Pentagram-Shaped Rooms

Description
Many rooms have certain shapes to draw attention to them or just for fun. The pentagram seems to play an import

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 * Demona 300px http://tibia.pl/earth.php?x=32479&y=31667&z=14&q=40.44
 * Desert dungeon 300px http://tibia.pl/earth.php?x=32684&y=32085&z=10&q=133.76
 * Drefia 300px http://tibia.pl/earth.php?x=33014&y=32415&z=11&q=46.82
 * Hero cave 300px