Warrior's could bring something interesting to the table for bow soloing;
They could use a blind spell (
http://wiki.project1999.com/Blazing_...e_of_Fennin_Ro ,
http://wiki.project1999.com/Bioluminescent_Orb) to keep from tanking.
They could then dps with bow. To supplement DPS they could spam nuke clicky between bow shots
http://wiki.project1999.com/Blazing_Bracer_of_Fennin_Ro