“See, the day is coming, burning like an oven, when all the arrogant and all evildoers will be stubble; the day that comes shall burn them up, says the LORD of hosts, so that it will leave them neither root nor branch. But for you who revere my name the sun of righteousness shall rise, with healing in its wings. You shall go out leaping like calves from the stall. And you shall tread down the wicked, for they will be ashes under the soles of your feet, on the day when I act, says the LORD of hosts.”
(Malachi 4:1-3, NRSV)
The imagery of destruction here is ashes -> the effect of a person being burned up, consumed by fire, taken out of existence.