Well, yes she is a lot harder than Vivicar, and if you are not healer, i had to focus to interrupt her earth quake (its very powerfull). That's why it was that hard for me, the last time i manage to interrupt her every quake, but not every heal - one or two times with Force Stun (it has very long cool down ), and after that i focused on Force Wave and Mind Snap to interrupt.

Aaah f*ck, i'm 32lvl Jedi Shadow, and i tryed 20 times, and even i can't have her at half the health and she kills me. Only one time a i was able to decrease her health arround 3000 and she kills me again! So anyone for Co-op? Edit: Oh yes at last, i get that b*tch, for my companion i used Theran, the funny think is that i used him before that but i didn't manage to defeat her, i don't know now how i did it.