In a world where power is forged through mystical sigils, Sanctum Academy stands as the proving ground for aspiring legendary blacksmiths. Lucien Ashthorn, a young man without talent and burdened by a dark past, enters the academy—not to become the strongest, but to search for something he lost long ago: a reason to keep going.

But Sanctum is far from forgiving. Ruthless competition, hidden truths, and the looming horror of the "Abyssal Labyrinth" lurk within its walls.

While others fight desperately to rise to the top, Lucien drifts aimlessly, caught in the current of uncertainty—like a paper boat floating downstream, slowly growing fragile. Will it sink into oblivion or endure until the journey’s end?

Before diving into this story, make sure to read these important details to enhance your reading experience!


Mana is the pure energy that flows within every individual, serving as the primary source for all forms of abilities and body enhancements. This energy moves through special pathways in the body called Veinflow. A person's mana capacity determines their potential and limitations in both smithing and combat. With training and deeper understanding, one can strengthen their control over mana, allowing for more efficient and effective usage. Mana capacity can be increased through training or by using special items and techniques.


Within all living beings exists an energy core that acts as a catalyst for mana flow, known as a Core. For humans and creatures outside the Abyssal Labyrinth, this core is called a Mana Core, while for Spirits, it is called a Spirit Core.


When the owner of a Mana Core dies, the energy stored within gradually dissipates and returns to nature. However, when a Spirit dies, the mana left in its body condenses into a physical crystal, which can be used in the forging process.


Blacksmiths possess a unique ability to solidify their mana outside of Veinflow, forming a special hammer known as the Sigil Hammer. Unlike regular forging tools, only a Sigil Hammer is capable of forging Spirit Cores.


A blacksmith can only forge Spirit Cores that match their own Sigil type.


A unique weapon forged from a Spirit Core, possessing special abilities based on the type of Spirit used and the skill of the blacksmith who forges it.


A skill that is not forged into a physical object but instead engraved directly onto the Sigil Hammer of the user. This technique becomes a part of their Mana Core, making it personal and usable only by its owner.


A blacksmith's rank is determined by their overall capabilities, including mana capacity, forging skill, combat proficiency, and achievements.


The danger level of a Spirit is measured based on its mana capacity, intelligence, and overall destructive potential.


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