Martial Arts: I Was Beaten into a Doughy Face at the Beginning

When I woke up from time traveling, my bones felt like they had been run over, and I was lying on a moldy wooden bed unable to move. The man next to me had a bloody strip of cloth stuffed in his nose and his face was swollen like fermented dough, but he was still telling me to save my energy. The blue data stream hung in the air and flickered, showing that his current identity was the lowest-level outsider of a certain gang. There was the sound of chains mopping the floor at the door, and someone was knocking on the door of each cell one by one.