void main()
{
  object oPC = GetEnteringObject();
  object oTrig = OBJECT_SELF;
  effect eBricks = EffectVisualEffect(136); //Ruins-Style Bricks, Raising
  effect eRocks = EffectVisualEffect(135); //Ruins-Style Boulders, Raising
  effect eFallRock = EffectVisualEffect(353); //Small Rocks, Falling
  effect eFallRock2 = EffectVisualEffect(354); //Medium Rocks, Falling
  if (GetIsPC(oPC)){
    FloatingTextStringOnCreature("This passage appears blocked. It is doubtful you will be able to go past it.", oPC);
    DelayCommand(1.0, ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eFallRock2, oTrig, 4.0f));
    }
}
