Mahou Shoujo Lyrical Nanoha A's

Nanoha faces Vita and Graf Eisen for her Linker Core before Fate's arrival

While waiting for Fate to return, Nanoha is attacked by Vita and Graf Eisen, who seek her Linker Core. Vita gains the upper hand by utilizing magical cartridges to boost her weapon's power. Just as the situation appears hopeless, Fate, Aruf, and Yūno arrive at the last minute to intervene.

Nanoha and Fate battle the powerful Wolkenritter, resulting in Nanoha losing her Linker Core

Nanoha and Fate engage in combat against the significantly stronger Wolkenritter, also known as the Cloud Knights. The intense battle concludes with Nanoha losing her Linker Core to the enemy forces. Additionally, both of their devices, the Raising Heart and Bardiche, sustain severe damage during the confrontation.

Arthra crew relocates to Nanoha's neighborhood to pursue Wolkenritter mission

Following the incident involving Nanoha, the Arthra crew receives orders to intercept the Wolkenritter. With the Arthra undergoing upgrades, Captain Lindy, along with Chrono, Amy, and Fate, temporarily moves into Nanoha's residential area. This strategic relocation allows the team to monitor the situation closely while their vessel is modified. The episode concludes with Raising Heart and Bardiche requesting a new and dangerous modification to their design, signaling a significant shift in their operational capabilities and the stakes of their upcoming mission against the Wolkenritter.

New Powers, Activate!

Signinum infiltrates TSAB barrier as Wolkenritter programs escape with Shamal's sacrifice

Signum breaches the TSAB barrier to assist her teammates during an ongoing battle. Nanoha and Fate secure an advantage against their adversaries, but a mysterious man intervenes to aid them. To enable the Wolkenritter to escape, Shamal sacrifices pages from the Book of Darkness to destroy the barrier. This action reveals that the Wolkenritter are actually programs created by the Book of Darkness, allowing the group to flee the situation successfully.

Signum and Shamal recall their past and the decision to gather mana for Hayate's safety

Signum and Shamal reminisce about the moment they entered Hayate’s service, reflecting on how her affection allowed them to develop genuine emotions. Although Hayate explicitly requested that they refrain from combat, the two mages came to understand that her life remained in danger unless the Book was completed. Consequently, they resolved to set aside her wishes and focus on collecting mana to ensure her survival, prioritizing the necessity of the task over her desire for peace.

Fate and Nanoha confront Signum and Vita while a mysterious man intervenes in their battle.

Fate and Nanoha once again face Signum and Vita, attempting to uncover the reasons behind their actions. During the encounter, a mysterious man shields Vita from an attack launched by Nanoha. He then steps into the conflict between Signum and Fate, successfully stealing Fate's Linker Core and rendering her unable to continue fighting. This intervention shifts the dynamic of the confrontation, leaving Fate incapacitated while the others remain engaged in the struggle to understand the motivations of their opponents.

Hayate's Health Declines as Nanoha and Fate Visit Her in Hospital

Hayate's medical condition deteriorates significantly, leading to her hospitalization after she collapses at her residence. The Time Space Administration Bureau determines that the Book of Darkness will cause Hayate's death once it is fully completed. Through their mutual friend Suzuka, Nanoha and Fate arrange a visit to see Hayate in the hospital. This meeting occurs as the threat posed by the dark tome becomes increasingly apparent to those involved, highlighting the urgency of the situation surrounding Hayate's life and the impending danger she faces.

Chrono researches the Book of Darkness while Nanoha and Fate visit Hayate on Christmas Eve.

Chrono continues his research on the Book of Darkness. On Christmas Eve, Nanoha and Fate give Hayate a surprise visit, and encounter the Wolkenritter in the hospital room, learning of their connection to her. The groups fight that night on the hospital roof, but two masked men intervene, drain the Wolkenritter's Linker cores and summoning Hayate to the roof while disguised as Nanoha and Fate, and kill Vita in front of her to force her to awaken the Book of Darkness.

Hayate consumed by the Book's power while Chrono confronts the Lieze Twins.

Hayate becomes engulfed by the power of the Book. Chrono battles masked men and identifies them as the Lieze Twins, who serve as familiars to Admiral Graham. It is revealed that Admiral Graham orchestrated events so Hayate would complete the Tome of Darkness, intending to use this act to seal both the tome and Hayate away. Meanwhile, Arisa and Suzuka uncover the truth regarding Nanoha and Fate. During this time, Fate is absorbed by the Book of Darkness. The episode details the confrontation with Graham's agents and the tragic fate awaiting Hayate as the Tome nears completion under his manipulation.

Fate Breaks Free From Her Dream and Activates Zanber Blade

Fate escapes a dream of an ideal life with Alicia and Precia, then activates her full drive Zanber Blade. Outside, Nanoha activates her full drive Excellion Mode, risking destruction of Raising Heart. Meanwhile, Hayate reaches out to the Book of Darkness, renaming it Reinforce. She becomes the first person to wake up when the Book of Darkness had been completed. This sequence marks a significant turning point in the conflict, as the characters confront their inner struggles and external threats. The events highlight the power of the drives and the transformation of the Book of Darkness under Hayate's influence.

Hayate Regains Reinforce and Teams with Nanoha to Defeat the Tome of Darkness Program

Hayate successfully reclaims control of Reinforce and brings the Wolkenritter back to life. The Wolkenritter then join forces with Nanoha's team. Together, they face the corrupted defense program originating from the Tome of Darkness. This combined effort aims to defeat the hostile entity threatening their world. The episode focuses on the reunion of Hayate with her devices and the subsequent collaboration between the two groups to neutralize the dangerous corruption.

Reinforce sacrifices herself to stop corruption as Hayate joins TSAB

With the immediate threat neutralized, Reinforce chooses to erase her existence to ensure the corruption never returns. Following this resolution, Hayate and the Wolkenritter officially join the TSAB, while Nanoha reveals her activities as a mage to her family. The narrative then jumps forward six years, showing Nanoha, Fate, and Hayate attending middle school. During this later period, Hayate is accompanied by a second Reinforce. This conclusion marks the end of their initial journey while setting the stage for their future lives and continued magical endeavors.