灰燼

かいじん
ash
embers
complete destruction

* * *

かいじん【灰燼】

ashes.

●灰燼に帰する be reduced to ashes; be incinerated; be consumed by fire; be burnt to the ground; be burnt to cinders.

●町は一瞬にして灰燼と化した. The town was reduced to ashes in a matter of seconds.