Chapter Summaries

Key Plot Points and Events

• A mysterious figure, later revealed as Wu Biao, appears in the Matou household's basement, having been summoned by Kariya Matou's Command Seal.
• Wu Biao rescues Sakura Matou from a worm infestation caused by Zouken Matou's experiments, using his Hell Chains and Hellfire to remove the worms from her body.
• Zouken Matou's true body, a worm, is dragged into the vortex and taken away by Wu Biao's powers.
• Wu Biao expresses hunger and asks Kariya Matou to take him to the residence above to find food.

Character Developments

• Kariya Matou: Realizes the true extent of Zouken Matou's experiments on Sakura and himself. Experiences shock and confusion but remains cautious and considerate towards Wu Biao.
• Sakura Matou: Regains some of her vitality and emotion after the worms are removed from her body. Shows relief and joy.
• Zouken Matou: His true body is taken away by Wu Biao, leading to an unknown fate. His plans for Sakura and Kariya are foiled.
• Wu Biao: Demonstrates immense power and a unique appetite, eating a worm from the basement. Shows curiosity and hunger, with no apparent ill will towards Kariya and Sakura.

Significant Themes

• The consequences of Zouken Matou's malicious experiments on Sakura and Kariya.
• The power dynamics between Wu Biao and the Matou family members.
• Wu Biao's unique perspective and behavior, highlighting his otherworldly origins.

Character Interactions

• Kariya Matou and Sakura Matou: Exchange a glance of confusion after Wu Biao's actions. Kariya offers to take Wu Biao to find food, showing gratitude and caution.
• Wu Biao and Zouken Matou: Wu Biao overpowers Zouken Matou, taking his true body and ending his plans for Sakura and Kariya.
• Wu Biao and Kariya Matou/Sakura Matou: Wu Biao shows no hostility towards them, instead expressing hunger and asking for food. Kariya and Sakura are confused but grateful for Wu Biao's help.

Summary of Chapter 666 - "Master Battle, Servant Shouts"

Key Plot Points and Events

• Wu Biao (Brother Biao) arrives at the Matou Family estate and removes the Crest Worms from Kariya and Sakura's bodies.
• Wu Biao describes encountering a mysterious figure with black mist and blood-red eyes (implied to be the Berserker Servant) in the passageway.
• Wu Biao develops Command Spells on his hand, indicating his potential participation in the Holy Grail War.
• Kariya explains the Holy Grail War to Wu Biao, who expresses interest in participating without a Servant.

Character Developments

• Kariya Matou: Realizes the true power of the Holy Grail War and the futility of his own efforts. Feels relief that Wu Biao has unknowingly saved him and Sakura from their fate.
• Sakura Matou: Experiences genuine happiness for the first time in a year, as her grandfather is dead, and she is free from the Crest Worms' torment.
• Wu Biao: Shows curiosity and excitement about the Holy Grail War and the opportunity to fight legendary heroes. Demonstrates his power by removing the Crest Worms and his misunderstanding of the Holy Grail War's mechanics.

Significant Themes

• The power of the Holy Grail and the futility of human efforts in comparison.
• The consequences of Zouken Matou's actions and the relief felt by his victims upon his death.
• Wu Biao's curiosity and excitement about the Holy Grail War, highlighting his unique perspective and lack of understanding about the world he has entered.

Character Interactions

• Wu Biao and Kariya Matou: Wu Biao saves Kariya and Sakura, leading to Kariya explaining the Holy Grail War to him. Their interaction highlights the power imbalance and the shift in dynamics between them.
• Wu Biao and Sakura Matou: Wu Biao shows kindness to Sakura, making her happy and grateful. Their interaction shows a brief moment of warmth and connection between them.
• Wu Biao and the mysterious figure (Berserker): Wu Biao's brief encounter with the Berserker Servant hints at the power dynamics between them and sets the stage for future interactions.

Key Plot Points and Events

• Kariya Matou leaves the city with Sakura Matou, resolving to hide her and live alone.
• Wu Biao stays in the Matou Family estate, with Matou Tsuru providing for his needs.
• Wu Biao discovers additional Command Spells on his Stigmata, a gift from Kariya Matou.

