In the Bible, the number ten often symbolizes a complete group ​ — in this case, all the kingdoms that grew from the Roman Empire.
أَضِفْ إِلَى ذلِكَ أَنَّ إِتْمَامَ ٱلرُّؤَى ٱلْمُسَجَّلَةِ فِي سِفْرِ ٱلرُّؤْيَا يَجْرِي « فِي يَوْمِ ٱلرَّبِّ » .‏