The best thing I could manage was the following build, for an area filled with stance using enemy Rangers (the Naga Rangers), but it still kinda of sucks...If someone has a better build using this skill, I would be happy to see it.
Attributes
Daggers Mastery 13 (10+2+1)
Critical Strikes 13 (11+2)
Deadly Arts 11 (10+1)
Desperate Strike (Lead Attack) - since it has a low recharge and low energy cost, plus it's not that uncommon for me to be below 76% of health.
Wild Strike (Off Hand Attack) - low recharge and energy, breaks stances (despite the HUGE drawback that any stance worth stopping will just make this attack miss, but there's a counter below).
Repeating Strike (Off Hand Attack) - so I have something to do with Way of the Empty Palm. Does very little damage, though.
Twisting Fangs (Double Attack) - again, to use with Way of the Empty Palm. Has decent recharge, so I may use it as finishing attack after a Repeating Strike series.
Critical Eye (Skill) - to help with the damage done by Repeating Strike.
Expose Defenses (Hex) - lasts 8 seconds, with 10 seconds recharge, and allows me to use Wild Strike (so the rest of the party can strike that enemy). I wanted at least one more Deadly Arts skill to justify the attribute points there, too.
Way of the Empty Palm - the focus of this build, lasts only 16 seconds, with a 25 seconds recharge.
So the result is a very low damage build, with redundancy on energy management, that could be done in many better ways than using WotEP. Does anyone know how to use this skill?
Erasculio

Shadow Refuge for any healing.