Character Developments

• Sakura Matou feels resentment towards her biological parents and prefers to stay with Kariya.
• Matou Tsuru, the eldest son, takes control of the Matou Family and fears Wu Biao due to his father's death.
• Wu Biao enjoys his new lifestyle with servants and is eager to find powerful beings (Heroic Spirits) to fight.

Significant Themes

• The consequences of Zouken Matou's actions and his legacy.
• The power dynamics and fear between Wu Biao and Matou Tsuru.
• Wu Biao's desire for powerful fights and his curiosity about Heroic Spirits.

Character Interactions

• Kariya Matou and Sakura Matou leave together, with Kariya acting as her guardian.
• Wu Biao interacts with the Matou Family's servants, showing his eccentric and demanding nature.
• Wu Biao and Matou Tsuru have no direct interaction, but Matou Tsuru fears Wu Biao due to his father's death.

Key Plot Points and Events

• Wu Biao attempts to summon a Servant using a faulty understanding of the process.
• He successfully summons Medea, but his misunderstanding of the incantation and mana usage results in a massive explosion.
• The Matou residence is severely damaged, and Medea is left incapacitated at the bottom of the crater.

Character Developments

• Wu Biao demonstrates his immense physical strength and mana manipulation, though his understanding of magecraft is poor.
• Medea, despite being a powerful Heroic Spirit, is overwhelmed by Wu Biao's raw power and suffers a humiliating defeat upon her summoning.

Significant Themes

• The power of raw strength versus skill and knowledge in magecraft.
• The consequences of misunderstanding and misusing powerful forces.

Character Interactions

• Wu Biao and Medea's interaction is minimal due to Wu Biao's incorrect summoning process, but it sets the stage for their future relationship as Master and Servant.
• Wu Biao's lack of understanding and care for the summoning process highlights his reckless and impulsive nature.

Key Plot Points and Events

• Matou Byakuya returns to his estate and witnesses its destruction due to an explosion, leading him to decide not to return.
• Wu Biao, a participant in the Holy Grail War, summons Medea, a Servant, and accidentally attacks her.
• Medea attempts to dissolve her contract with Wu Biao but fails. They later have a meal together.

Character Developments

• Matou Byakuya: Realizes the danger of his family's business and decides not to return to the Matou estate.
• Wu Biao: Shows no concern for his Servant's well-being, treating her casually and continuing with his daily life.
• Medea: Struggles with her low base stats due to Wu Biao's reckless summoning, leading to her frustration and desire to betray him.

Significant Themes

• The danger and consequences of the Matou family's business.
• The power dynamics and communication issues between Masters and Servants in the Holy Grail War.
• Medea's struggle with her low base stats and her desire to betray Wu Biao.

Character Interactions

• Matou Byakuya and his butler: The butler expresses his horror at the estate's destruction and reluctance to return, while Byakuya decides not to return due to the danger.
• Wu Biao and Medea: Wu Biao attacks Medea upon her awakening, leading to her frustration and desire to betray him. Despite this, they have a meal together, showing Wu Biao's lack of concern for her well-being.

Key Plot Points and Events

• Wu Biao summons Medea, seeking her help to participate in the Holy Grail War, but she's disinterested and unwilling.
• Wu Biao reveals he wants to fight Heroic Spirits (servants) personally, not understanding the Master-Servant dynamic.
• Medea senses a servant's presence approaching, and Wu Biao eagerly leaves to confront it, displaying immense power and battle lust.

Character Developments

• Wu Biao: Shows overconfidence in his ability to fight servants, reveals his battle-hungry nature, and demonstrates immense physical strength.
• Medea: Initially disdainful of Wu Biao, she becomes hesitant and fearful when she senses his battle intent, hinting at a hidden fear.

Significant Themes

• The Master-Servant dynamic in the Holy Grail War: Wu Biao's misunderstanding of this dynamic highlights the power imbalance between Masters and Servants.
• Battle lust and its consequences: Wu Biao's eagerness to fight powerful opponents, despite the risks, foreshadows potential dangers and growth.

Character Interactions

• Wu Biao and Medea: Their interaction is filled with disdain (Medea) and overconfidence (Wu Biao), but Medea's fear when sensing Wu Biao's battle intent hints at a potential change in their dynamic.

