Originally posted by Emelio Lizardo:

key words being 'usually enough'.

I haven't made a strict study of it with references and a reproductible process, so I can't say it's a 100% occurrence whatever the circumstances. I can only say that I have never failed to stagger a no-star troll with a sneak attack using a copper knife.

I should have said earlier that the sneak attack must be an alternate attack, not the basic swing.