Inspect for one of the following items:

• A ?-class (sentinel) upgrade for Exosuit (if opened from exosuit) or Multi-tool (if opened from ship).

• Sentinel Boundary Map (shows Sentinel Pillar location)

• Aronium, Magno-Gold, Grantine, Herox, Dirty Bronze, Lemmium, Iridesite, Geodesite

• Antimatter

• Hydraulic Wiring

• Vy'keen Effigy