The Cave - 18:98
"He said: "This is a mercy from my Lord". "When the Hour appointed by my Lord comes, He will shatter it to pieces. The Word of my Lord is true."
Related:
The Prophets/21:96
Finally, when the way is opened for Jajjuj and Majuj, they will attack from every direction.
The Prophets/21:97
"The fulfillment of the Word of truth has come near, and the eyes of the disbelievers have been filled with fear: "Woe to us, we were heedless of this, we were indeed the wrongdoers."