Rosaline

Biodata

Feature	Details
Name	Rosaline Shien
Alias(es)	Rosalyn Shien; Legendary Mage; Second Generation Demon King; Supreme Demon King; Co-Ruler of Humans and Demons; God of Truth and Magic
Species/Race	Human
Gender	Female
Affiliation	Ivette's disciple; Pan-Human Alliance; demon race; Academy of Truth
Occupation/Role	Mage; later Supreme Commander of the Pan-Human Alliance and ruler of the demon race
Status	Deceased; ascended to godhood and perished alongside the Witch of Finale to prevent the apocalypse 140
First Appearance	Chapter 13

Power Progression

Stage / Realm / Level	Chapter	Notes
Meditation initiate	14	Learned Ivette's Meditation Method and accepted a trial intended to test her aptitude and dedication for magic.
6 Mana Points	15	Reached 6 Mana Points after half a year of meditation—far exceeding Ivette's early rate of progress—and was formally accepted as Ivette's disciple. She received a Sky Ring y2 casting ring.
45 Mana Points	28	Could use the physical-enhancement spells Scarlet Armor and Muscle Unlimit, though each originally cost 20 Mana Points and limited her remaining spell use.
81 Mana Points	36	Managed her mana carefully while using Scarlet Armor and Muscle Unlimit in the Corrupted Forest, relying heavily on swordsmanship against the Shepherd Sheep.
Legendary Mage	66	Became known across the Radiant Continent as the Legendary Mage Rosalyn Shien; her legend credits the Silver Witch with saving and training her in the Land of Finale.
Demigod → true god	140	During the battle against the Witch of Finale, broke through her mortal limits, ascended to true godhood, and sacrificed herself to stop the apocalypse.

Background

Rosaline was born the daughter of Count Sien of the Kingdom of Eton, giving her access to knowledge of the Aurora Belt and the Remnant Abyss. During a demon invasion, she entered a Remnant Abyss and arrived in the Land of Finale, where she met Ivette on Ish Island at around ten years old 13 14.

Initially frightened but fascinated by Ivette's instantaneous spellcasting, Rosaline gradually trusted her and asked to study magic. Ivette taught her meditation as a test of aptitude; Rosaline devoted herself to practice and demonstrated extraordinary talent, reaching 6 Mana Points within half a year. Ivette formally accepted her as a disciple and gave her a Sky Ring y2 for spellcasting and self-defense 14 15.

Over the following years, Rosaline developed from a sheltered noble girl into an independent wasteland explorer. She learned rune arts, fought Aberrations, studied swordsmanship, maintained the manor, and assisted Ivette's investigations of Ish Island and the Abyss Base. By sixteen, she was trusted to survey locations beyond Ish City, record Aberration behavior, and defend herself with magic and an Alloy Combat Blade 29 30.

Rosaline and Ivette survived the Mother Nest conflict together. When Ivette was critically wounded and mutated by Aberration factors, Rosaline refused to abandon her, remaining at her teacher's side despite believing they might both die. Afterward, she became Ivette's swordsmanship instructor while continuing her own rune studies 39 41 44.

At twenty-two, Rosaline used a newly appeared Remnant Abyss to return to the Radiant Continent. She left letters for Ivette, promised to return, and carried her casting ring, battle blade, flying board, and a Magic Light Vine flower from her teacher 46 47.

After returning home, Rosaline rose to prominence as the Supreme Commander of the Pan-Human Alliance. She defeated the First Generation Demon King's forces, slew the Demon God's proxy, and became the Second Generation Demon King. As the Co-Ruler of Humans and Demons, she promoted trade, racial equality, and food security through Nature magic, while founding the Academy of Truth for students of all races 140.

When the Witch of Finale descended upon the world, Rosaline ascended from demigodhood to true godhood in battle. She died together with the Witch of Finale, preventing the apocalypse; afterward, the Eastern and Western Continents revered her as the God of Truth and Magic 140.

Appearance

Rosaline is a blonde human woman whose appearance matures substantially over the course of the story, from a petite noble girl to a composed and sophisticated mage.

• At age twelve, she stood over 1.55 meters tall and wore practical explorer's clothing 16.
• At sixteen, she was nearly 1.7 meters tall, with a calmer expression reminiscent of Ivette but a more lively presence 30.
• She commonly wears blue-and-white or blue mage robes and later adopts gold-rimmed glasses made by Ivette despite not being nearsighted 18 45.
• At twenty-two, she is described as a mature, alluring woman with blonde hair, high heels, and gold-rimmed glasses 45.

Personality

Rosaline is earnest, polite, and intensely curious. As a child, she is awed by unfamiliar technology and magic, readily asks questions, and approaches Ivette with admiration bordering on reverence 13 18.

