Chapter 306 - Chapter 306 - Capture 

Mira before appearing in front of them uses her power to control those 6 Warriors from the dark association. The elder of the dark association was only a peak A-grade warrior, while those 5 warriors were early A-grade warriors. So you can say that Mira did not have that much problem controlling their body using her mind control. Because of this, suddenly those 6 Warriors from the dark association were unable to move or do anything. Right now, even if they wanted to suicide so that the warrior association unable to know anything, they won't be able to do anything. None of them have the strength to even move their lips.