2 adjectives to describe bombshells

But in 1687 Königsmark and his Venetian forces threw their hideous bombshells among the exquisite temples of the Acropolis, and, igniting thereby the powder-magazine with which the Turks had desecrated the Parthenon, tore into ruins that loveliest of the lovely creations of Hellas.

Oh, I have it'from the middle and humbler walks of English life;' not blue Mayflowers, but common colorscan't you see that it will be such larks for me to use this little fact like a little bombshell, when Mrs. Arkwright, or Maud, or Flo Aplin, or any of these Mayflower braggers begin to hold forth?" "Why, Kitty, I thought you liked Maud and Flo!"

2 adjectives to describe  bombshells