Theodore Miller

Theodore Miller is the central magician of The Book Eating Magician. Once unable to graduate from Bergen Academy because of exceptionally poor mana sensitivity, he becomes the contractor of the grimoire Gluttony, builds the absorbed knowledge into a fighting style of his own, and ultimately chooses an imperfect human life over the pursuit of omnipotence.

Biography

The long-time dunce and the greedy grimoire

Theodore begins as the eldest son of an impoverished, fallen noble family and Bergen Academy's only three-time repeater. His theoretical scores are nearly perfect, but low mana capacity and sensitivity leave him trapped at the 2nd Circle despite five years of study, lost sleep, and relentless practice. Facing expulsion and believing he has failed both his family and his childhood ambition, he nevertheless returns to the library rather than abandon magic. That stubborn attachment to learning brings him into contact with Gluttony, which consumes a primer through the mouth in his left palm and gives him the practical command of Lightning Bolt that effort alone could not produce. (Chapters 1–3)

Gluttony's appetite offers advancement at a price: Theodore must continually find books, artifacts, and other acceptable food, while the grimoire's sudden hunger can endanger him. He responds by studying its rules instead of treating it as effortless salvation. Eating books increases his mana, sensitivity, knowledge, and proficiency; consuming Alfred Bellontes's original work also transmits the war hero's Magic Bullet and battle experience. Theodore uses those gains to defeat the student who attacks him with an artifact, but his most consequential decision is to tell Vince Haidel the truth. Vince answers that trust with a binding oath, becoming Theodore's first reliable ally rather than a prospective thief. (Chapters 4–18)

With Vince's support, Theodore leaves the academy circuit and learns to apply his borrowed knowledge under real pressure. He contracts the ancient earth elemental Mitra, works with mercenaries against hobgoblins in the Nadun Mountains, and survives the chief by combining prepared spells, elemental terrain control, and Alfred's Magic Bullet. At the Mana-vil contest, he defeats Sylvia Adruncus by fusing Blaze Shell and Catapult into Volcanic Shell rather than trying to match her exceptional sensitivity directly. The victory brings graduation, nobility, royal attention, and a formal master-disciple bond with Vince, but it also teaches him that Gluttony's foundations still require personal training and judgment. (Chapters 19–39)

Returning home exposes the wider stakes of his power. Theodore helps destroy the undead crisis around the Miller estate and seals the dangerous grimoire Death's Worship, then accepts increasingly serious Magic Society work. During the slaver pursuit involving Ellenoa, he refuses to abandon the convoy's survivors and confronts Superbia despite the gap in strength; the deaths of the escort magicians remain a personal debt rather than a statistic. His deeds earn a silver medal and access to Umbra, whose spatial power he absorbs. By the end of this phase, the academy outcast has become a 5th-circle national asset, but his advancement is defined as much by whom he chooses to protect as by what Gluttony can eat. (Chapters 40–83)

Elvenheim, exile, and the Pirate Archipelago

Theodore's first work as a prominent Superior places him between Meltor and Andras during an imperial delegation, where he measures himself against elite swordsmen and sharpens the mental discipline needed to use Umbra. Sent onward as a state guest of Elvenheim, he joins an alliance of magicians, guardians, and high elves against Laevateinn. He plans around the fire grimoire's resistance, uses Mitra to move dryads and ents away from certain death, and enters its flames through Umbra's Fluidization when no ordinary attack can reach the core. Gluttony consumes the defeated grimoire, saving the Great Forest and raising Theodore from honored envoy to Elvenheim's benefactor. (Chapters 84–114)

The victory brings both growth and danger. Theodore returns from Elvenheim at the 6th Circle and is offered provisional Prime rank, but the Fountain of Wisdom has exposed a fatal contradiction in his growth: the powers accumulated through Gluttony are overfilling his human “vessel.” Myrdal warns that his body will begin collapsing in three years and die in five unless he expands that capacity. Theodore presses Gluttony for the information it withheld, learns that experience, consequential action, and the soul fragments in original books can enlarge him, and refuses the security of immediate promotion. With Vince's advice and Kurt's covert permission, he chooses travel, disguise, and danger because more passive consumption would worsen the crisis it was meant to solve. (Chapters 115–120)