Key Plot Points and Events

• Saber and Irisviel are on the beach, where they sense an enemy Servant, Lancer.
• Lancer confronts Saber and Irisviel, and they decide to fight.
• Saber's appearance changes to her armor, and Lancer uses Charm magic on Irisviel.

Character Developments

• Saber: Shows her strength and determination as a warrior, ready to fight Lancer.
• Lancer: Reveals his Charm magic and his honorable nature, waiting for a worthy opponent.
• Irisviel: Shows concern for Saber and displeasure at Lancer's Charm magic.

Significant Themes

• Honor and chivalry among Servants.
• The power and danger of Charm magic.
• The importance of choosing a suitable battlefield.

Character Interactions

• Saber and Lancer: They exchange words before their fight, showing mutual respect and understanding of each other's strength.
• Saber and Irisviel: Irisviel shows concern for Saber's safety and displeasure at Lancer's actions.

Key Plot Points and Events

• Kiritsugu Emiya and Maiya Hisau observe the battle between Lancer and Saber from a distance.
• Kiritsugu encounters a mysterious Heroic Spirit who warns him about his sins.
• A powerful, laughing figure crashes into the battlefield, creating a massive crater and interrupting the duel between Lancer and Saber.

Character Developments

• Kiritsugu demonstrates his sharp reflexes and decisive action when confronted by the mysterious Heroic Spirit.
• Saber struggles to land a hit on Lancer, showing her determination and resilience despite the challenge.
• Lancer's taunts reveal his confidence and skill in battle.

Significant Themes

• The power and danger of Servants, as demonstrated by the intense battle between Lancer and Saber.
• The consequences of Kiritsugu's actions, hinted at by the mysterious Heroic Spirit's warning about his sins.
• The unpredictable nature of the Holy Grail War, with the sudden arrival of the laughing figure disrupting the ongoing duel.

Character Interactions

• Kiritsugu and Maiya work together to observe and gather information about the battlefield.
• Saber and Lancer engage in a fierce and intense duel, testing each other's skills and determination.
• Kiritsugu encounters a mysterious Heroic Spirit, who seems to have knowledge of his past actions.

Key Plot Points and Events

• A mysterious Servant, later identified as Berserker, appears and attacks Saber.
• Berserker displays immense strength and durability, taking on multiple Servants at once.
• Rider, the King of Conquerors, joins the battle, revealing his identity.
• Berserker's ability to conceal his Heroic Spirit aura is revealed, making him a formidable threat to Masters.

Character Developments

• Saber: Shows her serious side and determination to protect her honor as a knight.
• Lancer: Struggles against Berserker's onslaught but maintains his composure.
• Rider: Reveals his identity and displays his power but is surprised by Berserker's strength.
• Berserker (Wu Biao): Demonstrates immense strength, durability, and a crazed fighting style, earning him the classification of Berserker.

Significant Themes

• The power and unpredictability of Servants.
• The importance of identity and strategy in the Holy Grail War.
• The threat Berserker poses to Masters due to his ability to conceal his presence.

Character Interactions

• Saber and Lancer: Work together against Berserker, with Saber permitting Lancer to use his Noble Phantasm.
• Rider and Waver: Rider reveals his identity, causing Waver to express his disapproval.
• Berserker and other Servants: Berserker takes on multiple Servants at once, displaying his immense power and durability.
• Tokiomi Tohsaka and Kiritsugu Emiya: Both observe the battle and consider the implications of Berserker's ability to conceal his aura.
• Medea: Observes the battle from a distance, commenting on Berserker's monstrous strength.

Key Plot Points and Events

• The protagonist is out with their family and will be late in updating their blog.
• They assure readers that an update will be posted, no later than 3 AM.

Character Developments

• The protagonist demonstrates responsibility and consideration towards their readers by keeping them informed about the delay.

Significant Themes

• Responsibility: The protagonist feels accountable to their readers and ensures they are kept in the loop.
• Time Management: The protagonist acknowledges the time constraint and provides a clear timeline for the update.

Character Interactions

• The protagonist interacts with their readers indirectly through the blog post, keeping them engaged and informed.

Key Plot Points and Events

• All Servants (except Caster) gather in the Warehouse District, each wary of the others.
• Lancer, under Kayneth's Command Spell, attempts to assassinate Saber but is stopped by Wu Biao.
• Wu Biao decides to fight Lancer first, revealing his low Madness Enhancement level outside of battle.
• Iskandar provokes hidden Servants, leading to the appearance of the golden Heroic Spirit, who claims to be the only true king.

