Uchiha Sou

Biodata

Feature	Detail
Name	Uchiha Sou 1
Clan	Uchiha Clan 1
Family	Uchiha Nobutada, also called Uchiha Nobui (father) 1 55 59 172
Rank	Jonin 80
Affiliation	Konohagakure (Leaf Village) 1
Occupation	Clan Head (Uchiha Clan) 94 97 99, Anbu Department Head 114, Special Assistant and Advisor to the Hokage (acting Hokage) 133 134 159
Team	Team 6 (leader) 2
Notable Skills/Abilities	Sharingan (Three Tomoe) 1 15 16, Mangekyo Sharingan 51 80, Eternal Mangekyo Sharingan 159, Rinnegan 168, Rinne Sharingan 180, Taijutsu (advanced, A-rank) 97 98 100, Sage Mode (activated using Ryūmyaku chakra) 134, Rinnegan Chakra Mode 180 188, Particle Style 170, Yin-Yang Release 173 180, Space-Time Ninjutsu 157 162 173, Complete Body Susanoo 161
Known Associates	Orochimaru (former superior, ally) 1 2 59 109 133 147, Shisui Uchiha (squad member, admirer) 47 97 98, Uchiha Katsuhiko (squad member) 97 98, Uchiha Masaki (squad member) 97 98, Kakuzu (captured, potential recruit) 98 99 147, Jiraiya (exchanges notes on Sage Mode) 134, Senju Hashirama and Senju Tobirama (allies and collaborators) 159 163 186, Tsunade (professional ally) 154 164, Terumi Mei (Anbu ally and collaborator) 133 186
Reputation	Genius within the Uchiha clan 100, formidable combatant and strategist 98 141, caused Kirigakure's defeat in war by organizing civilian revolts behind enemy lines 100 177, compared to Uchiha Madara in Taijutsu by Kakuzu 98, regarded as Konoha's rising star by other villages 141, considered a person one step from becoming an Otsutsuki by Isshiki 186
Key Achievements	Defeated Uchiha Fugaku and became clan head 94, wiped out the Kaguya Clan 133, weakened Genji's faction in Kirigakure 133, infiltrated Iwagakure and defeated Kitsuchi 147, captured Terumi Mei 106 118, successfully activated Sage Mode 134, awakened the Rinnegan 168, defeated Jigen/Isshiki's manifestation and forced it to retreat 188, received Six Paths chakra from Hagoromo and achieved a further breakthrough 191, defeated and spared Uchiha Madara 216
Ambitions/Goals	Eliminate war by unifying all ninja villages 97, change the Uchiha clan's environment 59, become Hokage (supported by Orochimaru) 59, unite the Uchiha and Senju clans 164, research Kekkei Mōra and Senjutsu 133, reach the level of an Otsutsuki 186, oppose hostile Otsutsuki 192
Personality Traits	Mature 80, calm 80, politically astute 80, strategic thinker 94 97 59, determined 1 55, ambitious 59, pragmatic 117, ruthless when necessary 135, aloof in Sage Mode 134
Notable Relationships	Strained relationship with father Uchiha Nobutada/Nobui 1 55 59, cooperation with Uchiha Fugaku after becoming clan head 97, strong relationship with Orochimaru 133, receives support from Hamura Otsutsuki for his Uchiha-Senju unification ideal 164, receives guidance from Hagoromo Otsutsuki 191

Appearance

Uchiha Sou's appearance undergoes several notable changes throughout his development, reflecting his increasing power and the unique abilities he acquires. When he activates Sage Mode using Ryūmyaku chakra, his temperament shifts, making him appear more handsome and aloof 134. While in Sage Mode, his skin becomes fairer, though not to the extent of Orochimaru or White Zetsu, described as “fair and tender” 134. His eyes do not develop snake-like pupils due to his Sharingan 134.

His physical body consistently improves through training, Senju Hashirama-cell integration, and bodily modifications. His speed and strength see regular enhancements as he progresses 135 180. Following his later ocular and bloodline advancements, his bones audibly crack when he clenches his fist and his blood boils, indicating a further bloodline metamorphosis 180.

