The Legend of the Demon Martial Emperor: An Isekai Cultivation Adventure - The Legend of the Demon Martial Emperor, #9

In the Yi family of Hongcheng city, Yi An was an insignificant member, but after his father's disappearance, Yi An and his mother suffered bullying. Until three years ago, when an accident occurred, the real Yi An ceased to exist. The current Yi An is actually a devil cultivator who has crossed over from another world. After three years of tempering, he rose from the ruins. With the body of a devil cultivator, he broke free from his shackles and looked down upon all others...
A young devil cultivator, reborn into this other world. Here, his brilliance soars again. No devil is too formidable, no devil too fearsome...   ---  "Proprietor, the food is ready."The chef soon finished preparing the food and remembered the proprietor's instructions to inform him when it was ready. The proprietor went inside and retrieved the small black package. He knew what deadly poison it contained without even looking, and while he was nervous, he spilled a little on his hand."I'm finished.
I'm going to die."The proprietor hurriedly tried to remove the black powder from his hand, but to no avail. It clung to his skin and seeped into his marrow like a clinging poison.