{ یَوۡمَ یَبۡعَثُهُمُ ٱللَّهُ جَمِیعࣰا فَیَحۡلِفُونَ لَهُۥ كَمَا یَحۡلِفُونَ لَكُمۡ وَیَحۡسَبُونَ أَنَّهُمۡ عَلَىٰ شَیۡءٍۚ أَلَاۤ إِنَّهُمۡ هُمُ ٱلۡكَـٰذِبُونَ (١٨) ٱسۡتَحۡوَذَ عَلَیۡهِمُ ٱلشَّیۡطَـٰنُ فَأَنسَىٰهُمۡ ذِكۡرَ ٱللَّهِۚ أُو۟لَـٰۤىِٕكَ حِزۡبُ ٱلشَّیۡطَـٰنِۚ أَلَاۤ إِنَّ حِزۡبَ ٱلشَّیۡطَـٰنِ هُمُ ٱلۡخَـٰسِرُونَ (١٩) }
[سُورَةُ المُجَادلَةِ: ١٨-١٩]

On the Day God raises them all from the dead, they will swear before Him as they swear before you now, thinking that it will help them. What liars they are!

Satan has gained control over them and made them forget God. They are on Satan’s side, and Satan’s side will be the losers: