I will provide good tactics for defeating the bosses as i can do it easily now...
First to the end if you know what i mean... Some people are always stuck on defeating the emperour i was on my first time bloody saberlocks would not work and i dint know how to block lightening... Anyways the best way to beat him is to keep really close using your lighsaber to give him a good wack use most of the force powers... If he uses lightening, block it and walk towards him Also when their is a bit of distance between you and him use lightening but fo not use it up close otherwise he just whacks you.
Also if your nearly dead to the right hand side and the left their will be continuse amounts of bacta tanks apperaing so renember to grab some of them.