(18:97) So Gog and Magog were unable to pass over it, nor were they able [to effect] in it any penetration. (18:98) [Dhul-Qarnayn] said, "This is a mercy from my Lord; but when the promise of my Lord comes, He will make it level, and ever is the promise of my Lord true." (18:99) And We will leave them that day surging over each other, and [then] the Horn will be blown, and We will assemble them in [one] assembly. (18:100) And We will present Hell that Day to the Disbelievers, on display -