Can they see in the dark or not?

My seyan was in heal quest in the dark, of course had IV from the halloween event. The first guard attacked me as normal. The 2nd guard attacked me as normal. The 3rd onward didnt, I assume because he couldnt see me in the dark. But wait if he cant see me beside him on fast, how does he see the door and know to close it 2 squares away?

It is coded for that skeleton to close the door and as long as it is possible he will close the door, weather or not he can see it.

This is half related, but I noticed the skeletons dont attack me if I stand behind or beside them. But if I stand in front of them or next to mirror they suddenly see me, is this normal behavior? Does the mirror give off some kind of light?? If so why is my entire IV area still 100% red?

SN: Also noticed it tries to force you to auto walk past the wall to the N often times?

On a side note...

Are the grolms in pents equipped with IR goggles for Halloween?

Mirrors give off a very small amount of light.

NPCs were not given Infrared during Halloween.

Red is right about the mirrors but the light may not be good enough to turn off your IR skill.

Dinin is right about the lights and doors. If they are coded to turn on/off doors or items with a set template then they will do it if it is within range, they do not have to be able to "see" it. They just know it is there.