It was a fairly long way down the runnels to the new branch, and she'd find that her kobolds seemed to be superstitious about heading down the tunnel, watching fearfully from a safe distance, as she made her way down.<br/><br/>The breach in the wall was small, but as stated, lead into what looked like a man-made tunnel. A DC 24 Perception check will notice several symbols, scratched into the wall, about ten feet from the hole. Knowledge of Undercommon, or Linguistics DC 22 (+5 to the check for speaking Elven) will identify the symbols as being guide markers used by drow.