Alien structures
PCF Principal Arch (to Bulb Zone)
- Coordinates
-
327 -1429 -279Game coordinates (x, depth, z) - Depth
- 1429 m
- Biome
- Lava Lakes
What you will find
PCF hub arch; needs an Ion Cube, then links to the Bulb Zone arch cache.
Lava Lakes
The deepest biome (1300+ m) and the hottest, reached through two pits in the Inactive Lava Zone. It contains the Primary Containment Facility, guarded by a Sea Dragon and five Sonic Deterrents.