Thousand Mirrors Tower

My name is Lu Yanzhi, and I was pulled into a place called "Ten Thousand Mirrors Tower". There is no exit here, only endless copies. You can survive if you pass the level, but you will die if you fail. Death is not the end - the soul will be damaged. If you save it seven times, it will be difficult for gods to save you. When I first came in, I was ranked at the bottom, my skills hadn't been awakened, and the only clue I had was a wooden sign that I didn't know where it came from. It has my name engraved on it. Later I discovered that every one of the top ten monsters in the tower could easily crush me. And me? I have nothing. But I survived. More than survived. I climbed up step by step until I reached the source of all copies and discovered a hidden truth——