Qur'an 21:96 · Al-Anbiyaa

حَتَّىٰٓ إِذَا فُتِحَتْ يَأْجُوجُ وَمَأْجُوجُ وَهُم مِّن كُلِّ حَدَبٍۢ يَنسِلُونَ

(96) Until when [the dam of] Gog and Magog has been opened and they, from every elevation, descend