// sacrifice_chb = chest heartbeat
void main()
{
    object oMe=OBJECT_SELF;
    object oPC=GetLocalObject(oMe,"oPC");
    if (GetArea(oMe)!=GetArea(oPC)||GetDistanceBetween(oMe,oPC)>2.5)
    { // destroy self
      ExecuteScript("sacrifice_do",oMe);
    } // destroy self
}