Xuèjǐng slowly stopped his steps and panted slightly.,For example, "Running." After activating this skill a month ago, he only took half a month to raise it to Lv3. His time improved from the original 3 minutes and 42 seconds for one kilometer to 2 minutes and 36 seconds.,Under the premise that there was not much effort and without guidance from professionals, it is impossible to achieve such progress.。