German, "dance of the dead". Equivalent of the French phrase "danse macabre" -- a reminder that everyone must die.
鏡中的花，水裡的月 (jìng zhòng dì huā, shuǐ lǐ de yuè)
This tale has been pilfered from Royal Road. If found on Amazon, kindly file a report.Chinese, "a flower seen in the mirror, the moon on the water''s surface". Idiom meaning a beautiful but unobtainable dream.