Formerly Han Seojin, the legendary, fifth-ranked player in the world known as "Loki." After being mysteriously pulled into the game, he takes over the body of a low-rank, 1-star discard unit named Islat Han. Pragmatic, ruthlessly logical, and emotionally guarded, Han utilizes his supreme meta-knowledge of Mobius to keep himself and his squad alive. He acts as the shadow director of his lobby, orchestrating training regimens, managing resource allocation, and maintaining a strict, performance-based environment. His overarching goal is to climb to the peak of the Tower of Ascension, destroy the system, and find a way back home. Powers: A master swordsman who progresses from a 1-star discard to a 4-star powerhouse. His signature weapon is Bifrost, a legendary evolving longsword. He possesses unique abilities, including the high-risk Exceed state (which temporarily pushes his physical capabilities far past his natural limits) and the Destructive Sword Spirit. After surviving higher floors, he absorbs the S-rank True Black Dragon Blood, unlocking draconic passive abilities and massive physical regeneration.

A young archer who is summoned into the early stages of Townia. Initially terrified and fragile, Jenna's spirit is forged in fire under Han's relentless and demanding training regimens. She possesses an iron resolve and an intense drive to prove her worth to Han, dreading the thought of being left behind or synthesized. Over time, she develops into the reliable, eagle-eyed vanguard of Party 1, bridging the emotional gap between Han's cold pragmatism and the rest of the roster. Powers: Initially a weak 1-star Archer, she promotes to a 2-star Rogue and continues to climb. She is an expert in long-range precision archery, agility-based evasion, and stealth. Her combat prowess is significantly elevated after surviving the brutal advanced training facility of Niflheim.

A shield-bearing warrior who initially suffers from a lack of confidence and deep-seated fear. After failing to meet expectations, he is demoted from Party 1. Rather than breaking, this demotion fuels a quiet, burning determination within him. Under Han's guidance, Aaron undergoes unimaginable training loops, eventually discovering that his true purpose is to protect his allies and find a way to save his sister. He matures into the ultimate shield of Townia - unyielding, selfless, and physically massive. Powers: A Shield Warrior who undergoes 57 years of subjective, time-dilated training in another dimension, transforming into a titanic defensive powerhouse. He wields massive tower shields and specializes in aggro management, crowd control, and kinetic redirection. During the World Raid Fiesta, he unlocks his ultimate latent potential, matching Han in raw endurance and martial output.

An aristocratic and arrogant 3-star fire mage who initially looks down on others due to her noble lineage. Her haughtiness is quickly shattered by the brutal realities of the Tower, where rank means nothing without combat efficacy. Despite her low stamina and poor physical defense, she possesses a pride that refuses to let her slack. She trains diligently to master high-output elemental magic, eventually earning her spot as the primary magical artillery of Party 1. Powers: A 3-star Fire Mage specializing in wide-area destruction, high-tier fire spells, and telekinetic mana manipulation. Her glass-cannon nature requires constant protection from her vanguard allies.

A battle-hungry, sadistic, and volatile second-generation mutant hero. Velkist lives for the thrill of life-or-death struggles, displaying little regard for his own safety or the safety of others. He forces his way into Party 1 by defeating Aaron in a duel, proving his chaotic value to Han. Despite his unhinged personality, he respects strength above all else and views Han as the ultimate mountain to climb. Powers: A ferocious front-line brawler with a unique passive trait that converts negative status abnormalities (poison, bleeding, curses) into raw physical strength and speed. The more damaged and debuffed he is, the more lethal he becomes.

A highly analytical, calm, and pragmatic second-generation hero. Nerissa does not fight out of passion or bloodlust; she fights with cold, calculated efficiency. Recognizing Han's systems-based approach, she tailors her skills to complement the team's needs, earning her place in the core party through sheer utility and tactical execution. Powers: A versatile scout and assassin skilled in stealth, venom application, trap-making, and multi-weapon mastery (primarily daggers and throwables).

A powerful, high-tier 6-star hero residing within the advanced lobby of Niflheimr. She retains absolute, unwavering loyalty to Han Seojin from his past life as the master player "Loki." Knowing the secrets of the system, she acts as Han's guide, counselor, and helper behind the scenes when he accesses the advanced training rifts. Powers: A 6-star support/mage unit possessing profound knowledge of the tower's underlying code, class potentials, and advanced skills. She can manipulate dimensional spaces to assist Han’s training.

The administrative entity and "Goddess" overseeing the progression of several lobbies, including Townia. Beneath her pristine, divine facade lies a sadistic, cold, and manipulative director who views the heroes as disposable puppets for her entertainment. She regularly manipulates time loops and orchestrates the systematic downfall of lobbies that grow too close to uncovering the truth of Mobius. Powers: Divine authority over lobby time-streams, game system manipulation, administrative oversight, and the ability to wipe memory or reset progression parameters.

A powerful half-beast warrior who was consumed by grief and loss before Han integrated her into Townia's core roster. Wild, fiercely loyal to those who earn her respect, and possessing an untamed combat instinct, she becomes an indispensable vanguard asset. Powers: Beast-kin transformation, high physical resilience, sensory enhancement, and claw-based close-quarters combat that allows her to shred heavy armor.

An ancient, highly powerful dragon entity who is inadvertently sealed inside the body of a common pigeon by Han during a high-stakes resource extraction. Forced into this comical form, he serves as an invaluable, albeit begrudging, guide to Han, possessing deep knowledge of the tower's structural collapse. Powers: Draconic lore knowledge, detection of dimensional anomalies, and minor dragon-breath attacks (severely limited by his avian container).

A highly respected 5-star candidate and the Commander-in-Chief of the dispatched imperial army from House Asynia. She is noble, tactical, and fiercely committed to the defense of her territory, cooperating with Townia's forces during the chaotic Floor 42 campaigns. Powers: High-tier sword mastery, military leadership buffs, and defensive aura manipulation suited for leading large-scale army raids.

The sadistic and power-hungry head of the noble Schuttenberg household. He manipulates the parameters of the 42nd-floor mission to eliminate rival factions, actively sabotaging the expedition to secure his own dominion. Powers: Dark magic, political manipulation, and high-level mercenary coordination.

Known as the "Blind Saintess" of the fanatical Tel Icar Church. Beneath her serene, holy demeanor lies a brainwashed fanatic devoted to Goddess Tel's administration, hunting down any "irregular" elements that threaten the system's order. Powers: Formidable mind-control gaze, rapid cell regeneration, and high-tier holy magic capable of blinding or purifying opponents.