Temple of the Dragon's Eye

From publisher blurb: A powerful magical gem in the socket of a dragon skull, guarded in a fiery cavern A printable battlemap compatible with any RPG/Dungeon-Crawl game. Use as a standalone gameboard, or combine with any same-scale tileset. Contents: A 30 x 30 map depicting a fortified lava cavern and dungeon, with a large ruby in the socket of a dragon skull. Palisade fences, barricades and watchtowers protect the approach to the gem.