Character Developments

• Lancer: Shows his loyalty to his Master's commands, even when they go against his chivalrous nature.
• Wu Biao/Berserker: Reveals his desire to fight and his low Madness Enhancement level outside of battle. He saves Saber from Lancer's attack.
• Iskandar: Demonstrates his calm and broad-minded nature, but is provoked by the golden Heroic Spirit's arrogance.
• Golden Heroic Spirit: Reveals his extreme arrogance and belief in his own superiority.

Significant Themes

• Loyalty vs. personal beliefs (Lancer's struggle with his Master's command)
• Arrogance and pride (Iskandar and the golden Heroic Spirit)
• The desire for battle and competition (Wu Biao)

Character Interactions

• Lancer and Saber: Lancer's attempted sneak attack on Saber is thwarted by Wu Biao, leading to a tense interaction between them.
• Iskandar and the golden Heroic Spirit: They exchange arrogant remarks, each claiming to be the only true king.
• Wu Biao and the other Servants: Wu Biao's actions and words reveal his unique nature and provoke reactions from the other Servants.

Key Plot Points and Events

• Wu Biao (Berserker) wants to fight but is repeatedly interrupted.
• Gilgamesh (Archer) arrives, and Wu Biao attacks him, demonstrating immense strength and speed.
• Gilgamesh uses his Noble Phantasms, but Wu Biao withstands and counterattacks, injuring Gilgamesh.
• Tokiomi (Saber's Master) uses a Command Spell to recall Gilgamesh, ending the battle.
• Lancer's Master, Waver's lecturer, reveals himself and threatens Waver.
• Iskandar (Rider) and Artoria (Saber) leave the battlefield.
• Wu Biao decides not to fight Artoria and leaves as well.

Character Developments

• Wu Biao: Shows immense strength, speed, and durability, proving himself a formidable opponent. He also displays a desire for battle and a lack of interest in politics or strategy.
• Gilgamesh: Initially underestimates Wu Biao but becomes enraged when injured, revealing his pride and temper.
• Artoria: Protects her Master (Saber) and is ready to fight Wu Biao but ultimately doesn't engage in battle.

Significant Themes

• The desire for battle and combat as the main purpose of the Holy Grail War.
• The pride and dignity of kings, as exemplified by Gilgamesh.
• The use of Command Spells to control Servants.

Character Interactions

• Wu Biao vs. Gilgamesh: A fierce battle ensues, with Wu Biao initially gaining the upper hand but ultimately unable to defeat Gilgamesh due to Tokiomi's intervention.
• Wu Biao vs. Artoria: A standoff occurs, with Wu Biao deciding not to fight Artoria.
• Waver vs. His Lecturer: A tense exchange takes place, with Waver's lecturer threatening him.

Key Plot Points and Events

• Wu Biao returns to the Matou Family residence after the battle.
• Medea, disguised, is already there, waiting for him.
• Medea tries to discuss strategies for the Holy Grail War, but Wu Biao misinterprets her intentions, leading to a series of misunderstandings.
• Wu Biao expresses hunger and decides to go to Fuyuki Town to find food, despite Medea's warnings about the danger.

Character Developments

• Medea: Struggles to communicate with Wu Biao due to his lack of understanding and respect. She's frustrated but determined to win the Holy Grail War.
• Wu Biao: Shows no respect for Medea, treating her like a subordinate rather than a Servant. His primary concern is finding food, demonstrating his single-minded focus on his immediate needs.

Significant Themes

• Communication and understanding between Master and Servant.
• Wu Biao's disregard for Medea's intelligence and capabilities.
• Medea's desire for the Holy Grail and her frustration with Wu Biao's lack of ambition.

Character Interactions

• Wu Biao and Medea: Their interaction is marked by misunderstandings, frustration, and a lack of mutual respect. Wu Biao treats Medea as a subordinate rather than a partner, while Medea struggles to gain Wu Biao's attention and respect.

Key Plot Points and Events

• Irisviel and Saber drive to an Einzbern villa in the mountains.
• They accidentally run over Wu Biao, the "Berserker," on the highway.
• Wu Biao recognizes them and prepares to attack.

