There we go, productive discussion 
Yeah I agree, there are a lot of weird things to be worked out. It would be a system change and a lot of work, so that would be in the future before gold. Also has to be worked around with bandits, so be a good time to go have a look when those are more done.
But, for now, this is what we have; so, this was mostly showing how you can still use stealth in trigger/attack volumes, a bit of solid nerves and tactics can allow you to sneak those zombies even in the same room.