Race

"What do you mean by it!?" Casper was exasperated. Everything seemed to be going wrong again. He was striving just to keep his mind away from the past events, and the many losses they had, but now something even more dangerous appeared. 

"It means exactly what I say! Something or someone is stopping me! There is a kind of barrier that's limiting me to make contact with them." 

"… Are you sure that it's not because you are tired, Ragnar?" Casper asked, just to release conscience. 

"Yeah, I am sure. I would know if I am too tired to even speak to them through telepathy. Also, Berserker is still making effect on us, so I will not stop to use my quirk until I faint." 

Ragnar presented an irrefutable point. In fact, the drug was affecting most of the prisoners. There was no way that someone under Berserker's symptoms would run out of gas like a normal human. 

"So… What can be stopping you? Do you have any idea?"