Yang Jingshen who was now feeling much calmer gradually began to realize that this was indeed a better bargain than what he aimed for at first. Though this skill 'Trickster's giggles' didn't look like much at first glance, it was in fact a good crowd control technique.
Increasing the fear of your enemies might not seem like something that could make much difference, but in fact, it could have an astounding effect. After all, fear can totally confuse a person's judgement and make them behave completely out of character. Even a little bit of fear could do this.
Though the skill had many restrictions like it could only be used for a limited area and within a limited time span, as well as only on people whose souls weren't above orange/1, these conditions in fact couldn't be considered that restrictive.