[hider=Episode 7 spoiler]
They are still rather inconsistent though. Sometimes they can take some strong attacks without a shield and other times a small frag grenade can almost completely incapacitate Rentaro lol. He is even held down by a few normal humans even though he is pretty strong. Plus we know not all of them can make those barriers. Like I said it really depends. Even Rentaro with his hightened senses wasn't doing to well against Tina.[/hider]