The walk down the tunnel seems easy enough: it is, for the underhive, clean and brightly lit, though here and there are signs this is only such by prodigious effort--a section of wall collapsed and spewing rock right across the tunnel, for instance.

[hider=Praetia and Arturia]
Where the wall is collapsed, you see a man watching from behind the next section of upright wall. He doesn't seem especially suspicious of you or the direction you came from, but he [i]is[/i] obviously armed, and [i]is[/i] watchingn you intently.[/hider]