Character Developments

• Irisviel shows her reckless side while driving, enjoying the speed and freedom.
• Saber demonstrates concern for Irisviel's safety and readiness to protect her.

Significant Themes

• The dangers and unpredictability of the Holy Grail War.
• The contrast between Irisviel's carefree driving and the seriousness of their mission.

Character Interactions

• Irisviel and Saber work together, with Irisviel driving and Saber providing protection.
• Wu Biao's appearance causes tension and fear, with both women recognizing him as a threat.

Key Plot Points and Events

• Berserker (Wu Biao) appears, hungry and aggressive, meeting Saber and Irisviel.
• Assassin attempts to assassinate Wu Biao but is easily defeated and killed.
• Wu Biao runs off towards Fuyuki City, leaving Saber and Irisviel confused.

Character Developments

• Saber: Maintains her serious and upright demeanor but is visibly irritated by Wu Biao's behavior.
• Irisviel: Shows concern for Saber's safety and is amused by Wu Biao's single-minded focus on his hunger.
• Wu Biao: Demonstrates immense strength and hunger, showing no fear of Assassin and easily defeating him.
• Assassin: Briefly appears, attempting to assassinate Wu Biao but failing, leading to their death.

Significant Themes

• The absurdity and unpredictability of the Holy Grail War, as seen in Wu Biao's behavior and Assassin's failed attempt.
• The power dynamics between Servants, with Wu Biao's strength overshadowing Assassin's stealth and skill.

Character Interactions

• Saber and Irisviel: The two share a tense moment with Wu Biao, with Saber ready to defend Irisviel if needed.
• Wu Biao and Assassin: Their brief encounter ends in Assassin's death, highlighting Wu Biao's immense power and ferocity.
• Wu Biao and Saber/Irisviel: Wu Biao's single-minded focus on his hunger leads to a confusing and surreal encounter with the two, leaving them bewildered.

Key Plot Points and Events

• The chapter begins with Kirei Kotomine and Assassin (Hassan of the Hundred Faces) discussing the death of one of Assassin's personalities and its effect on the main body.
• Wu Biao wakes up to find Medea at his bedside, attempting to obtain his Command Spells.
• Medea offers Wu Biao a Mystic Code lab coat with various enhancement spells attached.

Character Developments

• Kirei Kotomine shows interest in Assassin's peculiar reaction to the death of one of its personalities, hinting at future developments.
• Wu Biao demonstrates his unusual nature by offering all his Command Spells to Medea without hesitation.
• Medea reveals her skill as a mage by creating a powerful Mystic Code for Wu Biao.

Significant Themes

• The consequences of dividing one's soul, as seen in Assassin's multiple personalities.
• The power dynamics between Masters and Servants, and the importance of Command Spells.
• The potential for growth and change in unusual partnerships, such as Wu Biao and Medea.

Character Interactions

• Kirei Kotomine and Assassin discuss the Holy Grail War and Assassin's unique abilities.
• Wu Biao and Medea have a humorous exchange regarding Command Spells and Wu Biao's new Mystic Code lab coat.
• The chapter ends with Wu Biao and Medea's relationship improving, hinting at potential growth in their partnership.

Key Plot Points and Events

• Wu Biao dreams of a blue-haired girl (Medea) boiling a goat in a pot, which reminds the nearby royal daughters of a rumor about their father, the former king, being restored to youth by a witch.
• The next day, the daughters return with sacks of minced meat, asking Medea to restore their aged father to youth.
• Wu Biao wakes up and finds Medea cooking, but he's hesitant to eat her dish due to its appearance. He decides to eat out instead.

Character Developments

• Wu Biao: Shows his foodie nature and reluctance to eat Medea's dish due to its unappetizing appearance.
• Medea: Volunteers to do household chores, including cooking, and becomes upset when Wu Biao refuses to eat her dish.

Significant Themes

• Food and cooking: Medea's cooking skills and Wu Biao's food preferences are central to the chapter.
• Rumors and reality: The rumor about the former king is contrasted with the reality of Medea's actions.

Character Interactions

• Wu Biao and Medea: They have a brief interaction where Wu Biao refuses to eat Medea's dish, upsetting her.
• Wu Biao, Irisviel, and Artoria: They meet on the street, and Artoria is wary of Wu Biao's potential Berserker nature, leading her to suggest they eat elsewhere.

