But as for the cowardly, the faithless, the polluted, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot shall be in the lake that burns with fire and sulphur, which is the second death Revelation 21:8
Another painful punishment of unbelievers will be getting dragged on their faces into Hell. God says:"Indeed, the criminals are in error and madness
"Taste ye then - for ye forgot the Meeting of this Day of yours, and We too will forget you - taste ye the Penalty of Eternity for your (evil) deeds!"
"In flaming fire taking vengeance on them that know not God and that obey not the gospel of our Lord Jesus Christ." —2nd Thessalonians 1:8