She is compassionate and emotionally responsive to injustice. Her friendships with Hans and Mary expose her to the cruelty beneath the dream world's prosperity, and she struggles to accept the destruction of the Hoffmann family despite its legal basis 22 26. She also dislikes needless harm to animals, burying creatures killed by the manor's electrified defenses 28.

Though sometimes proud and reckless, Rosaline learns caution through experience. She initially believes her escape from gangsters was flawless, but later accepts Ivette's criticism and becomes a careful, capable explorer who uses counter-surveillance and respects prohibited zones 25 30 31.

Her defining trait is loyalty. She refuses to leave Ivette behind during the Mother Nest battle, accepts her teacher's mutation without fear, and later promises to return after going home through the Remnant Abyss 39 40 46.

Abilities & Skills

Rune Magic

Rosaline is an exceptionally talented mage trained personally by Ivette. Her spell access and training distinguish her from ordinary novice mages, who must purchase most legal spell arts 15 24.

• Uses elemental techniques including freezing, fire magic, wind control, and simple water magic 16 24 30.
• Used Wind Control to create a barrier, propel a flying board, and cover an escape from armed gangsters 24.
• Can cast Flame Dance as suppressive fire, though her version was initially weaker than Ivette's 24.
• Received the medium spell formations Regeneration Pump, Scarlet Armor, and Muscle Unlimit from Ivette 28.

Physical Enhancement

Scarlet Armor and Muscle Unlimit allow Rosaline to fight at close range against Aberrations.

• Scarlet Armor enhances and protects her body; its optimized version also covers her clothing 28 29.
• Muscle Unlimit improves strength, stamina, and reaction speed 28.
• The combination originally consumed 40 Mana Points for roughly ten minutes, forcing Rosaline to ration magic in prolonged combat 28 36.

Swordsmanship and Close-Quarters Combat

Rosaline underwent intensive training with military-grade weapons and became highly skilled in close combat.

• Uses an Alloy Combat Blade to defeat Aberrations, including Tide Worms and the Shepherd Sheep 30 36.
• Her blade can activate High-Frequency Oscillation and High-Voltage Current 31.
• Her martial ability later becomes sufficient for Ivette to learn swordsmanship and cold-weapon combat from her 41 44.

Exploration and Aberration Research

Rosaline is an experienced wasteland explorer and observer.

• Surveys dangerous ruins independently and records Aberration habitats, anatomy, behavior, and attack methods for Ivette 30.
• Recognized the intelligence and strategic behavior of the Twin-Blade Demon after surviving its ambush 31.
• Investigated the Abyss Base alongside Ivette, helping uncover records connected to the Eternal Life Project and Divine Molt 43 44.

Nature Magic and Leadership

As Supreme Demon King, Rosaline used Nature magic to address food shortages in the Demon Abyss Continent. Her rule promoted trade, equal coexistence among races, and broad access to education through the Academy of Truth 140.

Equipment

• Sky Ring y2 — Magic Guide Terminal given by Ivette after Rosaline passed her early cultivation test; it can store high-spec spells for instant mental activation 15.
• Alloy Combat Blade — Military-grade weapon used for Aberration hunting and close-quarters combat 29 30.
• Magic-guided skateboard / flying board — Used for travel, exploration, and rapid escape 30 46.
• Gold-rimmed glasses — Crafted by Ivette when Rosaline was nineteen; worn at Ivette's preference rather than out of medical need 45.
• Magic Light Vine flower — A rare flower pinned to her mage robe before her departure from Ish Island 46.

Relationships

• Ivette — Teacher, protector, and later student in swordsmanship. Their bond develops into a family-like relationship built on mutual trust and loyalty 15 39 41 44.
• Count Sien — Father and a top-tier noble of the Kingdom of Eton. He gave Rosaline's sole opportunity to study under the kingdom's mages to her elder brother, who fought demons on the front line 13 14.
• Hans and Mary Hoffmann — Her first friends after arriving in the dream world. Rosaline cared deeply about their family's collapse and loss of opportunity 22 26.
• Lant Quinn — A demon youth who reveres Rosaline as the previous Supreme Demon King and recounts her history to Ivette 140.
• Dugrabi — A dragon who confirms that Rosaline was alive and living in seclusion at the Academy of Truth before later events revealed her death 66.

Notable Quotes

“Can I learn magic from you?” 14

“I will definitely, definitely come back.” 46

Trivia

• Rosaline is more frightened by ghosts and spirits than by Aberrations 36 45.
• She became the practical caretaker of the manor, handling cooking, laundry, farming, and organization during Ivette's frequent neglect of domestic chores 45.
• Her later legend portrays Ivette as the benevolent “Silver Witch” who saved and trained her in the Land of Finale 66.