It was what professionals call the ninja fart... it was silent, but deadly. So deadly, in fact, that it destroyed the few survivors left in the upside down, inside out, imploded, and exploded universe.
We can get Jasnah to soul cast the merch for us in exchange for giving her our knowledge of the Cosmere! We do know quite a bit more about it than she does.
Edit: No nickname takebacks!
All of the Narrators are secretly ghanderflaffles, which is why the ghanderflaffles know to migrate to Universe A whenever the Narrators decide to have some characters do stupid stuff.
Why does a dinosaur beat a whale? How come your name is beantheboy? Why do people have favorite colors? Why can’t I launch an elephant into space so it can live on Jupiter using a toothpick? Why are baby animals so cute? Why do people accept spiked cookies?