There is currently a bug with Spirit Armor that if you fail your save, you are considered in combat for the full duration of the spell. For right now, your best bet is to not use spirit armor until t… (View Post)

Not sure what causes it, but they are aware of it so it should be fixed soon: http://forum.baldursgate.com/discussion/24141/graphical-bug-spear-of-the-unicorn#latest (View Post)