Traveling through Kargas with Randolph Clovis, Theodore uses the identity “Ted,” obtains rare books and artifacts, and becomes entangled with the Orcus Company and the soul inside Charlotte's Necklace. Their flight ends in Aquilo's Pirate Archipelago, where Pride—also called Superbia—forces Theodore to coordinate with Randolph and Aquilo. Rather than discard Satomer's failed life's work as useless, Theodore uses Overwrite to let the dead summoner complete his lifelong spell and call the ancient dragon Fafnir, turning Satomer's final wish into the decisive answer against Pride. The battle scars Randolph, leaves Theodore unconscious for days, and confirms that his victories increasingly depend on honoring inherited wills rather than merely collecting their techniques. (Chapters 121–153)

When Aquilo offers repayment, Theodore does not ask for wealth or indiscriminate revenge. He asks for what she considers most valuable, receiving her blood mark, increased water affinity, a conditional summoning bond, and the prerequisite for Dragon Words. He also asks her to withdraw protection from the pirate regime, ending the sanctuary that had enabled its crimes. Afterward, he and Randolph remain abroad rather than rush back to acclaim. Theodore has survived a legendary grimoire and earned a dragon's favor, but the unresolved wall of the 7th Circle and the danger of Gluttony's accumulated power keep his focus on self-mastery. (Chapters 153–156)

Eastern inheritance, Quattro, and Soldun

During a year in Soldun, Theodore studies Dragon Words and the master's wall while living quietly with Randolph. His meeting with the emigrating Baek family gives him access to an Eastern tradition that treats body, breath, and power differently from Western circle magic. He receives Lee Yoonsung's martial knowledge, withstands its demanding transmission, and becomes a teacher to members of the household rather than hoarding what he learned. Yet embodied martial practice alone does not produce the breakthrough. Abe no Seimei's inheritance puts Theodore through the Heaven, Earth, and Human trials, raises his onmyōdō proficiency, and balances the Ring of Muspelheim with Aquilo's blood mark as Artificial Yin and Yang. Seimei's intervention expands Theodore's capacity; after a prescribed 168-hour sleep and physical change, he awakens seven circles and escapes the deadline imposed by his overfilled vessel. (Chapters 155–169)

Returning to Meltor, Theodore is no longer simply Vince's gifted disciple. Kurt III entrusts him with command of Quattro, a team whose members include Sylvia and Paragranum, and Theodore must balance friendship with responsibility for their survival. In Paracelsus's desert laboratory, he coordinates specialists against Mercurius, cooperates with Veronica despite her fire being disadvantaged, and lets Paragranum settle the intrusion into her creator's legacy. He also uses his bond with Aquilo to help restore Austen's Pilar River, converting the expedition's success into relief for a kingdom instead of taking another immediate royal reward. (Chapters 174–205)

The Soldun civil war turns that growing authority into political commitment. Theodore supports Prince Elsid not as a conqueror but as an ally whose success can prevent a hostile power from consuming the kingdom. He plans with Orta, Vince, the Baek family, and Meltor's forces; counters enemy masters; and accepts the consequences of intervening in another country's succession struggle. Victory places Elsid on the throne and strengthens Meltor's alliance, but Theodore does not mistake military success for a clean solution: the executions, coerced submission of surviving enemies, and reconstruction burdens remain part of the peace he helped create. (Chapters 210–232)

His reputation then makes him a direct target of Zest Speitem. Theodore draws their fight away from civilians, summons the demon Magnus when ordinary magic cannot overcome the empire's Second Sword, and survives the resulting dimensional collapse only by releasing Death's Worship long enough for its transfer function to carry him away. The choice saves his life but exposes Jerem's grimoire to the Four Horsemen and strands him on the East Continent with damaged circles. What appears to be an isolated duel therefore becomes a later strategic disaster, teaching Theodore that even a necessary escape can create consequences beyond his immediate knowledge. (Chapters 233–241)

Baekun Mountain and the northern unification war

Wounded and alone in the East, Theodore is sheltered by Lee Seol at Baekun Mountain. He could leave once recovered, but chooses to defend her claim as keeper of the mountain and to answer the unresolved legacy of Lee Yoonsung. In the clan's duel trial he fights through the Fairy Dance rather than overwhelming his opponent with high-circle magic, demonstrating that he has inherited its principles rather than copied its motions. His intervention secures Lee Seol's position, reconciles the living clan with a disgraced ancestor's knowledge, and deepens Theodore's understanding of circulation, close combat, and Eastern shamanism. (Chapters 241–259)