Specific details of Uchiha Sou's appearance include:

• Eyes:
  • He possesses the Sharingan, which he can activate to three tomoe 15.
  • He awakens the Mangekyo Sharingan and develops powerful ocular techniques, including spatial distortion and later Infinite Slash 49 163.
  • His Mangekyo use nearly causes blindness, but he develops slow ocular recovery and retains Uchiha Fugaku's eyes as a reserve 118 125.
  • His Mangekyo later evolves into the Eternal Mangekyo Sharingan 159.
  • He awakens the Rinnegan after the fusion of Indra and Asura's powers, receiving comprehensive improvements to coordination, chakra control, and chakra-nature perception 164 168 170.
  • He gains the Rinne Sharingan by fusing his Sharingan and Rinnegan, allowing him to switch between ocular states 180.
  • He absorbs the Tenseigan's power, which spreads through his body and further contributes to his development 163.
• Chakra Modes:
  • He can enter Sage Mode, which enhances his speed, strength, and sensory perception 134.
  • He can activate Rinnegan Chakra Mode, a form comparable in concept to Tenseigan Chakra Mode 180.
  • In battle against Isshiki, his Rinnegan Chakra Mode elevates him to Six Paths-level power 188.
• Physicality:
  • His taijutsu skills are formidable enough for Kakuzu to compare his fighting style to Uchiha Madara's 98.
  • He is noted for exceptional speed even before activating Sage Mode 27 134.
  • His enhanced physiology and Six Paths-derived chakra permit him to contend directly with Otsutsuki opponents 188 204.
• Equipment:
  • He wields a moderately sized straight blade with strong chakra affinity, which can be coated in Lightning Style chakra 98.
  • He can form a Ninja Blade from a Truth-Seeking Orb 204.

Personality

Uchiha Sou is characterized by a complex blend of ambition, strategic acumen, and pragmatism. He demonstrates a strong drive for self-improvement, constantly assessing his skills and seeking opportunities for growth, even recognizing weaknesses such as his Taijutsu and actively correcting them 16. His ambition extends beyond personal power; he envisions unifying the ninja villages and ending warfare, while later expanding this ideal to reconciliation between the Uchiha and Senju clans 97 164.

Despite his youth, he exhibits maturity and a deep understanding of Konoha's political landscape, accepting his duties with professionalism and responsibility 2. He is cautious of manipulative figures, especially Orochimaru, yet is capable of using manipulation himself when it advances his plans 40 117. Sou often uses ambiguity to protect his secrets and intentions 53.

He is not above ruthlessness when he considers it necessary, such as using Terumi Mei as a scapegoat, eliminating political threats within Konoha, and humiliating Uchiha Madara to redirect his resentment 117 135 216. Nevertheless, he displays concern for his team, the Uchiha clan, the orphanage children, and the wider stability of the Shinobi World 4 97 154. His willingness to spare defeated enemies when they may contribute to future peace—including the surviving moon Otsutsuki and Madara—demonstrates that his pragmatism is not simply cruelty 164 216.

• Ambitious: Sou seeks power, influence, and knowledge for both himself and the Uchiha clan. He researches Senjutsu, Particle Style, Kekkei Mōra, and the powers needed to oppose Otsutsuki 117 170 192.
• Strategic and Intelligent: He analyzes complex situations, deduces chakra-fusion ratios, collects intelligence, and makes long-term plans in stages 100 147 170.
• Pragmatic and Ruthless: Sou is willing to employ deception, coercion, and targeted violence to achieve strategic objectives 117 135 216.
• Self-Aware and Driven by Improvement: He consistently evaluates his own deficiencies and pursues new methods to improve 1 16 95.
• Cautious and Guarded: He protects his secrets even from allies and is wary of the motives of Orochimaru, Obito, and other powerful figures 40 53 147.
• Respected Leader: He earns the loyalty of Uchiha subordinates, Anbu personnel, and powerful allies through strength, competence, and results 73 98 114 127.
• Determined: He remains resolute against threats ranging from Konoha's internal factions to Otsutsuki invaders 1 188 191.
• Visionary: He rejects the inherited hostility of Indra and Asura's descendants and seeks to create a peaceful era through Uchiha-Senju cooperation and broader shinobi unity 164.

