Refugees+
It was a dark matter experiment by a mon misguided scientist. We tried to stop it, but we failed to shut it down in time, and we were too close to ground zero.
Farther down was hell. Or close enough to it. The person who knew the most about it was possessed by an entity that was obsessed with vengeance, so he had some credibility. And his head turned into a skull and caught fire.
That's one ability we never encountered, unless you count R the Ghost Rider.
I have access to the lab, but I used up my sample.