Reunited with Meltor's agents, Theodore returns to a northern continent moving toward final war with Andras. He accepts a frontline and strategic role because the centuries-long conflict can no longer be contained by border victories. His methods combine large-scale magic, rapid movement, elemental support, deception, and direct leadership; he also uses the Four Horsemen's mistaken belief that he is Jerem to gather information, then rejects coexistence when Hipatia states that their purpose is human extinction. Rather than ally with the warlocks for convenience, Theodore turns their intervention against Andras while preparing to oppose them afterward. (Chapters 260–289)

The imperial grimoire Invidia proves more dangerous than an ordinary national champion because it has accumulated legendary weapons and identities. Theodore answers by using Claimhb Solais as an intermediary to summon the god-king Nuada, recreating a myth rather than contesting Invidia's stolen techniques one by one. The victory breaks Andras's decisive advantage, but it is not triumph without cost: friends and senior magicians are wounded or killed, including figures who shaped the world Theodore inherited. Those losses harden his opposition to powers that reduce people to fuel, copies, or collectibles, while leaving him one of the few leaders capable of shaping the postwar settlement. (Chapters 289–300)

After the armistice, Theodore gains access to Gluttony's Hall of Fame, where achievement points can call fragments of renowned dead and temporarily reproduce their abilities. The reward is immense, yet the war has taught him not to confuse stored heroes with disposable weapons. He uses their knowledge as counsel and their powers for specific crises rather than as a replacement for his own development. Meltor's victory ends the northern war, but Theodore's discovery that Death's Worship has awakened Jerem means peace is temporary; the escape tool he once used has matured into a threat aimed at the living world. (Chapters 301–305)

Jerem and the defense of the world tree

Investigating silent Lairon with Veronica, Theodore finds a kingdom converted into undead and learns that Jerem has taken Baldur's remains as fuel. Baldur's surviving will reveals that the young world tree and Elvenheim's souls are Jerem's next offerings. Theodore suppresses his guilt over arriving late and shifts from pursuit to defense, warning Soldun and Meltor before asking Kurt for unprecedented authority over the Zero Library. He chooses books suited to souls, curses, and undead—including Soul Calibre—and studies Lemegeton's fragment, preparing for the enemy's unknown reserves rather than relying on raw circle superiority. (Chapters 306–314)

At Elvenheim, Theodore helps organize a defense built from Meltor's magicians, the high elves, elemental rulers, and the Great Forest itself. Jerem separates him from Veronica with three Horsemen, expecting isolation to neutralize him; Theodore instead combines anti-evil arrays, Keraunos, and Soul Calibre to destroy their immortality and return to the central fight. He confronts Jerem as the opposite of his own relationship with inherited knowledge: Jerem treats servants, corpses, gods, and Theodore's stolen memories as tools, while Theodore fights through voluntary bonds and the wills entrusted to him. That difference lets him endure the necromancer's tricks and destroy the soul sustaining his return. (Chapters 315–330)

Jerem's defeat does not remove Nídhöggur, whose partial descent threatens the entire forest. Theodore and the high elves elevate Mitra into Dmitra through the world tree, while the sacred creature Hraesvelgr draws the demon dragon away. When Nídhöggur returns and concentrates its breath on Theodore, he accepts the risk of channeling the dragon heart through himself to Dmitra and uses Baldur's single-use protection to survive the killing blow. His 8th-circle Abraxas, amplified by the heart, drives Nídhöggur back across the dimensional boundary. The world tree survives, though exhausted, and Mitra's new role permanently links Theodore's closest elemental bond to Elvenheim's future. (Chapters 330–333)

The aftermath changes Theodore's private life as well as his public standing. He cannot repair the world's losses, but he remains to discuss the world tree's recovery and recognizes Ellenoa's place in Mitra's new divine structure by accepting her as Dmitra's Saintess. At the victory festival he stops evading Ellenoa's feelings: although afraid that his dangerous life and shorter human span make him an unsuitable partner, he admits that he loves her. Her answer accepts the uncertainty rather than pretending it does not exist, and their promised night turns a long-protected affection into a mutual commitment. (Chapters 333–335)

Prometheus and the Eastern apocalypse

Five years later, Theodore is an 8th-circle magician and Meltor's first Chief Tower Master, coordinating the towers while continuing research toward the 9th Circle. Office and rank do not satisfy him; he remains conscious that each generation inherits vacancies left by the dead, including Sylvia's succession to the Blue Tower after Blundell. An expedition to the southern swamp brings him before dragon lord Clipeus, Brasmati, and the Cage of Chronos, where Myrdal reveals himself as Prometheus's agent. Theodore learns that Sloth has already drained the world's mana so future humanity will be safer from supernatural destruction, at the cost of dragons, magic, aura, and future transcendents gradually disappearing. (Chapters 336–347)

