Formerly a low-rank martial artist who died in an ambush, Jaehyun regressed eleven years into the past using the mythic artifact Odin's Lost Eye. Armed with prior knowledge and an astonishing 97% magic aptitude, he abandoned martial arts to master magic. Coldly analytical, fiercely pragmatic, and fiercely protective of his friends, Jaehyun operates under the secret identity "Black Robe." Marked by the Nornir System as the "Great Enemy," his ultimate goal is to break the tragic prophecy of Ragnarok and slaughter the Aesir gods who treat humanity as disposable pawns. Combat abilities and traits: Absolute Calculation, Realization of Magical Artifact, Divinity Usurpation, Lightning God's Power, Chains of Inferno, Sacrifice (copied), Idunn's Compassion (EX-Rank). Wields legendary/mythic artifacts including Balmung, Nidhogg's Fang, and Tyrfing.

A prodigiously gifted mage at Milles Academy, Seo Ina possesses an unmatched innate combat sense paired with a traumatic, secret past. Initially distant and emotionally reserved, she forms an unshakeable bond with Jaehyun after recognizing his authentic strength and integrity during high-stakes academy evaluations. She harbors deep romantic feelings for Jaehyun and serves as his primary combat partner within Circle Nine, consistently fighting on the front lines against divine and dimensional threats. Combat abilities and traits: Unique Skill Sword of Alfheim, elite multi-elemental magic casting, high-speed mana sword construction, advanced spatial perception.

Jaehyun's wealthy, expressive, and fiercely loyal childhood friend. Despite coming from a background of privilege, Yoojung refuses to rely solely on family status, working relentlessly to rank among the top wind mages at Milles Academy. Her unwavering faith in Jaehyun makes her a cornerstone of his emotional support system and a founding member of Circle Nine. Combat abilities and traits: Specialized Wind Magic, crowd control spellwork, aerial trajectory manipulation, tactical field support skills.

Recognized as a martial arts genius, Hoyeon was initially forced into servitude through insidious mental brainwashing orchestrated by Chief Director Goo Ja-in and his controlling father. After Jaehyun breaks his psychological chains during the New Student Hunt, Hoyeon devotes himself to mastering physical combat on his own terms. During the crisis in Svartalfheim, he achieves a monumental breakthrough by opening his triple Qi centers, proving himself as one of humanity's finest frontline vanguards. Combat abilities and traits: Triple Qi Center Activation, specialized Close-Quarters Combat (CQC), aura blade projection, extreme physical enhancement.

The ruthlessly corrupt Chief Director of Milles Academy. Ja-in viewed promising young students as mere tools for profit and political leverage, using illegal subspace setups, brainwashing magic, and predatory contracts to subjugate prospective talents. His tyrannical reign comes to an end when Jaehyun publicly broadcasts his illicit operations during the midterm dungeon exams, leading to his public downfall and arrest. Combat abilities and traits: High-tier Brainwashing Magic, manipulation of academy defensive arrays, political corruption, contract-based soul restraints.

Known as the "Saintess," Yoo Seongeun is the prestigious Guildmaster of the Lotus Guild. Afflicted with a terminal mana-poisoning illness in her previous and current timeline, she was cured when Jaehyun copied her unique healing skill Sacrifice and used it to purge her ailment. In gratitude, she becomes Jaehyun’s most powerful political backer, providing political immunity, immense capital, and guild resources. Combat abilities and traits: S-Rank Support Magic, unique skill Sacrifice, advanced mana purification, supreme administrative authority.

The sovereign ruler of Helheim who often manifests in the mortal realm taking the form of a heterochromatic black cat named Hela. Recognizing Jaehyun as the prophesied "Adversary" who will bring about Ragnarok, she guides him through divine trials, teaches him the intricacies of divine usurpation, and assists him in thwarting Asgard's grand design. Combat abilities and traits: Sovereign authority over Helheim, death mana manipulation, dimensional projection, realm travel, divine prophecy knowledge.

The divine watcher of Asgard and loyal servant of Odin. Arrogant, uncompromising, and viewing mortals as expendable cattle, Heimdall descends to Earth wielding the legendary horn Gjallarhorn to eliminate Jaehyun before he can fulfill the prophecy of the Great Enemy. His divine invasion ends in humiliation when Jaehyun usurps half of his divinity and defeats him in battle. Combat abilities and traits: Divine Authority, Gjallarhorn acoustic shockwaves, god-level sensory perception, spatial tearing, high-tier divine armor.

History's legendary "First Ever Awakened" hero who mysteriously vanished decades prior. In reality, Ju Won was captured, brainwashed, and turned into an emotionless puppet by Odin, forced to wield the cursed mythic blade Tyrfing. Confronted by Jaehyun in an underground Asatru research facility, Ju Won finds temporary clarity during battle, ultimately passing his legacy to Jaehyun upon his defeat. Combat abilities and traits: Cursed Swordmastery with Tyrfing, original Awakened skills, invulnerable physical body, divine blood empowerment.

A dragon familiar hatched from the Brewing Dragon Egg, acquired after Jaehyun slew the corrupted S+ rank dragon Fafnir in the Valley of Greed. Soul-linked to Jaehyun, "Fafi" evolves rapidly by consuming high-density mana flames and Arch-Metal, growing from an affectionate hatchling into a formidable battle dragon. Combat abilities and traits: Concentrated Mana Breath, elemental flame absorption, dragon scale armor, aerial transport, soul-link attribute boosting.

The former Aesir Goddess of Youth who fled Odin's tyrannical reign and hid within Niflheimr’s Frost Garden. She tests Jaehyun through grueling endurance trials to ensure he possesses the resolve required to face Odin, granting him Idunn's Compassion and warning him of the fatal Nornir prophecy. Combat abilities and traits: Life/Youth Domain Manipulation, divine healing, realm isolation, trial creation, divine compass generation.

The tyrannical ruler of Svartalfheim who collaborates with academy saboteurs to ambush mortal students. Cruel and proud, he underestimates Jaehyun's tactical adaptability, leading to the annihilation of his royal guard and his own death. Combat abilities and traits: Dark Elf Royalty Magic, shadow manipulation, high speed blade techniques, dimensional territory control.

European S-Rank Raider leader who attempts to claim the legendary sword Balmung in Iceland's Great Ruins through force and intimidation. Combat abilities and traits: S-Rank combat proficiency, heavy mana armor, destructive elemental martial attacks.