Qur'an 18:99
۞ وَتَرَكْنَا بَعْضَهُمْ يَوْمَئِذٍ يَمُوجُ فِى بَعْضٍ ۖ وَنُفِخَ فِى ٱلصُّورِ فَجَمَعْنَـٰهُمْ جَمْعًا
“And We will leave them that day surging over each other, and [then] the Horn will be blown, and We will assemble them in [one] assembly.”
Al-Kahf 18:99 · Saheeh International