Prometheus's plan cannot simply be undone, and Myrdal entrusts Theodore with banishing Sloth before its release becomes catastrophic. Using Gluttony's Hall of Fame and the aid of dragons and companions, Theodore faces transcendents preserved as Sloth's defenses. At the decisive moment he breaks all eight circles instead of trying to add a ninth within the same mortal structure, unifying body and soul into the circle of a transcendent. Simon Magus then banishes Sloth. Theodore emerges as the world's likely last natural transcendent—more capable of protecting it, yet unable to restore the magical future Prometheus has already closed. (Chapters 347–353)

That new power is tested immediately when Lust's variants devastate the Eastern empire. Theodore travels across continents, saves Baekun Mountain, and joins Veronica against cities whose people have been transformed or driven to mutual slaughter. Lust possesses Sylvia's body as leverage and proposes a concrete bargain while the heavenly demon matures: under the Pledge of Sin, Lust must release and return Sylvia, while Theodore provides the genetic material it wants through Sylvia's body. After Sylvia regains control, Theodore and Sylvia choose to consummate their relationship, and he then turns to stopping the larger project. The encounter also causes Sylvia's pregnancy, which Theodore discovers during Armageddon. (Chapters 354–370)

Against the heavenly demon, Theodore joins Western magic, Seimei's artifacts, Fairy Dance techniques, Soul Calibre, and the Heavenly Sword. The enemy's Absorption Star Method grows by stealing power and adapting, so Theodore cannot win through simple escalation. He coordinates a sealing strategy, draws on allies whose roles the demon underestimates, and accepts severe bodily damage to create a decisive opening. Sylvia is already free under the Pledge of Sin; the victory instead prevents the heavenly demon from consuming the remaining Eastern population, though the old empire collapses. Theodore therefore stays long enough to organize refugee protection, constrain opportunistic invasions, and establish cooperation among Meltor, Japan, and the Fairy Dance Lee family instead of leaving a vacuum behind his personal victory. (Chapters 371–379)

Marriage, Armageddon, and the world he chose

Knowing that Wrath will reach the planet in four months, Theodore keeps the threat secret because wider awareness would cause the weapon to increase its destructive response. He uses the time to live deliberately: he marries Veronica and Sylvia in Meltor, visits the recovering Great Forest, and fulfills his promise to Ellenoa through an elven wedding at the world tree. These are not distractions from duty but the life he intends to defend. He carries the burden alone, preparing a plan that gives the world its best chance without asking its people to spend their final months in terror. (Chapters 379–388)

Theodore meets Wrath in space as a 9th-circle magician. Plasma transformation, Abraxas, the Heavenly Sword, summoned Orochi, time magic, Soul Calibre, and the combined force of spirits and relics damage and slow it, but Wrath adapts until his attacks cease to matter. Gluttony offers escape for Theodore and a chosen few. He nearly accepts, then senses Sylvia's unborn child and rejects survival built on abandoning everyone else. Forced Harmonization lets him enter the Akashic Records, an act expected to erase him, because even a nearly impossible path is preferable to making his family inherit his surrender. (Chapters 389–393)

Theodore's ego does dissolve in the Akashic Records, but the residual wills of investigators led by Simon Magus reconstruct him, and Akashic's own unexpected interest destroys Wrath before impact. Returning with a fragment of that cosmic authority, Theodore repairs the atmosphere and refuses Gluttony's demand to release the seventh seal. He has seen omnipotence and understands that crossing that boundary would end the Theodore who loves particular people and a particular world. When Gluttony's purpose overrides their companionship, the grimoire discovers that Theodore's destruction and reconstruction in Akashic had already broken their contract. Theodore cuts away the left-arm connection, defeats Gluttony using the powers they developed together, and banishes it only after acknowledging it as the friend that made his life possible. (Chapters 393–397)

The final victory leaves Theodore neither retired nor enthroned. He supports gradual scientific and magical reform, visits his expanding family, and helps settle the territories destabilized by war. Kurt raises Meltor into an empire and appoints Theodore Imperial Guardian, granting him authority equal to the responsibilities he already bears. Theodore accepts service rather than rule: he intends the people of the era to build their own future, with his power serving as protection rather than ownership. Conscious that immortality may someday separate him from everyone he knows, he chooses descendants, memory, and ongoing work over a static paradise, then begins writing the story of the book-eating magician. (Chapters 398–400)

