that when he broke through, he would encounter a bottleneck like last time. That feeling of being unable to make an inch of progress and having no clue what to do drove him crazy, and it was likely to...g a mysterious seal script.Seeing this cipher, Qin Sang inexplicably felt a sense of familiarity.Just as Qin Sang was puzzled, Xuan Yu Dao Chang lightly threw out the secret letter, and then a sudden...