And they shall know that I am the Lord, when I will have brought a fire into Egypt, and when all its helpers will have been worn away
Other versions
King James Version
And they shall know that I am the LORD, when I have set a fire in Egypt, and when all her helpers shall be destroyed. English Standard Version
Then they will know that I am the LORD, when I have set fire to Egypt, and all her helpers are broken.New International Version
Then they will know that I am the LORD, when I set fire to Egypt and all her helpers are crushed.