Revelation 9:2; Exodus 10:21

He opened the shaft of the bottomless pit, and from the shaft trose smoke like the smoke of a great furnace, and uthe sun and the air were darkened with the smoke from the shaft.


The Ninth Plague: Darkness

21 Then the Lord said to Moses, lStretch out your hand toward heaven, that there may be mdarkness over the land of Egypt, a darkness to be felt.