At-Tawbah 9:26

ثُمَّ أَنزَلَ ٱللَّهُ سَكِينَتَهُۥ عَلَىٰ رَسُولِهِۦ وَعَلَى ٱلۡمُؤۡمِنِينَ وَأَنزَلَ جُنُودٗا لَّمۡ تَرَوۡهَا وَعَذَّبَ ٱلَّذِينَ كَفَرُواْۚ وَذَٰلِكَ جَزَآءُ ٱلۡكَٰفِرِينَ 26

Then Allah sent down His tranquillity upon His Messenger and upon the believers and sent down soldiers angels whom you did not see and punished those who disbelieved. And that is the recompense of the disbelievers