@JeremyECrawford If an Umber Hulk tunnels through 60 ft of solid rock, what happens to the 2400 cu ft he removes?
— Halfslain (@Halfslain2) October 17, 2016
The DM decides what an umber hulk does with its rubble. #DnD https://t.co/RMb2nH30JS
— Jeremy Crawford (@JeremyECrawford) October 17, 2016
@Halfslain2So as the DM I could say there is no rubble? For sure!
— Jeremy Crawford (@JeremyECrawford) October 17, 2016