Hitting a wall with Bastila - help me beat Traya!

I've been running into the same problems, but am doing what others say, and doing it quite successfully. Swap Nihlus in for GK, then hope the other team doesn't target Nihlus. I win almost every time. Gotta switch my +126 speed set onto him, then use Ezra to speed him up. And make sure he annihilates Sion, while everyone else whittles SiTrooper down. Which shouldn't be a problem, cuz with your Nihlus using force drain, he should always have pain on him.