I was confused as well. Went to check if Esseles had a solo mode. It does. You may just have to start there and climb the ladder of solo modes.

I don't see what's with all the hate for this spec or class. I made my merc AFTER 1.2 because I used to play Rep as a Shadow and got sick of stealthing around and being a force user. I love my merc. Plain and simple. Yes, you can get annihilated in pvp pretty quickly, but then again so can everyone else. Every time I go into pvp I try to stay out of the group fighting because I know that a majority of melee classes can waste me, but I don't let it get me down. The funny thing? Everyone says Arsenal Merc is broken and can't do anything. I usually top DPS charts by 50k to 100k in damage over everyone else. This is an MMO, it evolves and the classes all change in some way, be it significant or not. You gotta learn to go along with the changes, not stick with how your class used to play in previous patches. Every class gets nerfed/buffed eventually. All I'm saying is I don't get what's so broken about this class. I personally don't have a problem with it anywhere in the game, pvp or pve.