: Other possible arguments against it: Mazzarin was still
: around, in Shade form. (Doesn't bother me because I
: don't think it's the same Mazzarin, but some might
: argue it.)
I'm one of those people. :) When we encounter the shade Mazzarin during The Watcher, he's at half-health. If that particular shade were just seeded on the solo level as an encumbrance to the 'zerk horde™, there's no good reason why that shade would be at half-health. Rather, it must have been intentional, and the fact that it happened to be a shade named "Mazzarin" must mean it's a part of the story line. IMHO. :)
-David