﴿ يُنَزِّلُ ٱلْمَلَٰٓئِكَةَ بِٱلرُّوحِ مِنْ أَمْرِهِۦ عَلَىٰ مَن يَشَآءُ مِنْ عِبَادِهِۦٓ أَنْ أَنذِرُوٓا۟ أَنَّهُۥ لَآ إِلَٰهَ إِلَّآ أَنَا۠ فَٱتَّقُونِ ﴾

“He causes the angels to descend with this divine inspiration, [bestowed] at His behest upon whomever He wills of His servants: "Warn [all human beings] that there is no deity save Me: be, therefore, conscious of Me!"”

He sends down the angels namely Gabriel with the Spirit with the Revelation of His command by His will to whomever He will of His servants and these are the prophets saying that an is explicative Warn threaten the disbelievers with chastisement and make them aware that there is no God save Me so fear Me fear Me.