Starting from the King of Fighters, We Beat the World Violently

Once I wake up and face everything unfamiliar, I always feel uneasy in my heart. Fortunately, there is a golden finger that all time travelers must bring, the system! "No, what use do I need from your system?!" Mo Xuan looked at the functions displayed by the system, and his heart was boiling. The Probing Eye can reveal basic information about others, but is limited to those who are weaker than you. The great time travel function requires enough fragments of time to travel to other worlds. There is no guarantee of time travel, so use it with caution. For mall transactions, the host currently does not have the right to use it. At this moment, Mo Xuan understood that there is no difference between having this system and not having it. It would be better to give me this martial arts secret book so that I can survive first...