Apocalyptically

Aerial warfare and the atomic bomb, which he “invented” in The War in the Air (1908) and The World Set Free (1914), have proved as apocalyptically destructive as he prophesied.

Source: wiktionary

I hope I appear not to speak too apocalyptically in saying that the problem is still there to minister to our interest and perhaps even a little to our anxiety.

Source: wiktionary

Juxtaposing a secular vision of an earth apocalyptically destroyed through the activities of a Euro-American culture devoted to exploiting resources in every possible way with an equally apocalyptic, sacred vision of the age of the coming of the fifth world in which the culture of destruction will pass away, Silko depicts a world in which apocalypse saturates the everyday, undoing the realism of the nuclear complex by positioning it in a different timeline that has a different past, a different future, and a different present to anything that the nuclear state might think to contain in even its most totalizing attempts to model the world.

Source: wiktionary

The Hobo of the Ideal disappeared from my life as apocalyptically as he had come. He stood with me in front of the window of the Press, pointed to a bulletin saying that the Chicago anarchists had been hanged, and whispered to me, “The time has come!”

Source: wiktionary