The most foreboding cloud in the world

I realized yes i posted twice in a row, but i dont think this one counts seening as its not artistic really. but just to show you what i think is the scariest cloud iv ever seen
it literally creeped across the sky, never changing shape, just getting larger and eventually covering the whole sky . it was accompanied by a blanket of rain that covered the streets to make it more eerie.
*shivers*
Weird