KJV:
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
NASB:
being darkened in their understanding, excluded from the life of God because of the ignorance that is in them, because of the hardness of their heart;
KJV:
And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.
NASB:
He opened the bottomless pit, and smoke went up out of the pit, like the smoke of a great furnace; and the sun and the air were darkened by the smoke of the pit.
KJV:
And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,
NASB:
Then the fifth angel poured out his bowl on the throne of the beast, and his kingdom became darkened; and they gnawed their tongues because of pain,