Background

Uchiha Sou was originally a resident of Earth before transmigrating into the shinobi world as an Uchiha 1. His early life was shaped by a harsh upbringing under his father, Uchiha Nobutada, an old-school Uchiha who adhered to traditional clan education methods. Nobutada, who possessed the Sharingan, often used physical training to instill discipline and improve Sou's physical intuition, believing in “spiritual sublimation through physical means” 1. Despite their strained relationship, Nobutada was dedicated to Sou's education, correcting his shortcomings daily and requiring him to read Uchiha clan books so that he would uphold the clan's prestige 1.

Sou's natural talent was evident early. He excelled in practical academy combat courses, with grades second only to Hatake Kakashi's, while remaining more socially approachable than Kakashi and comforting classmates such as Might Guy 3 100. His classmates included Kakashi and Uchiha Obito, whose eventual canonical fates made Sou apprehensive about the future 1.

During the war, Sou was deployed to the Land of Whirlpools against Kirigakure. Orochimaru, then Konoha's commander on that front, treated him favorably because of his Sharingan and assigned him relatively less dangerous missions 1. Sou's battlefield capabilities rapidly became apparent: he defeated Mist ninja, developed a unique combat style, formed a resistance organization behind enemy lines, and helped force Kirigakure into retreat 40 47 100. He ultimately annihilated the Seven Ninja Swordsmen of the Mist, leaving Juzo Biwa alive and imprisoned 51 52.

His accomplishments brought both acclaim and suspicion. His father and clan elders recognized his potential, while Sarutobi Hiruzen promoted him to Jonin but remained wary of his likely Mangekyo Sharingan and Orochimaru's influence 55 80. Orochimaru, meanwhile, began supporting Sou's political ambitions, encouraging him to reform the Uchiha clan and potentially become Hokage 59.

Sou's influence inside the Uchiha clan grew through his relationship with Shisui and his alliance with Uchiha Setsuna. He defeated Fugaku, took Fugaku's eyes, and became clan head, while preserving enough cooperation to ensure a stable transition 73 94 97. Under his leadership, the clan became increasingly restrained and focused on becoming worthy of pride rather than relying on inherited privilege 172.

As Konoha's acting Hokage and Anbu Department Head, Sou broadened his influence beyond the clan. He eliminated the Kaguya Clan, weakened Genji's Kirigakure faction, recruited Kimimaro, and brought Terumi Mei into Konoha's Anbu 133. He pursued Ryūmyaku chakra and Sage Mode, conducted physical and bloodline research, infiltrated Iwagakure to obtain Particle Style information, and developed increasingly advanced ocular and chakra-based powers 117 134 147 170.

His later development brought him into conflict with moon-based Otsutsuki, Jigen/Isshiki, Momoshiki, Kinshiki, and Uchiha Madara. He absorbed Tenseigan power, obtained Hamura's support for fusing Indra and Asura's power, awakened the Rinnegan, and later received chakra directly from Hagoromo Otsutsuki 163 164 168 191. Rather than abandoning his original vision, Sou continued to view this power as a means to unify the Shinobi World and resist the Otsutsuki threat 192 216.

Power Progression

Sharingan

Uchiha Sou's primary power progression begins with the Sharingan, which he awakens early in his ninja career. Initially, he possesses a three-tomoe Sharingan, which he uses to predict enemy movements and enhance his combat abilities 14 15. The Sharingan provides him with superior perception, allowing him to discern subtle movements and react with precision 47. As he continues to train and engage in battle, his Sharingan reaches Level 8 and later Level 9 152 157. The Sharingan's Yin Release power is a critical component of his development, though it is difficult to control 78.

