أُو۟لَٰٓئِكَ هُمُ ٱلْكَٰفِرُونَ حَقًّۭا ۚ وَأَعْتَدْنَا لِلْكَٰفِرِينَ عَذَابًۭا مُّهِينًۭا
Those are the disbelievers, truly. And We have prepared for the disbelievers a humiliating punishment.
Those are the disbelievers truly haqqan is the verbal noun emphasising the content of what precedes it in the sentence; and We have prepared for the disbelievers a humiliating chastisement namely the chastisement of the Fire.