The alien observatory door in Subnautica 2 is fairly close to the Alien Ruins biome/marker, which is a key objective once you ...
Opening the Observatory near Subnautica 2's Alien Ruins requires you to activate the generator in the area first.
Conduit Crystals are a late-game Subnautica 2 upgrade material that are necessary if you want to unlock the secrets of the alien plant.
Results that may be inaccessible to you are currently showing.
Hide inaccessible results