Advancement	Details
Three-Tomoe Sharingan	Allows prediction of enemy movements, enhanced reaction speed, and improved combat skills 15
Perception and Analysis	Enables Sou to perceive movements with extreme clarity and precision, aiding in evasion and strategic combat 47 49
Dojutsu Growth	His Sharingan reaches Level 8 through training and Tailed Beast chakra resonance, then Level 9 after breakthroughs in Susanoo and Space-Time Ninjutsu 152 157
Chakra Control	Improves physical coordination and self-chakra control, beneficial for both offense and assistance 170
Yin Release	The ultimate Yin Release originating from the Sharingan is powerful but difficult to control 78

Mangekyo Sharingan

Uchiha Sou awakens his Mangekyo Sharingan, significantly enhancing his visual prowess and granting him new abilities, including space distortion 49 51. He gains a better understanding of its capabilities and chakra consumption through practical combat 49 51. The Mangekyo's abilities consume considerable chakra and strain his ocular power, leading him to investigate White Zetsu cells and Senju Hashirama's cells as countermeasures 95.

Advancement	Details
Space Distortion	Alters the trajectory of incoming attacks and allows tactical evasion with relatively low chakra expenditure 49 150
Yomotsu-Hirasaka and Ame-no-Iwato	Uses Mangekyo techniques in the battle against the Seven Ninja Swordsmen 51
Ocular Recovery	Develops a slow recovery ability that mitigates the danger of blindness; he also keeps Fugaku's eyes as an emergency reserve 118 125
Eternal Mangekyo Sharingan	Evolves into a more stable and powerful Mangekyo form 159
Infinite Slash	A space-cutting technique that causes large-scale spatial collapse 163
Amaterasu: Samsara	A powerful ocular technique used to push Isshiki to retreat through a spatial passage 188

Susanoo

With the Mangekyo Sharingan, Uchiha Sou gains access to Susanoo, a colossal chakra-based humanoid avatar 95. He continuously improves it through control training, Senjutsu, Tailed Beast chakra, and his own growing ocular power.

Advancement	Details
Third Stage Susanoo	Offers formidable offense and defense, though initially lacks mobility 135 144
Senjutsu-Enhanced Susanoo	Combining Susanoo with Senjutsu drastically increases destructive power, approaching Uchiha Madara's fifth-stage Susanoo 144
Three-Tails Chakra Absorption	Creates resonance and homogenization with Susanoo, improving its power and stimulating ocular proficiency 152
Fourth Stage Susanoo	Achieved after the battle with Shinnō, alongside improvements in Space-Time Ninjutsu 157
Complete Body Susanoo	Used against moon Otsutsuki, including Otsutsuki Koichi and the Otsutsuki Elder 161
Nine-Tails Chakra Absorption	Adds Nine-Tails chakra to Susanoo, increasing its size and power 165
Half-Ultimate Development	Natural-energy-linked chakra drives the Complete Body Susanoo toward a more human form with reinforced armor and further increases Sou's own power 211

Sage Mode

Uchiha Sou actively pursues Senjutsu by investigating Ryūmyaku chakra in the Land of Wind. He discovers that Ryūmyaku chakra can interact with natural energy, seeks Orochimaru's assistance, and gains access to Ryūchi Cave's summoning scroll 117. He successfully activates Sage Mode, greatly strengthening his body and sensory abilities 134.

Advancement	Details
Ryūmyaku Chakra Absorption	Enables interaction with natural energy and provides the basis for Senjutsu 117
Sage Mode Activation	Enhances speed, strength, and sensory perception; also changes his demeanor and complexion 134
Senjutsu Proficiency	Rapidly reaches Level 2, producing substantial gains when used with Susanoo 144
Six Paths Senjutsu Understanding	Hagoromo's chakra and guidance allow Sou to understand the true meaning of chakra and natural Senjutsu more deeply 191
Anti-Otsutsuki Application	Sou identifies Senjutsu, together with Yin-Yang Release, as a type of power able to harm Otsutsuki effectively 192

Rinnegan

Uchiha Sou pursues the Rinnegan through the fusion of Indra and Asura's powers. With Hamura Otsutsuki's assistance, he senses its gestation after fusing those powers more completely 164. After a ten-day coma, he awakens the Rinnegan and gains sweeping improvements to chakra perception and control 168.

