He's not visibly injured, beyond the scratches and scrapes you might expect from someone unprepared to be roughing it in the woods. He does seem to favor one leg a little when he walks, but if asked, he says he's always done that.

The food is accepted gratefully, though he pockets it instead of his obvious immediate urge to dig in right here and now.

When Randel asks what happened, Dennis steals another anxious glance around just to be safe, shaking his head a little. His response to 'what happened' seems to be, "I can't, I can't -" He goes on to imply that Randel's better off not knowing. Safer not knowing.