This quest is level 32, and I think to solo it, you will have to be pretty much that level and/or have lots of epic loot
Lvl32 in all orange/purple fresh 30-32 suit. It seems like quest designed for ranged sorcerer - assassin is getting massive AoE along with Khem and dieing almost at the same time.
Really - this game design is beyond comprehension and nowhere near "enjoyable" term (except for huttball). Already dropped multiple quests because they aren't actually solo-able despite missing marks "heroic 2+", "bring a friend", "get +5 levels in PvP and return", etc.