Advancement	Details
Rinnegan Gestation	Hamura helps Sou more completely fuse Indra and Asura's powers, allowing him to sense the Rinnegan forming 164
Rinnegan Awakening	Awakens after a prolonged coma and gains new abilities and comprehensive physical improvements 168
Comprehensive Enhancement	Improves physical coordination, chakra control, and the efficiency of techniques 170
Natural Chakra Nature Acquisition	Changes chakra perception enough to facilitate the natural acquisition of additional chakra natures 168
Particle Style Facilitation	Allows smoother fusion of three chakra attributes, enabling Particle Style's awakening 170
Level 3 Rinnegan	Reaches Level 3; further upgrades require Kekkei Mōra fusion and completion 180
Kekkei Mōra Trigger Requirement	At 99% fusion compatibility, Sou discovers he must further enhance the Rinnegan to trigger the bloodline 186

Rinne Sharingan and Rinnegan Chakra Mode

Uchiha Sou gains the ability to obtain his own Rinne Sharingan by fusing his Sharingan with the Rinnegan, bypassing the need to consume the God Tree fruit 180. This dojutsu can replace the Rinnegan and be switched back to the Sharingan 180.

Advancement	Details
Rinne Sharingan	Inherits characteristics of both Sharingan and Rinnegan and can be switched with his Sharingan 180
Rinnegan Chakra Mode	A chakra mode comparable in concept to Tenseigan Chakra Mode, granting dramatic increases in strength, speed, and combat ability 180
Six Paths-Level Power	Rinnegan Chakra Mode allows Sou to meet Jigen/Isshiki's second-stage Karma at Six Paths level 188
Hagoromo's Chakra	The Sage of Six Paths injects chakra into Sou, enabling a further fusion breakthrough and a deeper understanding of chakra 191

Kekkei Mōra and Particle Style

Uchiha Sou actively researches Kekkei Mōra and chakra fusion. Using the Rinnegan to deduce Particle Style's chakra ratio, he successfully awakens the technique and causes a massive explosion 170. He later develops a Kekkei Mōra framework that can import and fuse multiple bloodline powers 180.

Advancement	Details
Particle Style	An SS-rank Kekkei Mōra fusing three chakra attributes, capable of immense destructive output 170
Scorch Release	A Kekkei Genkai developed by Sou, reaching Level 2 147 180
Yin-Yang Release	A secret technique mastered to Level 1 and described as a defining characteristic of his power 173 180
Kekkei Mōra Framework	Imports and fuses techniques and powers; reaches 80% fusion compatibility 170 180
Water Style Kekkei Genkai Research	Seeks Senju Hashirama, Tobirama, and Terumi Mei's assistance to develop a Water Style-based Kekkei Genkai 186
99% Compatibility	Learns that a final Rinnegan enhancement is needed to activate the completed Kekkei Mōra bloodline 186

Space-Time Ninjutsu and Six Paths Techniques

Sou develops unique space-time abilities beyond ordinary teleportation, using them for attack, defense, and battlefield control.

Advancement	Details
Space-Time Ninjutsu Breakthrough	Achieves a major breakthrough after the Shinnō battle 157
Superiority to Flying Thunder God	Senju Tobirama judges Sou's spatial utilization to be beyond his own Flying Thunder God technique 162
Infinite Slash	Uses spatial severance to collapse space on a massive scale against the moon Otsutsuki 163
Time-Stopping Power	Uses a time-stopping ability to punish Uchiha Madara and reveal the truth of the Stone Tablet 216
Truth-Seeking Orb Manipulation	Forms a Ninja Blade from a Truth-Seeking Orb and uses it in battle against Momoshiki 204
Layered Spatial Severance	Impresses Momoshiki by severing and transforming space layer by layer to create unconventional attacks 204

Relationships

Orochimaru

Uchiha Sou's relationship with Orochimaru evolves from a commander-subordinate dynamic into one of mutual respect, trust, and strategic alliance 1 2 133 138. Orochimaru initially favors Sou due to his Sharingan and assigns him less dangerous missions on the Land of Whirlpools front 1. After witnessing Sou's actions behind enemy lines and the annihilation of the Seven Ninja Swordsmen, Orochimaru recognizes his extraordinary potential 40 52 53.

