I am currently almost at the end of the DLC, on the mission END OF THE LINE, every time I get to SH4DOW-TP at the large black gateway he disappears, and claptrap says, “I almost remembered what I have to tell you about SH4DIW-TP!” Then nothing happens and I have not indicator of where to go, the videos online show a doorway that is opened that I don’t have…
Can’t remember a large black gateway. Have you jumped down the hole in the dark room to go deeper into the Subconscious? Claptrap says that line about almost remembering a couple of times. At the end of the deeper subconscious, you have to get to the Cortex gateway which is up high.