The Gracious one — So he is styled when his judgments are abroad, and that with a peculiar propriety. In the beginning of the book he is termed "The Almighty." In the time of his patience, he is praised for his power, which otherwise might then be less regarded. In the time of his taking vengeance, for his mercy. Of his power there could then be no doubt.
Related Commentaries of Revelation 16:5
Revelation 16:5
5 And I heard the angel of the waters say, Thou art righteous, O Lord, which art, and wast, and shalt be, because thou hast judged thus.