Question

So they [i.e., Gog and Magog] were unable to pass over it, nor were they able [to effect] in it any penetration. al-Kahf Part 16

Accepted Answer

فَمَا ٱسْطَٰعُوٓا۟ أَن يَظْهَرُوهُ وَمَا ٱسْتَطَٰعُوا۟ لَهُۥ نَقْبًا 97

Translation	So they [i.e., Gog and Magog] were unable to pass over it, nor were they able [to effect] in it any penetration.
Ayah	فَمَا ٱسْطَٰعُوٓا۟ أَن يَظْهَرُوهُ وَمَا ٱسْتَطَٰعُوا۟ لَهُۥ نَقْبًا
Sorh	al-Kahf
AyahN	97
Part	Part 16

I.E Gog Magog Unable Pass Effect Penetration فَمَا