Key Plot Points and Events

• Wu Biao, the Berserker, meets Irisviel and Artoria in the city and attempts to challenge them to a fight, but they refuse due to the presence of ordinary people.
• Kiritsugu and Maiya investigate the Matou Family, discovering that the Matou Manor has been destroyed and that Kariya Matou and Sakura Matou have left for London.
• Kayneth El-Melloi Archibald attacks the Einzbern manor, aiming to return the favor for the destruction of the Caesar Hotel.

Character Developments

• Wu Biao displays unusual behavior for a Berserker, showing concern for ordinary people and displaying a hint of chuunibyou tendencies.
• Artoria Pendragon begins to question Wu Biao's identity as a Berserker due to his unusual behavior.
• Kiritsugu Emiya continues his investigation into the Holy Grail War, gathering information about the Matou Family and the mysterious blue-haired woman.
• Kayneth El-Melloi Archibald is driven mad by the destruction of his preparations and seeks revenge on Kiritsugu.

Significant Themes

• The unpredictability of the Holy Grail War and its participants.
• The consequences of underestimating one's opponents.
• The importance of gathering accurate information in the Holy Grail War.

Character Interactions

• Wu Biao interacts with Irisviel and Artoria, attempting to challenge them to a fight but ultimately being rebuffed.
• Kiritsugu and Maiya work together to investigate the Matou Family.
• Kayneth El-Melloi Archibald confronts Kiritsugu at the Einzbern manor, seeking revenge for the destruction of his preparations.

Key Plot Points and Events

• Wu Biao, a Hell Agent, arrives at a house filled with gruesome decorations and encounters the unconscious little girl, Sakura.
• Wu Biao meets Iskandar, who witnessed Wu Biao's actions and is intrigued by his unusual behavior for a Berserker.
• Iskandar reveals that Saber and Lancer's true identities were exposed in their recent battle, and he plans to hold a Banquet of Kings.

Character Developments

• Wu Biao shows no remorse for his actions and seems to have a unique perspective on life, focusing on fighting, eating, and sleeping.
• Wu Biao's past as a Hell Agent is hinted at, suggesting he has a history of dealing with sinners and has become desensitized to their actions.
• Iskandar shows curiosity and interest in Wu Biao's unusual behavior and extends an invitation for him to join his ranks.

Significant Themes

• The theme of desensitization to violence and death is explored through Wu Biao's character and his history as a Hell Agent.
• The concept of the "Banquet of Kings" suggests a gathering of powerful figures, foreshadowing future events in the Holy Grail War.

Character Interactions

• Wu Biao and Iskandar have a brief but intense interaction, with Wu Biao showing eagerness to fight and Iskandar expressing curiosity about Wu Biao's unusual behavior.
• Wu Biao's interaction with Sakura is brief but shows no concern for her well-being, reflecting his desensitization to the suffering of others.

Plot Points and Events

• Irisviel reflects on the previous night's battle and Kiritsugu's reckless pursuit of Lancer's Master.
• Rider (Iskandar) arrives at the Einzbern Villa, causing destruction on his way in.
• The King of Knights (Saber) and Rider have a tense encounter, but Rider reveals he wants a "banquet of kings" to determine worth before fighting.
• Archer arrives, joining the banquet, and brings high-quality wine.
• Berserker (Wu Biao) arrives with a massive amount of food, causing tension and mocking the other kings.

Character Developments

• Irisviel shows concern for Saber and disapproval of Kiritsugu's actions.
• Saber understands Rider's intention for the banquet and accepts the challenge.
• Rider (Iskandar) shows his desire for a fair contest and respect for other kings.
• Archer reveals his disdain for the other kings but acknowledges them as equals in this contest.
• Berserker (Wu Biao) displays his brash and disrespectful nature, angering the other kings.

Significant Themes

• The concept of "worth" and what it means to be a "king."
• Respect and disrespect among the Servants.
• The contrast between Rider's chivalry and the other Servants' attitudes.

Character Interactions

• Saber and Rider (Iskandar) have a tense yet respectful interaction, leading to the banquet idea.
• Archer joins the banquet, adding tension and disdain toward the other kings.
• Berserker (Wu Biao) arrives, causing anger and disrespect, further escalating the tension.