"You would not particularly want to do this if it would possibly not work and leave them with an interesting weapon to analyze."

"I am, on further reflection however, unsure that taking out Awaiting Consumption is the correct first thing to do, unless there's some reason they wouldn't just distribute the production process over a thousand other places we couldn't all hit at once.  As it happens, you misunderstood my original question; I was asking if a very very very large nonmagical explosion would kill or at least wound Urgathoa."

"You would not particularly want to do this if it would possibly not work and leave them with an interesting weapon to analyze."

"I am, on further reflection, unsure that taking out Awaiting Consumption is much of a useful thing to do, unless there's some reason they wouldn't just distribute the production process over a thousand other places we couldn't all hit at once.  As it happens, you misunderstood my original question; I was asking if a very very very large nonmagical explosion would kill or at least wound Urgathoa."