Key Verses

1. 18:94Al-KahfCommand
   قَالُواْ يَٰذَا ٱلۡقَرۡنَيۡنِ إِنَّ يَأۡجُوجَ وَمَأۡجُوجَ مُفۡسِدُونَ فِي ٱلۡأَرۡضِ فَهَلۡ نَجۡعَلُ لَكَ خَرۡجًا عَلَىٰٓ أَن تَجۡعَلَ بَيۡنَنَا وَبَيۡنَهُمۡ سَدّٗا
   They said: O Dhu'l-Qarneyn! Lo! Gog and Magog are spoiling the land. So may we pay thee tribute on condition that thou set a barrier between us and them?
   In context

   They said: “O Dhu’l-Qarnayn, Gog and Magog (meaning two great nations from the children of Adam) are causing corruption on earth by killing and so forth, so can we give you some wealth so you can make a barrier between us and them?”

2. 21:96Al-Anbiya
   حَتَّىٰٓ إِذَا فُتِحَتۡ يَأۡجُوجُ وَمَأۡجُوجُ وَهُم مِّن كُلِّ حَدَبٖ يَنسِلُونَ
   Until, when Gog and Magog are let loose, and they hasten out of every mound,
   In context

   They will never return, even until the barrier of Gog and Magog is opened and they begin emerging, hurriedly descending from every high piece of land.