In the Tamana District, Kumamoto Prefecture, it is a mysterious fire that would fall from the heavens and has a size about that of a paper lantern, and it is said that a conflagration results when it falls on the roof of a house [REF].
It is said that tenka were once thought of as a type of vengeful spirit (onryō), and in the document on folk customs "Amakusatō Minzokushi" from the Amakusa islands, Kumamoto Prefecture, there is the following legend.