Youtube user NadaButH8 posted a video of him soloing Directive 7 on Hard mode. Pretty impressive stuff if you think of how good gear you have to optain for your self and your companion before doing this.
Boss fights are played at normal speed, everything else is 2X
(Bonus Boss was not attempted)
Boss name–Time
-Assassin Droids– 2:20
-Interrogator– 7:45
-Bulwark– 11:23
-Assembler– 16:52
-Mentor– 19:20