Xx Development System

Chen Fan traveled through time and space to this vast planet where the sun revolves around it. What does it mean to be a time traveler and a system cheat was discovered in three days? What does it mean that in a world where superpowers are rampant, you can only add some physical strength to yourself but not have any superpowers? What does it mean that the girl was accidentally crippled at the beginning and then relied on him?