Surah Ad-Dukhan, Verse 16

يَوۡمَ نَبۡطِشُ ٱلۡبَطۡشَةَ ٱلۡكُبۡرَىٰٓ إِنَّا مُنتَقِمُونَ١٦

yawma nabṭishu l-baṭshata l-kub'rā innā muntaqimūna

The Day We will strike with the greatest assault, indeed, We will take retribution.