We move through the Active lava zone to the hydro thermal vents called the lava castle. We make our way over the all the vents and then find a way in the back side. Fighting some creatures we finally find our way to the center of the castle where the thermal plant is. Inside we find a lot of goodies. There is a blue artifact we scan and get the blueprint for. In the next room is a portal to the alien gun. then we downstairs and this is were the Science happens. We get info on the location of the primary containment center. In the back of the room there is a terminal for accessing data on Alien Ion Power. This gives us the Ion battery and the Ion power cell.
After this I will head back to the ship and build a few depth upgrades. That is next episode though.