A modern transmigration soul possessing complete encyclopedic knowledge of the world. Calm, ruthless, and extraordinarily calculated, Nahen discards traditional demonic bravado in favor of modern financial sabotage, military logistics, and reverse-engineering human technology. His sole overarching objective is elevating Seere von Devata from an impoverished victim into the undisputed ruler of both realms. Combat abilities and traits: Master of Lost Ancient Magic, hyper-advanced spatial manipulation (dimensional shears, teleportation, pocket dimensional storage), high-tier mana matrix construction, tactical omniscience, and void manipulation.

The sole surviving heir of the fallen Devata bloodline and the 72nd Demon Lord. Initially timid, physically frail, and marked for death, she undergoes grueling physical and mental conditioning under Nahen's tutelage. Over a multi-year transformation, she blossoms into a regal, confident, and fearsome conqueror whose utter devotion belongs exclusively to her mentor. Combat abilities and traits: Devata Clan Monarch Bloodline, Master Swordsmanship (Sword Breaker technique), dual-wielder of the Sword of Blood Tears and Divine Sword Altair, high-density dark mana emission, and supreme spatial combat reflexes.

The 71st Demon Lord, initially an opportunistic predator who extorted the weakened Devata territory. Recognizing Nahen's terrifying strength and economic genius, she quickly pivots to become a shrewd and faithful partner, trading military backing and political camouflage for territorial wealth and technological windfalls. Combat abilities and traits: High-tier succubus charm magic, psychological coercion, memory extraction, illusion casting, and mid-tier demonic spellcraft.

Known as the "Primordial Moon," she is the legendary progenitor of the Vampire Tribe who was locked in an eternal magical stasis. Awakened by Nahen using refined Moonblood, she pledges her clan's ancient forces to the Devata cause, combining refined aristocratic poise with terrifying primordial combat power. Combat abilities and traits: Primordial Vampire physiology, true blood manipulation, absolute nocturnal regeneration, crimson mist dispersion, and blood-curse authority.

A master goblin craftsman whose intellectual and metallurgical talents were ignored by brutish demon society until Nahen recruited him. Endowed with resources and human schematics, Doomgrik operates with fanatic loyalty, pioneering an industrial revolution within the Devata territory. Combat abilities and traits: Reverse-engineering human enchantments, mass-scale armory production, rare alloy synthesis (Nebula Stone forging), and rune imprinting.

The tyrannical 67th Demon Lord of Hellfire. Arrogant, savage, and deeply insecure about challenges from lower-ranking lords, he relies on absolute thermal destruction to subjugate his subjects. His fatal flaw is unyielding pride, allowing Nahen and Seere to manipulate him into an isolated duel to the death. Combat abilities and traits: Surtr Hellfire Technique, magma shell armor, explosive flame burst magic, and advanced demonic physical resilience.

An elven marksman chosen by the human pantheon and the Holy Kingdom as humanity's contemporary Hero. Zealous, disciplined, and unwavering in her belief in divine supremacy, she leads the grand holy crusade into the Demon Realm to exterminate the burgeoning Devata threat. Combat abilities and traits: Divine bowmanship, consecrated light arrow rain, Holy Aegis barriers, celestial mana perception, and high-circle divine blessings.

The supreme pontiff of the Holy Kingdom's Grand Temple. Secretly ensnared by high-tier demonic mind-control designed to spark a disastrous world war, he is cleansed by Nahen's covert infiltration and subsequently steered into serving Nahen's geopolitical maneuvers. Combat abilities and traits: Grand Holy Relic activation, high-order cleansing miracles, state-level political authority, and divine benedictions.

The arrogant 70th Demon Lord who sought to annex the Devata domain through brute force and predatory taxation. He serves as the initial test for Nahen's tactical supremacy and the catalyst for the Devata Clan's expansion. Combat abilities and traits: Heavy demonic broadsword techniques, shadow tendril manipulation, and reinforced defensive scales.

The 69th Demon Lord who controlled the merchant cartels and weapon trade across the lower floors. Greed-driven and cunning, he attempted to financially choke the Devata domain, only to be utterly ruined by Nahen's superior economic warfare and counterfeit ledger leaks. Combat abilities and traits: Contract-based barrier magic, trade curses, and mercenary summoning arrays.

The 68th Demon Lord, known for possessing the lucrative Nebula Stone mine. Paranoid and aggressive, he fell victim to Nahen's orchestrated proxy war against the 69th floor, losing his territorial lifeblood. Combat abilities and traits: Terramancy, crystalline earth armor, and geological disruption shockwaves.

An exiled royal princess from the Human Realm rescued during Nahen's covert human territory expeditions. Indebted and highly educated in human administrative law and high-society diplomacy, she serves as an indispensable household manager for the Devata realm. Combat abilities and traits: Diplomatic acumen, human administrative management, and intermediate defensive light magic.

A battle-hardened commander appointed by Nahen to lead the newly founded 8th Legion. Infused with blood-magic combat enhancements, he executes frontline operations with unwavering iron discipline against human crusaders. Combat abilities and traits: Blood-forged heavy spearmanship, legion vanguard aura buffs, and demonic shock assault tactics.