Vanished Barrier

Exploration Stage: Octopus Citadel
From: Mr. Black
Description: My best agents remained in the Security Service headquarters. Believe me, they aren’t the sort you can easily crack or recruit. The Shadow could have only taken over the building if my people were heavily outnumbered. Let’s hurry to the Security Service building, they may need help!
Completed: Great, the SUNBEAM installation completely dissipated the foggy barrier that’s been separating the Security Service headquarters from the City for so long. All this time, I’ve been trying to get in touch with the agents isolated inside, but to no avail...