Toughness? She uses an axe

Sorry, toughness is only for 1h&shield. CD isn't a problem because duration is 30 secs, CD is only 6 secs. Precise attack (2h skill) is pretty good but 50 secs of cooldown takes it out of the shot rotation unless you are in a REALLY long fight. Hard to say which would help more CD or power-up. I would go with power-up points and use it as an opening strike.