﴿ فَلَنُذِيقَنَّ ٱلَّذِينَ كَفَرُوا۟ عَذَابًۭا شَدِيدًۭا وَلَنَجْزِيَنَّهُمْ أَسْوَأَ ٱلَّذِى كَانُوا۟ يَعْمَلُونَ ﴾

“But We shall most certainly give those who are [thus] bent on denying the truth a taste of suffering severe, and We shall most certainly requite them according to the worst of their deeds!”

Please check ayah 41:29 for complete tafsir.