Orochimaru supports Sou's political advancement, Senjutsu research, and eventual acting-Hokage role. He supplies resources for Ryūmyaku-based Senjutsu practice, provides the Ryūchi Cave summoning scroll, and treats Sou as an equal collaborator rather than a mere subordinate 117 127 133. Their alliance remains based on shared interests, mutual respect, and the pursuit of power and knowledge 147 173.

Terumi Mei

Terumi Mei's relationship with Uchiha Sou begins with her capture and manipulation during his operations against Kirigakure 106 117 118. Sou later offers her a new life in Konoha, which she accepts by joining the Anbu 133. Their interaction develops into a more comfortable and playful dynamic, with Mei showing concern for Sou's emotional state 169.

She later becomes a valued collaborator in Sou's research into a Water Style-based Kekkei Genkai, and she appreciates his recognition of her abilities 186.

Senju Hashirama and Senju Tobirama

Sou works closely with the reincarnated Senju brothers after involving them in his broader plans for Konoha and the Shinobi World 159. Hashirama is receptive to Sou's status as an Uchiha acting Hokage, considering it a realization of his old hope that Madara might have held the position 159. He directly assists Sou against the Otsutsuki Elder on the moon, combining Wood Release with Sou's Susanoo and spatial techniques 163.

Tobirama is initially distrustful, but Sou's conduct, spatial abilities, and commitment to Konoha eventually earn his respect 162. Both brothers later assist him with new Kekkei Genkai research and efforts to confront Otsutsuki threats 186 204.

Hagoromo Otsutsuki

Hagoromo intervenes when Sou's clash with Isshiki risks causing further destruction 191. Recognizing Sou's talent and potential, he injects his chakra into Sou and guides him through a breakthrough in his consciousness space 191. Sou gains a deeper understanding of chakra and natural Senjutsu through this encounter 191.

Hamura Otsutsuki

Sou meets Hamura on the moon after the conflict with Hamura's descendants 164. Hamura recognizes the value of Sou's goal to reconcile the Uchiha and Senju, supports this vision, and helps Sou fuse the powers of Indra and Asura more completely 164. This assistance directly leads to Sou sensing the Rinnegan's gestation 164.

Uchiha Madara

Madara regards Sou as an unusually capable Uchiha who obtained the Mangekyo through his own will, integrated Hashirama's cells, and developed bizarre space-time ocular abilities 176. Sou later defeats Madara, uses time-stopping power to expose the truth of Hagoromo and the Uchiha Stone Tablet, and deliberately humiliates him rather than killing him 216. He spares Madara because he considers him potentially useful in unifying the Shinobi World and confronting the Otsutsuki 216.

Shisui Uchiha

Shisui and Uchiha Sou share a close bond defined by trust and loyalty. Shisui admires Sou as a senior and older-brother figure, recognizing the vast gap in their strength and perspective 47. Sou entrusts him with sensitive missions and political information, while Shisui accepts his leadership 56 97 98.

Sou also helps improve Shisui's eyes, allowing increasingly unrestricted use of Mangekyo abilities. By the moon mission, Shisui's eyes have nearly reached Eternal Mangekyo level 126 135 160.

Uchiha Nobutada

Uchiha Sou's relationship with his father, Uchiha Nobutada—also referred to as Uchiha Nobui—is marked by a harsh upbringing and strained affection. Nobutada's physical training and strict education were intended to prepare Sou as a traditional Uchiha ninja 1. Though troubled by Sou's ambitions, Nobui eventually accepts his authority as clan head and becomes increasingly cautious in his own conduct because of Sou's influence 59 94 172.

Uchiha Fugaku

Sou becomes clan head after defeating Fugaku and taking his eyes 94. Although Sou holds Fugaku accountable, he agrees to cooperate with him during the transition in order to preserve stability within the clan 94 97.

