Your friend will have to make himself eligible. What class is your friend and what level is he?

You can allow people in with you if you pick the option in the preferences menu.

Why do some people come to the spoiler section and expect not to be spoiled? If you look in the preferences menu, under social if I remember correctly you can turn off sith curoption.

I beat him at level 17 with Kira(she died). I just charged at him, I had a plan but Kira got a little to close. After Kira died I defeated him, had to call T7 to finish the mission. Why is he undefeatable with T7?

You want to use a controller to play a MMO? I hope it has a lot of buttons.

Just some time, armour and weapon durability.