30 I will show wonders in the heavens and on the earth, blood and fire and billows of smoke.

Read Joel 2:30 Using Other Translations

And I will shew wonders in the heavens and in the earth, blood, and fire, and pillars of smoke.
"And I will show wonders in the heavens and on the earth, blood and fire and columns of smoke.
And I will cause wonders in the heavens and on the earth— blood and fire and columns of smoke.