[Chocolate milkshake in hand, Wolfram sits on the bench right next to Ashura. When asks that question, the blond shakes his head.] As far as I know, Conrad has no enemies whatsoever.
It occurred to me that he could have been attacked by the monsters that appear within the fog, however someone as skilled as Conrad would have easily defeated those kind of monsters. Which means it is high likely he was attacked by another inmate, nevertheless I have no I idea of who could have done that or why.