Revelation 11:7

7 Now when they have finished their testimony, the beast that comes up from the Abyss will attack them, and overpower and kill them.

Read Revelation 11:7 Using Other Translations

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.
And when they have finished their testimony, the beast that rises from the bottomless pitwill make war on them and conquer them and kill them,
When they complete their testimony, the beast that comes up out of the bottomless pit will declare war against them, and he will conquer them and kill them.