Tsunade

Initially skeptical of Sou's intentions, Tsunade develops professional respect for him after witnessing his research and working with him on the orphanage, Medical Department, and Senju-cell-related matters 154. She helps care for him after Hamura's fusion process, and their discussions occasionally carry playful undertones concerning marriage and potential partners 164. Sou values her medical expertise and later involves her in preparations against Otsutsuki threats 170 192.

Namikaze Minato

Sou and Minato maintain a harmonious working relationship. Following Sou's promotion to Special Assistant and Advisor to the Hokage, Minato becomes exceptionally diligent and assists with administrative coordination 133 135. Sou also intends to reconcile Minato and Obito 169.

Yakushi Nonō

Sou demonstrates empathy toward Nonō's concerns for the orphanage children. They compromise on the orphanage's future, and Nonō later joins the Medical Department while Kabuto studies there under Sou's arrangements 154 158.

Obito Uchiha

Sou acts as a guide to Obito, helping him address his feelings for Rin and his desire to atone for past actions 169. Their relationship was merely decent in youth, but Sou's growing reputation eventually draws Obito's attention 100 116. Although their goals differ, they maintain communication and sometimes cooperate through intelligence exchanges 152.

Rin (disguised as Natsue)

Sou shows a protective and caring side toward Rin while recognizing her feelings for Obito 169. Rin trusts Sou despite her disguise as Natsue, and their relationship remains close and complex 169.

Kurenai

Kurenai develops feelings for Sou but is hesitant to state them openly. Sou is aware of her feelings and behaves more casually around her 169. They go on a date and discuss their past as well as Kakashi's condition 118.

Kakuzu

Kakuzu initially attempts to assassinate Sou on the Third Tsuchikage's orders 98. After Sou defeats and captures him, Kakuzu compares Sou's Taijutsu to Uchiha Madara's 98. He later becomes a source of intelligence and agrees to keep Sou's identity secret during the Iwagakure operation 147.

Uchiha Setsuna

Elder Uchiha Setsuna recognizes Sou's extraordinary potential and ultimately supports his effort to reform the clan 73. He assigns Katsuhiko, Masaki, and other Uchiha to Sou's command, while asking him to limit unnecessary bloodshed 73. Under Sou's leadership, Setsuna helps rectify the clan and enforce a more restrained culture 172.

Uchiha Katsuhiko and Uchiha Masaki

Katsuhiko and Masaki initially challenge Sou but are decisively defeated and later accept their roles as his subordinates 73. They train with him and respect his A-rank Taijutsu abilities 97 98.

Notable Achievements

• Became Clan Head: Defeated Uchiha Fugaku, took his eyes, and assumed leadership of the Uchiha clan while preserving a stable transition 94 97.
• Annihilated Seven Ninja Swordsmen of the Mist: Eliminated the Seven Ninja Swordsmen, leaving only Juzo Biwa alive and imprisoned 51 52.
• Forced Kirigakure into Retreat: Organized a resistance movement behind enemy lines, contributing decisively to Kirigakure's wartime defeat 100 177.
• Defeated Kakuzu: Captured Kakuzu after an assassination ambush and earned comparison to Uchiha Madara in Taijutsu 98.
• Became Acting Hokage: Promoted to Special Assistant and Advisor to the Hokage, effectively holding acting-Hokage authority 133 159.
• Completed Kirigakure Operations: Wiped out the Kaguya Clan, weakened Genji's faction, and brought Kimimaro to Konoha 133.
• Activated Sage Mode: Successfully used Ryūmyaku chakra to enter Sage Mode and later greatly improved his Senjutsu 134 144.
• Infiltrated Iwagakure: Defeated Kitsuchi, acquired valuable intelligence and scrolls, and studied Particle Style 147.
• Awakened Particle Style: Deduced its fusion ratio with the Rinnegan and successfully awakened the SS-rank Kekkei Mōra 170.
• Developed Space-Time Ninjutsu: Achieved spatial techniques judged by Tobirama to surpass Flying Thunder God in practical spatial utilization 157 162.
• Advanced Susanoo: Progressed from third stage to fourth stage, Complete Body Susanoo, and the beginnings of a half-ultimate form 135 157 161 211.
• Awakened the Rinnegan: Fused Indra and Asura's powers with Hamura's assistance and later fully awakened the Rinnegan 164 168.
• Acquired Tenseigan Power: Absorbed the Tenseigan's power while battling the Otsutsuki Elder 163.
• Achieved Rinnegan Chakra Mode: Upgraded his Rinnegan and Rinne Sharingan, obtaining a Six Paths-level chakra mode 180 188.
• Fought Isshiki: Tested Jigen/Isshiki's strength, used Amaterasu: Samsara, and forced Isshiki to escape through a spatial passage 188.
• Received Hagoromo's Aid: Received Six Paths chakra from the Sage of Six Paths and achieved a breakthrough in his understanding of chakra and natural Senjutsu 191.
• Formulated Anti-Otsutsuki Strategy: Identified Yin-Yang Release and Senjutsu as essential powers against Otsutsuki and coordinated allies around that knowledge 192 204.
• Defeated and Spared Madara: Used time-stopping power to defeat and humiliate Uchiha Madara, exposed the Stone Tablet's truth, and spared him for future strategic use 216.
• Influenced Uchiha Clan Reform: Guided the clan toward a restrained culture centered on making the clan worthy of pride 172.

