Also, I can't believe you used a scroll on your amulet of life saving XD
Aside from the obvious (those in the main chamber of the cathedral) you need to watch out for the smith. He is surprisingly formidable and what he lacks in equipment he'll make up in survivability. You could take him out first, then use the bottleneck of the cathedral to your advantage (don't take my word on this, I've never even gotten Elpuri's head back to Petrus, let alone kill him). You'll need some way to detect invisible units too.
Z: Maybe I just don't have the latest 3D + Sound version
4zb4: Go for 3?
EDIT: Yes, I just checked it, the latest 3D + Sound does have Blob's art. My mistake.
EDIT: I've just consulted Kahvi about this, he will go through the variants and give us a list of approved features. If you're wanting to do this, I suggest looking up the pieces of code for the new things in the variants so you're ready to go. Sit tight in the meantime.