Never bash a Balrog
There--I've said it once or twice
The Balrog will not like it,
And it isn't very nice.

No. never bash a Balrog,
It's best to sneak away,
Beat up on some orcs instead,
And live another day.
http://claim.goldrush.com/~kmcclure/texts/balrog.htm

just a word to the wise.