Quotes

"Especially since you are an Uchiha genius; this is your advantage, but at times, it will also be your disadvantage."
Orochimaru to Uchiha Sou, regarding the complex political environment in Konoha and the precarious position of the Uchiha clan 2.

"I hope you truly understand, rather than pretending to know when you don't."
Orochimaru to Uchiha Sou, after Uchiha Sou's helpless agreement to his cryptic warnings 2.

"This is your next mission. It won't be easy, and I certainly don't want a child as excellent as you to not make it back."
Orochimaru to Uchiha Sou, while handing him a mission scroll 2.

"But I have the Sharingan!"
Uchiha Sou, reaffirming his confidence during his battle with Kirigakure ninja 15.

"You must know that the power of the Uchiha stems from our eyes, and as ninjas, who doesn't have a few secrets?"
Uchiha Sou to Orochimaru, deflecting questions about his hidden power 53.

"Sou-kun truly continues to surprise me."
Orochimaru to Uchiha Sou, after Uchiha Sou responds ambiguously to questions about his strength 53.

"Sou-kun, you are truly the number one genius of the Uchiha. I don't think anyone within the Uchiha can compare to you."
Orochimaru to Uchiha Sou, praising his achievements 53.

"And I sincerely feel that the Uchiha should be in the hands of a genius like you!"
Orochimaru to Uchiha Sou, expressing his belief that Sou should lead the clan 53.

"Don't be surprised by what I'm saying now. I learned a lot during three years of war, saw through many things, and at the same time, came to understand many things."
Uchiha Sou to Uchiha Nobutada, explaining his understanding of the clan's situation 59.

"I know the current situation of the clan, and I know the relationship between the clan and the village. Even if Orochimaru hadn't told me, I could have figured this out myself."
Uchiha Sou to Uchiha Nobutada 59.

"My thoughts are actually very simple—they have been simple from the very beginning."
Uchiha Sou to Hamura Otsutsuki, introducing his ideal of reconciling the Uchiha and Senju 164.

"I only know that the Uchiha and the Senju share the same origin, so what I hope for is that, through my changes, both clans can be transformed."
Uchiha Sou to Hamura Otsutsuki 164.

"Since Indra and Asura were brothers, and the bloodlines of the Senju and Uchiha both originate from them—and from the Sage of Six Paths—then why can I not allow both of these powers to manifest within my own body?"
Uchiha Sou to Hamura Otsutsuki 164.

"I can't keep being this passive. I have to seize the initiative again."
Uchiha Sou, resolving to confront Isshiki proactively 188.

"Based on my research, while Otsutsuki power is formidable, ordinary chakra cannot inflict any substantial harm upon them."
Uchiha Sou, briefing allies on the Otsutsuki threat 192.

"One is Yin–Yang Release, and the other is Senjutsu."
Uchiha Sou, identifying the powers capable of effectively opposing Otsutsuki 192.