Appearance and personality

As an exhausted Bergen student, Theodore has pronounced dark circles, a worn expression, and a body shaped by poor sleep rather than physical training. His hair is black, his eyes are blue, and later physical change and martial training produce a balanced, well-conditioned build. By the time he is known as the world's strongest magician, his pale skin and composed features give him the intellectual atmosphere of a scholar even when the power within him marks him as a transcendent. (Chapters 1, 166, and 377)

Theodore is defined by disciplined curiosity and “stupid honesty.” He studies failure instead of hiding it, trusts cautiously after being ridiculed, and distinguishes knowledge received from mastery earned through experience. Repeated crises make him a fast, unsentimental tactician, but not an indifferent one: he mourns escorts, protects civilians when choosing battlefields, repays inherited wills, and repeatedly refuses power when its price is other people's agency or his own capacity to love. His greatest fear changes from personal failure to failing those who trust him, while his final choice affirms responsibility without surrendering ordinary attachment. (Chapters 1–18, 107–120, 282–305, and 392–400)

Magic, abilities, and martial skills

Theodore's power is unusually composite. His foundation is human circle magic, but Gluttony lets him acquire bodies of knowledge and fragments of experience that he then integrates through practice, elemental contracts, Eastern martial arts, sorcery, artifacts, and transcendence. His strongest results come from analysis and combination rather than a single attribute. By Chapter 400 he no longer has access to Gluttony, which he banished, but retains the personal magic, contracts, martial understanding, and transcendent authority that became part of him. (Chapters 3–8, 166–169, 351–353, and 395–400)

Circle magic, sensitivity, and progression

Theodore begins with excellent formulaic understanding but almost unusable sensitivity. Consumed books raise that sensitivity and provide established spell knowledge, while repeated combat teaches the timing and variation that ingestion alone cannot supply. He advances from the 2nd Circle to the 5th within his first major campaigns, reaches the 6th after Elvenheim, and completes seven circles only after Lee Yoonsung's transmission and a physical change. At the 7th Circle he learns that a master also needs a unique Sorcery; circles are capacity and structure, not a substitute for an individual theory of magic. (Chapters 1–8, 49–84, 114–120, and 155–169)

His 8th Circle supports great magic such as Abraxas and lets him handle multiple high-order systems, but a mortal body cannot safely contain a conventional ninth circle. Theodore reaches transcendence by breaking his eight circles and treating his unified body and soul as the next circle. In that state he can perceive and rewrite spatial coordinates, resist ordinary time interference, use Orders that cause the world to express his will, and operate at immense range. These abilities are still finite before the Akashic Records; his later fragment of Akashic authority expands what he can create and repair, but the corpus does not define an exact upper limit. (Chapters 313–333, 351–353, and 393–400)

Gluttony's acquisition and support functions

Gluttony's basic predation consumes magic books and compatible artifacts, converting them into mana, sensitivity, knowledge, proficiency, or a specific skill according to the target. Appraisal identifies a target's nature, grade, effects, digestion time, and possible gain, allowing Theodore to make informed choices. Original books can carry soul fragments and trigger Transmission or other inheritance, but the influx can overwhelm body or identity; Alfred's intervention during Pride's attack demonstrates that an inherited consciousness is not automatically harmless. Question and Answer supplies information after feeding, while Inventory stores undigested objects outside ordinary space. (Chapters 2–8, 17–21, 38–58, and 115–119)

Memorize stores completed spells in slots for instant release, enabling layered defenses, simultaneous casting, and fusion such as the four-spell Volcanic Shell. Later seals unlock functions including multiple embodiments, the Hall of Fame, and increasingly direct use of absorbed records. Hall of Fame spends achievement points to call preserved souls or borrow a selected ability for a limited purpose; its costs prevent casual use, and the soul fragments remain distinct from Theodore. Gluttony's perfect calculation and broad archive amplify every system he learns, but they remain grimoire-derived. When Akashic reconstruction breaks their contract and Theodore later banishes Gluttony, he loses that continuing archive and support rather than pretending its functions were innate. (Chapters 25–39, 301–305, 325–329, and 395–397)

Mitra, elemental magic, and world-tree authority

Theodore contracts Mitra through Myrdal's original elemental text because her earth nature matches his honesty and steadiness. Their soul link allows shared senses and intent without a spoken formula. Early applications soften or harden soil, open pits, raise barriers, detect underground movement, and reinforce earth magic; these simple effects become tactically decisive because Theodore times them with prepared spells and close-range attacks. Mitra grows through interaction and the world tree's seed, eventually commanding forest spirits and enabling Theodore to work through terrain at a scale ordinary elemental contracts cannot reach. (Chapters 20–25, 34–36, and 98–108)

