KJV: These have power to shut heaven, that it rain not in the days of their prophecy: and have power over waters to turn them to blood, and to smite the earth with all plagues, as often as they will.
NASB: These have the power to shut up the sky, so that rain will not fall during the days of their prophesying; and they have power over the waters to turn them into blood, and to strike the earth with every plague, as often as they desire.
KJV: And they that dwell upon the earth shall rejoice over them, and make merry, and shall send gifts one to another; because these two prophets tormented them that dwelt on the earth.
NASB: And those who dwell on the earth will rejoice over them and celebrate; and they will send gifts to one another, because these two prophets tormented those who dwell on the earth.
KJV: And it was given unto him to make war with the saints, and to overcome them: and power was given him over all kindreds, and tongues, and nations.
NASB: It was also given to him to make war with the saints and to overcome them, and authority over every tribe and people and tongue and nation was given to him.
KJV: And another angel came out from the altar, which had power over fire; and cried with a loud cry to him that had the sharp sickle, saying, Thrust in thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are fully ripe.
NASB: Then another angel, the one who has power over fire, came out from the altar; and he called with a loud voice to him who had the sharp sickle, saying, "Put in your sharp sickle and gather the clusters from the vine of the earth, because her grapes are ripe."
KJV: And men were scorched with great heat, and blasphemed the name of God, which hath power over these plagues: and they repented not to give him glory.
NASB: Men were scorched with fierce heat; and they blasphemed the name of God who has the power over these plagues, and they did not repent so as to give Him glory.
KJV: And the kings of the earth, who have committed fornication and lived deliciously with her, shall bewail her, and lament for her, when they shall see the smoke of her burning,
NASB: "And the kings of the earth, who committed acts of immorality and lived sensuously with her, will weep and lament over her when they see the smoke of her burning,