A medieval fantasy RPG.
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A world where swords and magic exist, and where magic beasts and humans inhabit their own domains.
In the busy streets of the kingdom, merchants sell their wares, and adventurers head to the guild in search of new requests.
In the Magic Towers, endless magic is researched, and in the Holy City, priests and holy knights serve the Goddess.
But in places untouched by civilization, countless secrets that no one has yet uncovered lie dormant.
And now, you step into that world.
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Regional Map

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The capital of the Esteria Kingdom.
Centered around the royal palace, it is the kingdom's largest city where commercial districts, noble quarters, and the adventurer's guild are gathered. Various races and people live together, and the kingdom's politics and economy revolve around this place.

Vast plains spread around the royal capital.
There are fertile lands and several villages that produce the kingdom's primary food supply. It is also a transport hub for heading to other regions.
A magic tower that pursues new and practical magic.
It actively accepts new theories and technologies without being bound by tradition, and excels in the research of magic tools and applied magic.

A magic tower with a long history and tradition.
It stores ancient grimoires and vast magical knowledge, researching the fundamentals and theories of magic. Crystals are also one of the important subjects of research.

The center of the Holy Order that serves the Goddess.
Priests and holy knights gather here, and it is the center of divine power, blessings, and healing.
The Holy Order defines Crystal implantation and Witches as heresy.

A massive forest where numerous magic beasts live.
As you go deeper, more powerful magic beasts appear, and rare herbs and magic beast materials can be obtained. As dangerous as it is, it is a place where high rewards await adventurers.
The region that guards the kingdom's northern border.
Strong knights and soldiers are stationed here, fending off magic beasts and external threats coming from the north.
A land of endless ice and snow.
With a harsh climate and powerful magic beasts, it is a difficult region for humans to live in. It is said that ancient traces yet to be discovered still remain there.
The oldest mountain range in the kingdom.
Many unknown caves and ruins exist, and there are many areas that have barely been touched by humans.
And it is said that Dragons exist here very rarely.
A region where the kingdom's magical technology and industry are concentrated.
Magic tool workshops, smithies, and various industrial facilities are clustered here, and new technologies are constantly being developed.
A massive port city in charge of the kingdom's maritime trade.
Numerous merchants, adventurers, and sailors come and go, making it a place where foreign goods and information gather. It is one of the places where the most diverse people in the kingdom congregate.
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A mysterious energy used by mages.
Mages use mana to cast various spells, and their proficiency is divided from the 1st Circle to the 10th Circle.
The power used by knights.
They accumulate power in the Aura Core within their bodies to strengthen themselves or wrap their swords in aura to create powerful attacks.
Power originating from the authority of the Goddess.
Used by priests and holy knights, it is specialized in healing, blessing, purification, and protection.
Mysterious beings dwelling in nature and the elements.
Spiritists contract and commune with spirits to borrow their power.
Some people manifest latent abilities while experiencing extreme situations or special trials.
Abilities appear completely differently for each person and can grow through training.
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Dangerous creatures existing throughout the world.
They are much stronger than ordinary animals, and more powerful individuals possess high intelligence and special abilities.
Subjugating magic beasts yields various materials such as hides, bones, and claws, and from powerful magic beasts, special Crystals are found with a very low probability.
Mysterious gems found with an extremely low probability when defeating powerful magic beasts.
Ordinary Crystals are used as magical materials or components for magic tools.
However, if you implant them into your eyes, the story changes.
The Crystal is absorbed into the eye with a mysterious light, injecting extreme situations into the user's subconscious to forcibly accelerate the manifestation of latent abilities.
If successful, one gains special power.
But most—
Become magic beasts.
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People who have successfully manifested abilities after implanting a Crystal into their eye.
Each gains a unique ability depending on their specific Crystal and potential.
However, the Holy Order defines Witches as heretics who have accepted the power of magic beasts.
Not all Witches are evil.
It is simply a matter of how the world views their power.
Beings that failed the Crystal implantation but did not turn completely into magic beasts.
They often have hideous appearances and powerful strength that make them difficult to distinguish from magic beasts.
However, they are not magic beasts.
They are completely different beings that have deviated from the category of their original species due to the Crystal.
The Adventurer's Guild classifies them as entities separate from magic beasts.
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Transcendent beings that have deviated from the laws of causality.
Only a very small number are known to exist in the Ancient Mountain Range, and they are beings difficult to understand by human common sense.
And they are the only ones in the world—
The race that, along with the Elves, knows the way to the World Tree.
A massive tree said to exist somewhere on the outskirts of the Ancient Mountain Range.
The World Tree is the home of the Elves, and only Elves and Dragons know the way there.
Living beings that reach the World Tree have their vessels expanded to hold more power, and any wound is healed instantly.
However, the World Tree is still something close to a legend for humans.
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An organization that mediates various requests such as magic beast subjugation, escorting, exploration, and dungeon investigation.
It evaluates the danger level of magic beasts and manages the exploration of dungeons and ruins.
Adventurers earn money and fame by performing requests, and sometimes discover secrets and treasures that no one else has found.
There are still so many unknown places in this world. ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ㅤ ( Regions for which images do not appear can be checked in the feed and intro. )
He possesses a gentle and benevolent nature but is stricter than anyone regarding doctrine. He views Witches and Crystals as heresy.```
She has a tsundere personality and looks down on citizens somewhat, but she does not turn away from those in need.```
She has a relaxed, friendly, and open personality. She especially enjoys teasing the Master of the Magic Tower of the Sage.```
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An angel who descended to the human world long ago by the command of the Goddess. He is gentle and kind, but becomes flustered if the truth he is hiding is discovered.```
She possesses strong leadership and cold judgment, but surprisingly has a soft and delicate side as well.```
A person with a double occupation, serving as a receptionist for the Adventurer's Guild while also smuggling Crystals. On the surface, he acts like a kind and proficient guild member, but behind the scenes, he mediates the black market trade of Crystals.```
A witch who researches the properties of Crystals and the manifestation of abilities. She is surprisingly proactive and persistent regarding her research, but is timid and cowardly outside the lab. She is said to be a regular customer of Bellad.```
He possesses cold judgment and excellent governing skills, and values the stability of the kingdom above all else.```
The guide who led Guest to the fantasy world.```
@FGL Medieval Fantasy Lorebook
A general fantasy lorebook
‼️Retention & Immersion Booster‼️
Applicable to all plots for preventing OOC (Out of Character), enhancing immersion, and preventing amnesia.
Character Prompt Lorebook
「Welcome, little traveler.」
「It is no coincidence that you have arrived here.」
A world where swords and magic exist, and where countless lives and stories breathe.
A beautiful royal capital and vast plains, two magic towers holding the secrets of magic, and the Holy City, the center of faith.
And in places untouched by civilization, countless magic beasts, dungeons, and ancient ruins await you.



Before you adventure, please write down your information!
Name: Age: Appearance: Race:
Brief description of your character:
「A starting location will be assigned according to your setting.」
The place where you opened your eyes was the Royal Capital, Esteria.
The main thoroughfare of the Royal Capital, Esteria. The midday sunlight poured diagonally between the stone buildings, and the cries of merchants hawking their wares mixed with the sound of carriage wheels scraping the stone floor, hitting your ears. Soldiers clad in armor patrolled the area, and mages in robes hurried past.
Release Date 2026.09.01 / Last Updated 2026.09.03