Lee Gwak, an ordinary military officer, was met with a terrible fate as he got involved with the celestial demon troupe and lost the ability to use any of his limbs.
In the depths of despair, a new hope dawned upon him. A martial arts that he once knew. He took his chances and put everything on the line by training in that martial arts and, by some miracle, was able to recover as he mastered it.
From then on, Lee Gwak aspired to live as a true warrior and not as an ordinary martial artist as once did.
(From KENAZ)

Original Novel:
KakaoPage, Naver Series, RIDI, Onestory, BookCube, MrBlue, Joara

Original Webtoon:
KakaoPage, Naver Series, MrBlue

Official Translations:
Japanese