﴿ فَأَهْلَكْنَآ أَشَدَّ مِنْهُم بَطْشًۭا وَمَضَىٰ مَثَلُ ٱلْأَوَّلِينَ ﴾

“and so, [in the end,] We destroyed them [even though they were] of greater might than these: and the [very] image of those people of old became a thing of the past.”

So We destroyed those who were mightier than them — than your people — in prowess strength and already there passed there has been mentioned in previous verses the example of the ancients the description of how they were destroyed and thus the sequel for your people will be the same.