A reincarnated modern strategist who survived countless perilous conflicts under numerous legendary aliases (such as the criminal genius James Moriarty, the elite mercenary Machiavelli, and the deadly vigilante Jack). After the real Rudiger Chelsea dies during a train attack, he assumes the professor's mantle at Theorn Academy. Stoic, hyper-analytical, and pragmatic, he protects his students while building his shadow syndicate U.N. Owen to retrieve ancient relics and dismantle the Black Dawn from within. Powers: Master of non-attributed magic, fusion casting, and creator of Source Code - a revolutionary mental shortcut that compiles complex spell formulas in milliseconds. Highly proficient in close-quarters assassination, firearms, tactical deduction, and concealment.

A world-renowned private investigator known as the "Water Wizard." Possessing monstrous deductive capabilities and sharp sensory intuition, Casey is defined by her obsessive pursuit of the criminal mastermind James Moriarty, unaware that Professor Rudiger Chelsea is the very man she seeks. Powers: Rank 5/6 Water-attribute combat specialist. Capable of turning moisture into razor-thin hydro-blades, pressurized water cannons, dynamic defensive shields, and forensic mana tracking.

A shapeshifting werewolf operative who serves as Ludger’s most reliable right-hand agent. Practical and streetwise, Hans oversees the underground logistics, financial acquisitions, and intelligence brokerages of the U.N. Owen organization. Powers: Werewolf lycanthropy granting superhuman regeneration, enhanced sensory tracking, supreme agility, and beast taming/cryptid command.

Originally a low-ranking operative of the Black Dawn embedded at Theorn Academy to assist the supposed agent Rudiger. Recognizing Ludger's true brilliance and noble nature, she becomes fiercely devoted to him as his official teaching assistant. Later revealed to carry the prestigious Flante royal bloodline of the Elven Kingdom. Powers: Secretarial magic, covert intelligence gathering, and later awakens as The Green Mage with supreme authority over plant life and the sacred World Tree.

The eccentric yet terrifyingly capable Chancellor of Theorn Academy. Despite her playful and aloof demeanor, she possesses an iron will, protecting the academy's independence from imperial factions and constantly testing Ludger to measure his loyalties. Powers: Master-tier elementalist and spatial magic authority with deep knowledge of ancient relics, continental politics, and academy defense wards.

An earnest commoner student at Theorn Academy who endures noble ostracization. Recognized by Ludger for his rare innate talent, Aidan develops unyielding grit and integrity under the professor’s unorthodox guidance. Powers: Unique anti-magic constitution capable of destabilizing and neutralizing opponent spell matrixes, combined with rapid spell-parrying reflexes.

An exceptionally gifted noble student from the prestigious Lumos household. Initially arrogant, she experiences a humbling paradigm shift after witnessing Ludger's revolutionary spell casting, becoming deeply fascinated with his magical methodology. Powers: Prodigious elemental casting, particularly high-density Fire and Light mana manipulation.

A quiet, reclusive student harboring terrifying raw magical power. She suffers from a mysterious physical affliction caused by awakening a forbidden non-attributed magic lineage and the "Eye of Judgment," which threatens to burn away her lifespan. Powers: Raw non-attributed magic disintegration, ocular clairvoyance, and anti-mana sight.

The sharp, calculating First Princess of the Empire. Highly perceptive and politically dominant, she tracks underworld activities and discovers Ludger's former persona as Jack the Ripper, seeking to leverage him as a weapon against imperial corruption. Powers: Imperial authority, supreme political acumen, and elite aristocratic swordsmanship/ward magic.

A high-ranking Black Dawn operative (First Order) masquerading behind multiple identities. Ruthless and destructive, he stages a deep-cover conspiracy within the Khasar Basin estate to sever the continent's vital mana lines. Powers: Rank 6 Metal and Lightning attribute combatant capable of shattering continental mana veins and manifesting high-density destructive constructs.

The matriarch of the elven Lefre family and an executive member of the Black Dawn Society. Obsessed with achieving absolute biological immortality and dominion over the Elven Kingdom by assimilating herself into the core of the World Tree. Powers: High-tier Elven nature magic, shadow puppetry, and bio-magical synthesis.

An ancient, distorted entity operating as the self-proclaimed Manager of Dreams. He traps Theorn Academy inside the surreal Dreamland realm, using human nightmares as sacrifices to awaken the slumbering ancient goddess Noxanna. Powers: Omnipotent reality-warping within the Middle World/Dreamland, manifestation of phantasmal nightmares, and spatial displacement.