GOD'S WORD® Translation
When the witnesses finish their testimony, the beast which comes from the bottomless pit will fight them, conquer them, and kill them.

American Standard Version
And when they shall have finished their testimony, the beast that cometh up out of the abyss shall make war with them, and overcome them, and kill them.

Berean Study Bible
When the two witnesses have finished their testimony, the beast that comes up from the Abyss will wage war with them, and will overpower and kill them.

Douay-Rheims Bible
And when they shall have finished their testimony, the beast, that ascendeth out of the abyss, shall make war against them, and shall overcome them, and kill them.

English Revised Version
And when they shall have finished their testimony, the beast that cometh up out of the abyss shall make war with them, and overcome them, and kill them.

King James Bible
And when they shall have finished their testimony, the beast that ascendeth out of the bottomless pit shall make war against them, and shall overcome them, and kill them.

World English Bible
When they have finished their testimony, the beast that comes up out of the abyss will make war with them, and overcome them, and kill them.

Young's Literal Translation
'And when they may finish their testimony, the beast that is coming up out of the abyss shall make war with them, and overcome them, and kill them,

Revelation 11:7 Additional Translations ...