This is an embedding merge of the line: <'interior chamber'*0.1934 + 'underground dungeon'*0.2618 + 'stone tomb'*0.1218 + 'rock temple'*0.2644 + 'tunnel lair'*0.1585 + 'bright window'*-0.1527 + 'doorway sky'*-0.1722 + 'tourist nature'*-0.1751>
Produced via hand pseudo-training. IE, automatically produce large numbers of variants, generate images, choose the images I like and use that as the seed for the next generation, repeat.
It combines a number of concepts related to interiors, dungeons, and the underground.