbishop of Canterbury Lola Stuart informs Stiyl Magnus that the Amakusa Church stole The Book of the Law and kidnapped a skilled decoder named Orsola Aquinas. She sends him to Japan to work with the group of Roman Catholic battle nuns called "Agnese Forces" in searching for the grimoire as well as Orsola. Stiyl pretends to kidnap Index to get Tōma's assistance. Tōma coincidentally encounters Orsola on his way to save Index and brings her with him. The Amakusa Catholics suddenly appear via a h

The Agnese Forces face off against the Amakusa Catholics at an amusement park, while Tōma, Index, and Stiyl sneak inside. Tōma manages to escape from pursuing Amakusa Catholics and bumps into Orsola. He gives her the Celtic cross necklace that Stiyl gave him earlier. The two are reunited with Index and Stiyl then they face off against the leader of the Amakusa Church named Saiji Tatemiya. Tōma and Stiyl work together to defeat Saiji, and the rest of the Amakusa Catholics are captured by the Agne

Stiyl explains that the Roman Catholic Church would not kill Orsola until they could prove her to be a heretic. Saiji leaves to free his comrades and Stiyl tells Tōma and Index to go home since they have no further stake in this matter. Tōma secretly goes by himself to a church where Orsola was being held and tortured by Agnese, who revealed that her battle nuns deceived Necessarius to assist them. He is later joined by Stiyl, who revealed that the Church of England placed Orsola under their pro

Tōma's group barricade themselves from the battle nuns. He and Index come up with an idea to use Orsola's skill to decipher The Book of the Law in Index's head for their advantage. When Orsola mentioned her deciphering method, Index reveals her translations are false, proving her inability to decode the grimoire at all. Tōma confronts Agnese wielding a weapon called "Lotus Wand", while the others fight the battle nuns. He manages to learn her weapon's attack patterns and lands a hit on Agnese. A

Kuroko Shirai goes out shopping with Mikoto but she gets interrupted by her colleague at Judgment named Kazari Uiharu, who reported about robbers stealing an aerospace travel case. Kuroko subdues the thieves but she is then attacked and wounded by their leader and another teleporter named Awaki Musujime. She reveals to Kuroko about the Tree Diagram's destruction and how various factions planned to gather its remnants like the ones inside the travel case. Kuroko manages to escape but she becomes

Kuroko finds Awaki at a nearby building and uses the latter's trauma of self-teleportation to make the first strike, but her injuries prevent her from teleporting to safety. Awaki explains to Kuroko that she and her organization called "Science Syndicate" planned to build a new Tree Diagram to create other species of espers. She persuades Kuroko to join her in their cause, but the latter rejects her offer and verbally abuses her for making excuses. Kuroko tries to attack Awaki but gets shot inst

Academy City is hosting a sports competition between various schools of the city called "Daihaseisai Festival", allowing visitors from outside the city to enter and watch the event. While Tōma's parents, Tōya Kamijō and Shīna Kamijō, as well as Misuzu Misaka, assumed to be Mikoto's older sister, get to know each other, Tōma and Mikoto decide to make a bet to make the loser do anything the winner wants. Back in London, Lola contacts Board Chairman Aleister Crowley to inform him about the infiltra

Tōma, Stiyl, and Motoharu chase Oriana through a bus station filled with magic traps but she manages to escape and uses counter magic called "Shorthand" to avoid being tracked. Stiyl and Motoharu undergo a painful magical spell to locate Shorthand despite Tōma's objections, which happened to be in the center of a middle school ball-tossing match. With the competitors in danger of being hurt by the spell if they touch it, Tōma and Motoharu infiltrate the match as contestants to destroy it but the

While Heaven Canceller tends to Seiri, Stiyl manages to lead Tōma and Motoharu to Oriana's location. Oriana inflicts a curse on Motoharu and gives Tōma trouble with her variety of spells yet Tōma's determination allows him to land a hit on her. Oriana escapes but she leaves behind her cargo, which turned out to be a signboard. Lola soon learns that they used Stab Sword as a decoy for an actual artifact called "Croce di Pietro", fearing her since the Roman Catholic Church will use it to place Aca

After he encountered trouble with Index, Mikoto, and Kuroko following lunch, Tōma is informed of Oriana's location and is instructed by Motoharu to go there with Stiyl. As Motoharu tries to track her, Oriana goes straight to his location and attacks him. She defeats him and destroys his search spell but Motoharu bluffs that he called in reinforcements to trick her into running away before she finishes him off. Meanwhile, Aisa Himegami becomes worried about Tōma but Komoe suggests inviting him to

After they lost track of Oriana, Tōma and Motoharu realize she is scouting the city to find the perfect location to use Croce di Pietro. Orsola contacts them with information about the need for a large open area with visible constellations at sundown to activate the artifact. Motoharu figures out that the airport located at Academy City's District 23 would be the perfect area to activate the cross. Tōma, Stiyl, and Motoharu head to the location quickly as sundown is approaching. By the time they

