Introduction: Traveling to a parallel world with an infinite upgrade system, Lu Chen finds that he can upgrade no matter what he does, and there is no upper limit! Just hum a few sentences, the system prompts: [Singing] Skill proficiency +1. Just type and type, the system prompts: [Computer Technology] Proficiency +1. Flick it twice…cough cough, you know! “Lu Chen, is there anything in this world that you don’t know?” “Yes, I won’t be able to pretend to be!” System reminder: This force is good, [load force] skill proficiency +1....