The undead could ignore just about any form of mind-affecting effect. However, there were certain abilities that produced similar effects, but which were not counted as mind-affecting. That person had used such an ability.
Shalltear smiled, and said:
Thus satisfied, Shalltear vanished into a world of white.
Aura dispelled her skill 「Sky Eye」, and her puckered pink lips returned to their original shape. There was a look of annoyance on her face as she began scolding someone who was not there.
So apparently she has a skill that's similar to mind affecting but does not count, I want to know what is that skill.