User blog comment:Gush958/Precursor Base Name/@comment-31053881-20170212063334

I would put it behind the Aurora (to its right side, opposite of lifepod 5), maybe in a cave too narrow for the cyclops, and at the depth of 1700 meters, where only the PRAWN can go. It would be named the precursor portal, and it would get you home, ending the game.