content: " get out of the way and let me in ! " cried the troll once more , and nearly burst with rage ; but the cat acted as though she did not hear him , and talked down the blue from the sky , and went up and down the while , and whenever the troll tried to come in , she met him beneath the door with the cake . " o , but do take a look at the shining maiden coming up there behind the mountain ! " said the cat , after she had talked at length about the sufferings of the rye . and helge - hal in the blue hill turned his three heads around in order to see the beautiful maiden , too . then the sun rose , and the troll stiffened into stone . now ebe obtained all the riches that the troll had possessed , the sheep and goats , the cows and all the spirited horses , and the handsome golden castle , and some big bags of money besides .
answer: he was left out in the sun .
question: why did the troll turn into stone ?
target: why did the troll turn into stone ?
references: why did the troll turn into stone ?