Best moment of similar things thus was was cutting a tree at the top of the hill in the black forest with a small ridge under it and seeing 3 greydwarves making their way up. At the bottom of said hill/cliff if you will was a swamp and a blob and draugr were down there there in the vicinity.

When the large fir was cut down, it quickly started rolling down the hill, took out the greydwarfs and killed the blob and almost the draugr.

I call it Black Forest Bowling when I can get away with it.