Light Of Arad: Forerunner

i was summoned to undo the corruption in arad…? jinsung is a user who has dedicated his life to dungeon & fighter. he was summoned by the transcendent, nemyr, to act as her forging tong. [you shall become my forging tong to guide the blade through its trials.] “i'll become a fire tong or whatever. i'm going to survive in arad no matter what!” will jinsung, a veteran player of dungeon & fighter, be able to fulfill his given duties and return to his reality? thus begins the story of the dark knight jinsung to stop the end of arad!