At Elvenheim, Theodore, the high elves, and the world tree elevate Mitra into Dmitra, a goddess of plants and earth and an incarnation of the world tree. She is not the full restoration of Mother Earth—Theodore says that would require roughly thirty times Elvenheim's authority. The transformation requires the world tree, high-elf mediation, faith, and enormous power; it burdens the immature tree and is not Theodore's personal spell. Through their bond he can supply magic to her, coordinate control of the Great Forest, and share in the resulting spiritual network. Later Mitra divides part of her power into many autonomous bodies to help repair the forest. Their contract remains active after Gluttony's departure, and her independent judgment—rather than Theodore's ownership—is repeatedly emphasized. (Chapters 108–114, 318–335, and 385–400)

Combat magic, Keraunos, and spatial techniques

Magic Bullet is Theodore's earliest signature attack, inherited from Alfred Bellontes. It concentrates force into a small, fast projectile whose accuracy and penetration depend on Theodore's control and Alfred's transmitted experience. Keraunos is a separate spell fusion Theodore invents by layering Thunderbolt through Memorize: it begins as a compressed 7th-circle lightning spear and later becomes his ultimate electrical magic, with multiplied and plasma-state variants for larger targets. Its early concentrated form sacrifices range for single-point penetration, while its multiplied forms demand immense mana and control; lightning protection or immunity can still counter it. (Chapters 7–8, 23–36, 157, 277–300, 325–329, 355–376, and 396)

Umbra gives Theodore Fluidization and Dimensional Leave, temporarily moving him beyond ordinary matter and helping him survive attacks or distorted space. Early use consumes mental strength and causes severe headaches after only several leaps. Theodore later integrates spatial theory from Orta, ancient magicians, and transcendence until he can read worldwide coordinates, cross continents, restore damaged space, and bind an enemy's position. The progression is learned and item-assisted rather than an unexplained birthright: Umbra opens the route, while years of analysis and his 9th-circle state produce the later authority. (Chapters 82–84, 109–112, 198–205, 237–245, and 351–353)

Forced Harmonization and Abraxas

Theodore's Sorcery, Forced Harmonization, permits powers that would normally reject one another to coexist under a common structure. It can combine opposing attributes, foreign magic systems, artifacts, or transformations long enough to create a stable application. The technique underlies his most flexible counters and allows him to wield Soul Calibre and the Heavenly Sword alongside Fairy Dance movements. Its name does not mean unlimited compatibility: extreme combinations strain his body and concentration, and withdrawing the harmonization can cause the contained forces to explode. Gluttony recognizes that using it to enter the Akashic Records should kill him, a prediction that is effectively fulfilled before outside wills reconstruct his identity. (Chapters 194–205, 313–333, 373–376, and 392–394)

Abraxas is his principal great magic, forcing opposed elemental forces into an attribute-less collapse. Its early heat and cold chapters are available at the 7th Circle, while the complete four-element Final Chapter requires the 8th Circle. Once launched, it cannot be steered, and at the 8th Circle Theodore estimates that even three uses in one day would overload his circles. Theodore develops variants through external power sources: a dragon heart magnifies it against Nídhöggur, the Heavenly Sword turns it into a divine cutting attack, and his transcendent casting accelerates and reshapes it. Equivalent collapse or overwhelming durability can counter it, and indiscriminate release would endanger allies and terrain, so Theodore repeatedly engineers isolation, targeting, or sealing before using it. (Chapters 194–205, 293–300, 323–333, 342–353, and 389–397)

Soul Calibre and the Fairy Dance

Soul Calibre is astral magic learned from Reynolds Spencer's original book. Magic shapes the blade, but its actual strength comes from the soul at its core, and Theodore's first self-made blade is too weak for high-ranking enemies. He therefore houses Reynolds's soul fragment in Umbra and lets the inherited soul manifest a battle-ready sword against Jerem. Over the next five years, while still at the 8th Circle, Theodore perfects a blade based on his own soul; during his transition beyond the eight circles, that blade frees a Sloth-bound transcendent from grimoire-binding magic. Soul Calibre attacks spirits, curses, bindings, and the immortality of high-ranking undead, while its normal reach is close and purely physical defenses are not its intended target. Theodore's later spirit-body transformations expand it dramatically, but accumulated evil can contaminate or dull it. Against Gluttony, Soul Calibre cuts away the physical left-arm connection; it does not break the contract, which Akashic reconstruction had already ended. (Chapters 313–329, 336–351, 367–376, and 391–397)

