there are no dual techniques for cursed, but one of the 3 trees cursed has, (i think its the stalker one) has its t4 talent that require dual to be used, or work better with it. just like block is best with shield, and cleave works best with dual.
since you are not a mage, and some of your talents scale with will power (or at least i think they do) picking up mind stars seems to be a viable option. but i am not
a madness winner lvl expert sooo... someone else might give a better answer.
surge - "The speed of your movements, combined with the balance and utility of two weapons, gives you 17, 22, 26, 29, 32 extra Defense while dual-wielding."
and its repel, not block. block is something else.