It was almost impossible to guess the weakness of a stranger.
Every human or creature's weakness was different. Unless God personally came, it was impossible to know what anyone's weakness was.
Furthermore, if Sweetie was really God, as God, even she couldn't identify the weakness of one's human nature, much less a mortal.
Although it was indeed effective to guess a person's weakness in human nature based on their actions and reactions, it was impossible to have enough opportunities to observe and understand the opponent in a real battle.
Not every powerful enemy was like Shangguan Jinhong, a powerful adversary that ended up losing to his weaker opponent, Li
Zhou Wen had previously wanted to interpret one's weakness in human nature through observation. This path couldn't be said to be wrong, but it was a very long path.
