void main()
{

effect eVFX;

// Get the creature who triggered this event.
object oPC = GetEnteringObject();

// Only fire for (real) PCs.
if ( !GetIsPC(oPC)  ||  GetIsDMPossessed(oPC) )
        return;

// Abort if the PC does not have the item "towerofangarngit".
if ( GetItemPossessedBy(oPC, "towerofangarngit") == OBJECT_INVALID )
        return;

// Apply a visual effect.
eVFX = EffectVisualEffect(VFX_COM_CHUNK_STONE_MEDIUM);
ApplyEffectToObject(DURATION_TYPE_INSTANT, eVFX, oPC);

// Have text appear over the PC's head.
FloatingTextStringOnCreature("The tower is starting to crumble.", oPC);

if (!GetIsPC(oPC))return;
int DoOnce = GetLocalInt(OBJECT_SELF,GetTag(OBJECT_SELF));
if (DoOnce==TRUE)return;
SetLocalInt(OBJECT_SELF,GetTag(OBJECT_SELF),TRUE);
ApplyEffectToObject(DURATION_TYPE_INSTANT,EffectVisualEffect(VFX_FNF_SCREEN_SHAKE),oPC);
PlaySound("as_na_rockfallg2");
AssignCommand(oPC,ClearAllActions());
AssignCommand(oPC,ActionPlayAnimation(ANIMATION_LOOPING_DEAD_FRONT,1.0,999.0));

}