Heavenly Inquisition Sword / 구천구검 / Gucheongugeom / La Espada de la Inquisición Celestial / Heavenly Inquisition Sword (Nine Heavens Swordmaster) / Nine Heavens Swordmaster / Pedang Inkuisisi Surgawi

Heavenly Inquisition Sword (also known as Nine Heavens Swordmaster) is a top-tier masterpiece of the "Murim" and "Martial Arts" genres, highly praised across the global manhwa community for its emotional character development and majestic sword choreography. The series has captivated a massive audience by taking the classic trope of an abused, overlooked protagonist and transforming it into a deeply satisfying tale of absolute resurgence. Renowned for its raw depiction of grief and the uncompromisingly brutal reality of the martial world, this series stands as a definitive "Weak-to-Strong" epic where the blade is used not just for combat, but as an instrument of absolute celestial justice.

The story follows Yeon Jeok-ha, the son of a prominent martial arts master who is born out of wedlock. Following his father’s untimely passing, he is cruelly persecuted by his stepmother and locked away in a tiny, pitch-black warehouse for several agonizing years. On the brink of despair and madness, Jeok-ha discovers a hidden, ancient legacy left behind in his prison cell—the supreme martial art known as the Nine Heavens Sword (Gucheon Gugeom). Through intense meditation and years of solitary practice in absolute darkness, he masters the mystical technique. When he finally breaks free from his chains, Jeok-ha steps into the light as a devastating new force ready to shatter the corrupt factions that ruined his life.

Genres: Action, Adventure, Fantasy, Martial Arts, Shonen