As Oriana and Tōma continue to battle, Stiyl recovers and summons Innocentius. Refusing to give up, Oriana uses her full powers to defeat Stiyl and Tōma. As he is about to lose consciousness, Tōma remembers his promises to his friends and recuperate himself to finally defeat Oriana. However, Lidvia contacts them and reveals she is currently outside the city along with Croce di Pietro. Luckily, the night parade that contained fireworks event has started, blocking out the stars and preventing the

Despite a chain of bad luck with his female companions during the festival, Tōma gets lucky on the last day when he won a lottery for a one-week trip to Chioggia, Italy. When he and Index arrived at the coastal town, Tōma tries to find her after she got lost but he is found by Orsola, who managed to find Index. Later, Orsola explains to them that she and the Amakusa Catholics came to help pack and move her belongings to London. After they helped them, Tōma and Index are about to go to their hote

Agnese reveals they are on a fleet of magical ships called the "Queen's Fleet". She agrees to let Tōma and Orsola escape in exchange for rescuing Lucia and Angelene. As Agnese goes to the fleet's flagship to meet its commander named Bishop Biagio Busoni, Tōma and Orsola manage to find and rescue Lucia and Angelene. The latter two mention the danger awaiting Agnese since she will be used for a spell that would destroy her brain. Suddenly, the other ships start shooting at them, causing them to fa

Lucia and the Amakusa Catholics hold off the battle nuns, while Tōma, Index, and Orsola continue onwards to the flagship. While he distracts an army of ice golems, Tōma soon encounters Biagio, who used his cross spell to defeat him. Meanwhile, Orsola manages to find Agnese but also meets Biagio and hears his plan of using Agnese to activate the fleet's power to destroy Academy City. As Biagio subdues them, Tōma arrives and knocks him down. With the failure of his plans, Biagio activates the flee

Autumn arrives at Academy City and the students change into their winter uniforms. Accelerator, Last Order, and Kikyō Yoshikawa move out of the hospital into Aiho Yomikawa's apartment while Misaka #10032 and three other Sisters begin rehabilitation under Heaven Canceller's care. Meanwhile, Mikoto has Tōma do whatever she wants as promised in their bet by dragging him to a mobile phone shop that offered a Gekota phone strap for buyers signing a couples plan. However, they have to take a photo of

In London, the ladies of Necessarius have trouble learning how to use a new washing machine. Back in Academy City, Mikoto finally claims her phone straps while Tōma encounters Misaka #10032 searching for Last Order and buys her a necklace to distinguish her from Mikoto. When Mikoto rejoined them, Misaka #10032 starts teasing her and clinging onto Tōma, attracting the attention of Last Order before Misaka #10032 chases after her again. Elsewhere, Hyōka Kazakiri appears from the Imaginary Number D

In Russia, Sasha Kreutzev tries to learn the side effects of being possessed by Archangel Gabriel but gets harassed by her superior named Vasilisa. Back in Academy City, Last Order scrapes her knees on the way home with Accelerator, prompting him to buy her bandages. However, Accelerator is attacked by a group of armed soldiers called "Hound Dogs" led by his old mentor named Amata Kihara. He easily defeats the soldiers, but Amata manages to beat him up. Accelerator manages to muster up enough st

Accelerator uses Index's presence as a distraction to force a Hound Dog driver to get him and her away. Before Amata can go after them, Vento appears and defeats his soldiers. Meanwhile, Tōma and Last Order search for Accelerator and escape from the Hound Dogs chasing after her by hiding in a restaurant, where everyone fell unconscious as well. Accelerator leaves Index in the care of Heaven Canceller and is informed about Last Order's situation. In an attempt to take out the Hound Dogs hunting h

Motoharu battles the spectral being, who turned out to be working with Vento to kill the unconscious residents of Academy City. Tōma calls Accelerator from Last Order's cellphone to update him of her status. Accelerator soon learns that Amata managed to capture Last Order, although he keeps her alive for some reason. Aleister then uses Testament with Last Order's authorization to summon an angel to appear in the city to target magic users. Index realizes the angel is Hyōka as she, Tōma, and Miko

Accelerator fights Amata, but his choker's battery runs out, severing his connection to the Misaka Network and becoming paralyzed. However, he begins to move again by force of will. Meanwhile, Tōma fights Vento, who continued to be weakened by Testament, while Hyōka makes snow appear over the city to protect the unconscious civilians. Vento reveals her hatred towards science when both she and her little brother got into an accident at an amusement park ride and the hospital only had enough blood

Hyōka returns to normal with Index's help and blames herself for the chaos she caused but Tōma assures her that she also protected the city's populace. Acqua retreats with Vento and the rest of her men from Academy City. Meanwhile, Accelerator is captured by the city's security forces. As the city recovers from Vento's attack, Tōma's class gathers for a dinner at a sukiyaki restaurant where they talked about the upcoming war with Academy City. Meanwhile, the Board of Directors punishes Accelerat

Awaki finds herself disadvantaged since Ritoku is equipped with a stolen military exosuit. Ritoku then confronts Accelerator by using a chaff grenade to interfere with his choker. However, Accelerator uses a pistol to clear the air and shoot him. He later encounters a drunk Misuzu searching for a university database center. Misuzu then encounters Tōma and Index. Group's leader contacts Accelerator and reveals that Skill Out was hired to kill Misuzu, who planned to take their children out of Acad