Open World: at Full Level at the Beginning, Kill the BOSS with a Knife

As soon as I started, I was already maxed out. A knife can cut down the BOSS. In order not to become a research subject. You can only hide yourself. Qing Mimi makes money and becomes stronger. When everyone was still charging high prices for low-level medicine and techniques, I've already tortured the BOSS in the abyss. One year later, why haven't you been promoted yet? What should I do with these top-notch equipment, medicine, and techniques? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.