Here's a walkthrough:
Cult Investigation - Tanaab
Level 19 - We got word from a freighter captain that there are members
of the cult at the spaceport on Tanaab. Head over there and find out
what they are doing there.
Objectives: Defeat the Cultists; Find a way to stop the Mutated Rancor.
Weapons are useless against it.
No really, don't let this guy catch you. Make your way across this
large room to the opposite side. Since you must keep moving you won't
kill all the cultists. But don't worry your Mega Sized Rancor buddy
will take care of them. Get to the other side of the room and jump onto
the platform. Use the switch. This starts a mechanical arm raising a
large container. The exit is behind this container. Go there, kill the
cultist and FA. Run through the other door. Run around this room and
kill the Cultists and Reborn. Wait for the Rancor to break through the
big door. Go to the far end of the room under the cargo tram. When he
nears this end the locked door will open and you can go through. Kill
the New Reborn. Run across this room and kill a cultist and an FA. Use
the switch to open the way out. Turn around and jump over the
containers. Kill the cultist use the switch and run across the conveyor
belt and up the ramp. Kill the New Reborn Master and a New Reborn. Go
into the control room and up another ramp to kill the New Reborn
Master. Use the switch to start the conveyor belt and kill the Rancor.
stuck in an eternity of sunshine and chocolate.