Just wanted to ask a few questions. Only played two muters and never one this far in. I've noticed that as I bomb around in duo that sometimes I am able to walk past certain NPC's but when I try to come back out they seems to see me nearly all the time. So that is something I address in there, but the curiosity is killing me and so is the experimentation... literally. So..

1. Is duo somthing that needs to be practiced to quasi-perfect to remain unseen while moving about or should you basically remain unseen the whole duration of the spell?
2. Do duo'd muters get exploration xp? I expored this a bit and got a little bit of XP, but I popped out every now and then to interact with desks and such.
3. Do sleeks show up when duo'd or would Detect Artifact fire when duo'd? Will they show up if I enter a area to get past a certain nasty or two then pop out?

Any information about these questions and tidbits of muter functionality anybody can offer would be appreciated.

Nothing can see you when you're duo (excepting markoftheprey, etc.) but some things can attack you anyway. As far as I know, those things always do.

I don't know if this distinction makes things more or less clear for you.

Why can I walk in to areas such as going to Truck without a problem, but then when I walk out the spirit knight freezes me up? That was what I was trying to figure out. Just seems like sometimes I am not seen but go by a second time and their lighting fires to storm my castle.

---> I am not seen but go by a second time and their lighting fires to storm my castle.

As far as I know it should always jump on you, if it's not dead or otherwise busy.