1. I think so too, so I'll assume it is.  If not... Ahri might be hurting >.><br/>2. I can't find anything under Invisibility or the spell description either, so I'll assume not.<br/>3. Noted.<br/>4. No, but the other NPCs can...  >:)  What are you planning, anyway?<br/><br/>Anyway, post is up.  Something tells me Gered might drop that attitude of "don't hurt/kill the guard".  He's kind of the "kill first, ask questions never" type...<br/><br/>As for infaturation, where is the "obvious physical danger" in this case?  Regardless, as long as Gered decides to rush up to the guard, I'll say that he and Zitka can move together and not worry about the spell.