strange occurrence

Exploration Stage: Crystal Mine
From: Kira Woodville
Description: Could the unidentified thief be the mysterious creature spoken of in urban legends, the master of the dungeon? A woman who was the victim of a theft said the culprit stole a basket full of bread. Look for it in the mine!
Completed: So you found the stolen bread basket! The funny thing is, the bread inside was left nearby with no signs of having been eaten. Instead, the basket is full of crystals. According to the urban legend of the dungeon lord, they feed only on stones. Apparently, the culprit is in the vicinity.