Matthew 13:49-50
"So will it be at the end of the age. The angels will go forth and separate the wicked from the righteous, and fling them into the furnace of fire.
Matthew 25:41
"Then he will say to those also at his left hand. 'Depart from me, accursed ones, into the eternal fire prepared for the devil and his angels;
Mark 9:43-50
"If your hand cause you to stumble, cut it off! It is better to be maimed and to enter into life than to have two hands and go away into hell, into the fire that cannot be put out.
Hebrews 6:8
but if it produces thorns and thistles, it is considered worthless, and is in danger of being cursed, and its end will be to be burned.
Revelation 14:11
And the smoke of their torment ascends forever and ever; And they have no rest day or night, Who worship the beast and his image, And all who receive the brand of his name."