Difficult it's not, even the finale, all ghostable save maybe for one problematic spot (but still doable-buggy?) (and one scripted scene where you take damage no matter what) . In other regards I conditionally agree, some bugs but the atmosphere is pleasantly and surprisingly intense even if it tries hard to. Could have inspired some DrK's hellish sections.
First, let me thank whoever and all who made rating the original-Ms possible.
Now, my small niggle regarding the TDP/TG mission versions: afair there are/were differences between the original TDP and the TG versions of the Sword in that the former didn't have the "little big world" addon (it only came somewhere along the progressive iterations of TFix (which notably also changed many other things, smaller and bigger, beyond a pure technical update).
Also I am at a loss as to any more di...
Otherwise a solid mission that belies its age (though key-heavy) but the vault key solution is really terrible and utterly non-divinable on one's own, especially as the script seems to be broken in some way without clarity as to what actually triggers it - I just fuddled with all inventory in front of the ghost for minutes on end until I got a response.