the party member become red when i pick one party member

i pick some party members like Neera, Jaheira, Khalid,
then all the party member become red,
but if i pick some other members, the party member do not become red,
what does that mean?
thanks
then all the party member become red,
but if i pick some other members, the party member do not become red,
what does that mean?
thanks
0
Comments
http://forum.baldursgate.com/discussion/823/have-infravision-actually-do-something/