But we have information from the "eagle" that there's a squad of soldiers nearby (whether they're allies or enemies doesn't matter), and the "cat" hints that they might be Inquisitors.
They won't be able to set up traps behind themselves a minute after arriving; otherwise, it would be ridiculous.
As for Sivar, it's simple: without him, there will be negotiations and a choice; with him, there will immediately be an auto-battle, and he will be the primary target.