The Fairy Dance and Battle Song come from Lee Yoonsung's transmitted martial legacy. Fairy Dance circulates blood and power through minimal, flowing motion, improves recovery and mana control, and redirects force instead of meeting every strike directly. Theodore combines it with magically reinforced hands, lightning acceleration, the Heavenly Sword, and Soul Calibre, allowing a magician to contest masters at close range. The techniques require embodied practice; he cannot obtain their full value from theory alone. His victory in the Lee clan's duel and later exchanges with the heavenly demon show genuine mastery, though specialist martial artists can still surpass him in a purely technical contest. (Chapters 160–169, 241–259, and 367–376)

Dragon Words, foreign systems, and transcendent authority

Aquilo's blood mark raises Theodore's water affinity, grants the Sea Dragon's Blessing, and creates a channel through which he can summon or communicate with her. After studying the system of Dragon Words, he can issue a limited number of reality-compelling commands; the initial mark explicitly restricts him to three uses per day once both conditions are met. Seimei later balances this mark with the Ring of Muspelheim as Artificial Yin and Yang, strengthening both opposed imprints and making them respond more obediently; the balance supports Theodore's 7th-circle transition but is not described as a separate spell. He later studies onmyōdō, Kabbalah, shamanic arrays, summoning, alchemy, and black magic as bodies of knowledge. These systems retain their own conditions and moral risks: understanding necromancy does not make him a warlock, and borrowing a god or demon usually requires a fitting intermediary, payment, or temporary manifestation. (Chapters 145–169, 181–205, 282–301, 313–329, and 336–379)

After becoming a 9th-circle transcendent, Theodore can accelerate personal time, resist or reverse spatial and temporal interference, transform into elemental or spiritual states, issue world-level commands, and use the material world's management authority. Contact with Akashic adds limited creation and restoration effects, including reconstructing matter from nonexistence and repairing the damaged atmosphere. This is not full omnipotence: Wrath defeats his direct attacks, entering Akashic destroys his original ego, and he survives only through the aid of preserved investigators and Akashic's intervention. Theodore deliberately refuses the seventh-seal path that might take him beyond his remaining human identity. (Chapters 351–353 and 389–400)

Power progression

Relationships

• Gluttony: Gluttony rescues Theodore from magical failure and becomes his teacher, arsenal, critic, and second soul. Their partnership grows more personal with every seal, but their purposes finally diverge when Gluttony values transcendence above Theodore's chosen life. Theodore defeats and banishes it with grief, recognizing the grimoire as a friend even while refusing its demand. (Chapters 2–8, 38–58, 301–305, and 392–397)
• Vince Haidel: Vince recognizes Theodore's intellect before anyone else at Bergen, protects his secret with an oath, and formally accepts him as his successor. Theodore repays that faith by sharing Gluttony's answers, advancing Vince's research, and continuing to treat him as master after surpassing him in power. (Chapters 1, 17–18, 38–39, and 84–120)
• Veronica: Veronica begins as Theodore's demanding combat instructor and senior in the Red Tower. Shared battles and a soul connection turn mutual trust into love; she accepts his commitments to others without ceasing to challenge him, fights beside him against world-level threats, and becomes one of his wives. (Chapters 52–60, 181–205, 306–335, and 336–385)
• Sylvia Adruncus: Sylvia is first Theodore's tournament rival, then a Quattro teammate and intimate partner. Theodore values her talent without reducing her to Blundell's heir, rescues her from Lust's possession, and refuses to abandon the world after discovering she carries his child. They marry, and their daughter Adellia becomes one of the bonds anchoring him to the future. (Chapters 30–37, 94–120, 174–205, 357–380, and 392–400)
• Ellenoa: Theodore rescues Ellenoa from slavers, protects Elvenheim, and later fights to preserve the world tree that defines her duties. Their affection develops through separation, repeated returns, and Theodore's fear that his dangerous life cannot offer her happiness. They accept that uncertainty, marry according to elven custom, and remain linked through Mitra and the world tree. (Chapters 61–83, 94–114, 314–335, and 385–388)
• Randolph Clovis: Randolph is Theodore's traveling companion, bodyguard, sparring partner, and trusted equal through Kargas, Soldun, and multiple continental wars. Their complementary magic and swordsmanship repeatedly keep both alive, while Randolph's loyalty during Theodore's 7th-circle transition turns a practical partnership into enduring friendship. (Chapters 121–169, 210–240, and 336–353)
• Mitra: Mitra is Theodore's contracted ancient elemental and adopted family rather than a tool. Their shared senses and emotional bond mature from simple earth magic into cooperation with Dmitra, the world tree, and an entire forest; Theodore supplies power and protection, while Mitra independently saves him and communities he cannot defend alone. (Chapters 20–25, 98–114, 318–335, and 385–400)
• Kurt III: Kurt rewards Theodore early, but their relationship becomes one of ruler and indispensable counselor. Theodore repeatedly places his strength at Meltor's service without surrendering his judgment, and Kurt responds with exceptional trust, ultimately appointing him Imperial Guardian rather than trying to control him through an ordinary title. (Chapters 37, 79–83, 118–120, 205–232, and 398–400)
• Aquilo: Aquilo begins as a dangerous dragon whose favor Theodore earns by defeating Pride. Her blood mark creates a continuing bond used for travel, battle, and diplomacy; over time teasing interest becomes genuine loyalty, and Theodore heals and protects her while still challenging her casual disregard for human life. (Chapters 145–154, 181–205, 336–353, and 354–400)
• Orta: Orta serves as Theodore's commander, strategist, and later fellow tower master. Theodore learns from his spatial expertise and depends on his political and logistical competence, while Orta comes to accept Theodore's judgment in crises that exceed conventional national strategy. (Chapters 71–114, 174–232, 260–305, and 336–400)
• Paragranum: Paragranum works under Theodore in Quattro while pursuing the completion of a human body and Paracelsus's alchemical legacy. Theodore respects her purpose without forgetting that she is a grimoire, and after Armageddon they cooperate on a gradual program joining science, alchemy, and magic rather than allowing either of them to dictate civilization's form. (Chapters 181–205 and 398–400)

