
Arrange the transportation of Naval Mines to Arch Island with Ferryman.Find functional naval mines in LemCo (examine them to determine if they are functional).Deploy naval mines - reward 500 Stygian Coins, 1000 classic/1 oddity XP.
Expedition zero walkthrough upgrade#
Alternatively, upgrade Phil's Arm (West Storage Depot) with Microchip Implant Encoder (Nexus of Technology), allowing to turn on the Seahorse Plasma Turrets (on Hard difficulty and above there is only one Plasma Turret).Hack the console in Arch Keep to activate the turrets (100 effective Hacking required).Activate Seahorse Plasma Turrets - reward 200 Stygian Coins, 1000 classic/1 oddity XP.You must also replace the Plasma Core, the first energy core in your inventory will be used if there are multiple (you will need either 70 Electronics, or Naga Protector Diagnostic and Configuration Tool).To reprogram the Naga's AI you need 100 effective hacking and a Haxxor of any kind to designate both yourself and Aegis as allies or use Naga Protector Diagnostic and Configuration Tool found in some of the ruins in the Black Sea.Repair Naga Protector - reward 500 Stygian Coins.You've found a way to activate the Arch Keep's defense turrets.Perhaps some can be used in bolstering the camp's defenses.

