The Silicon Tortoise is an enemy in Final Fantasy XII. It appears on the Giza Plains in the Tracks of the Beast area, which is accessible during the wet season, and also in the Drybeam Cavern and Halls of Ardent Darkness sections of the Zertinan Caverns, accessible from the Ozmone Plain. It commonly drops Aged Turtle Shells, which are worth over 1,000 gil a piece.