《太平广记·卷三百六十八·精怪一》
烧完了，勃都骨低的房廊门户全发出冤枉痛苦的声音，和烧皮袋时一样，一个多月之后，这种声音也没有停止。
焚讫，骨低房廊户牖，悉为冤痛之音，如焚袋时，月余日不止。
After they were burned, all of Batu Gulu's hallways and doors let out pitiful cries of suffering, the same as when the skin bags were burned, and even after more than a month, these cries did not cease.