Items

• Umbra: Meltor's spatial national treasure, absorbed by Theodore and developed into Fluidization and Dimensional Leave. (Chapters 82–84 and 109–112)
• Laevateinn: The legend-ranked fire grimoire Theodore defeats at Elvenheim; Gluttony consumes it, and its fire later remains accessible through Theodore's inherited systems. (Chapters 104–120 and 342–345)
• Soul Calibre: Reynolds Spencer's astral-magic original book and the source of Theodore's soul-cutting blade. (Chapters 313 and 320)
• Heavenly Sword: A divine Eastern sword entrusted to Theodore, used against the heavenly demon and Wrath before being destroyed. (Chapters 358–379 and 390–391)
• Ring of Muspelheim: The vessel through which Theodore later accesses Laevateinn's otherworldly flame. (Chapters 111 and 342)
• Charlotte's Necklace: A soul-bearing necklace tied to Satomer's legacy and Theodore's conflict with Pride. (Chapters 131–153)
• Claimhb Solais: The mythological sword of light Theodore uses as an intermediary to call Nuada against Invidia. (Chapters 169–173 and 291–295)
• Gladio: A sword-master automaton who serves Theodore as a combat asset and tower assistant while retaining an independent operating identity. (Chapters 216–238 and 338–353)
• Azoth Sword: An alchemical weapon from Paracelsus's legacy used in Theodore's later conflicts. (Chapters 182–203 and 323–326)
• Eight Jade Magatamas: One of Seimei's divine artifacts, expended and shattered during the eastern battles. (Chapters 358–377)
• Fairy's Book: Paracelsus's ancient elemental original book, consumed during Theodore's exploration of the alchemist's laboratory. (Chapters 182 and 198–200)
• Philosopher's Stone: A major alchemical stone associated with Paracelsus's inheritance and Theodore's expedition. (Chapters 182–199 and 323–326)
• Book of Clouds: An original magic book Theodore obtains through Heinrich before the clash with Zest. (Chapters 233–236)
• Cage of Chronos: The time-sealing prison that confines Sloth and preserves Prometheus's long plan until Theodore's expedition. (Chapters 345–352)
• Lemegeton: A damaged demon-command grimoire whose ego, Ars Goetia, later serves as Theodore's assistant. (Chapters 313–314 and 380–394)
• Eight Mirrors: Seimei's defensive divine artifact, used in the eastern crisis and returned to his shrine afterward. (Chapters 358–379)
• Emerald Tablet: An Age-of-Mythology alchemical tablet associated with Paracelsus's laboratory and Theodore's preparations. (Chapters 182–199 and 314)
• Giovanni's Life Vessel: The elder lich's soul-sealing vessel, consumed by Gluttony to destroy the undead threat and increase Theodore's power. (Chapter 49)