﴿ فَإِنَّمَا هِىَ زَجْرَةٌۭ وَٰحِدَةٌۭ ﴾

“[But,] then, that [Last Hour] will be [upon them of a sudden, as if it were] but a single accusing cry -”

And so Allah said: (Surely it will need but one shout) one blow which does not require a second one, and this is the blow of the resurrection,