Surah Al-Mujadilah, ayah 15

58:15

أَعَدَّ ٱللَّهُ لَهُمۡ عَذَابٗا شَدِيدًاۖ إِنَّهُمۡ سَآءَ مَا كَانُواْ يَعۡمَلُونَ ١٥

A'addallāhu lahum 'adhāban shadīdan innahum sā'a mā kānū ya'malūn

Allāh has prepared for them a severe punishment. Indeed, it was evil that they were doing.