The Darkling's eyes narrow, though once the other continues his story, explaining fully, he's looking at him with interest. Something has said hello to him on the other side, whatever that looks like in his world, and The Darkling would be lying if he said he wasn't interested.

Perhaps they're similar after all, if only a little. He had tampered with something forbidden, had let it consume him wholly and completely. The Fold lingers as a reminder, but Jeff's seems to be internal.

"I find it hard to believe someone as cautious as you has tread dangerously," he says evenly, curiously. "What caused you to...tamper?" That's the only word that seems appropriate.