Su Bai travels through the world where everyone changes jobs and awakens to the most trashy life profession [Black Iron Blacksmith]. He originally wanted to open a shabby blacksmith shop in the countryside and wait to die, but unexpectedly, all the equipment he built became refined and involuted to the extreme! The scrap iron sword I made casually, feeling that I could not bring shame to the owner, flew into the abyss overnight to bathe in the blood of the demon dragon, and forcibly evolved into the mythical [World-Destroying Demonic Sword]; I made the broken wooden shield casually, and went to the border battlefield to be beaten severely in order to protect the owner, and absorbed thousands of magic and turned it into the [Absolute Defense Divine Wall]. Until one day, the Demon King of the Abyss came and laughed at humans for not having artifacts. Su Bai, who was taking a nap, was woken up. The pots and pans in his shop responsible for cutting vegetables and cooking rice instantly erupted into thousands of god-level beams of light, turning into artifacts that filled the sky and killed the devil on the spot! The full-level military boss looked at Su Bai, who was holding the star core as a footrest on the table, and knelt down with a plop, calling out to his senior. The green tea school beauty and the arrogant master came to provoke him, but he was instantly killed by pure physical suppression without even asking for the house number of the blacksmith shop. Looking at the courtyard full of artifacts protecting their masters and the big guys kneeling down to worship, Su Bai looked helpless while holding his rice bowl: "I'm really not a peerless expert, I'm just an ordinary blacksmith who wants to work quietly!"