Personally only ever attack one, unless I zerk. Then I flurry 2-3, depending what's around me.
I've lost my arrow. Have you seen it? It's been on my mind a lot lately...
Not sure if said here earlier, but Familiarisation boost tripples the extra charm given this weekend too. Got a bit over 1500 crimsons at dags in 40 minutes, probably worth doing this weekend if you havent done it this week yet