فَإِنَّمَا هِىَ زَجْرَةٌۭ وَٰحِدَةٌۭ فَإِذَا هُمْ يَنظُرُونَ
Fa innamaa hiya zajra tunw waahidatun fa izaa hum yanzuroon
Saheeh International
It will be only one shout, and at once they will be observing.