void main()
{
    object oOrigin = GetFirstObjectInArea(OBJECT_SELF);
    object oArea = GetArea(OBJECT_SELF);
    object oPC = GetFirstPC();
    int iCount = 0;
    int iCheck = 0;

    //Check for players and DM avatars.
    while(oPC != OBJECT_INVALID)
    {
        if(GetArea(oPC) == oArea)
        {
            iCheck = 1;
            break;
        }
        oPC = GetNextPC();
    }

    //Check if any creatures are possessed by a DM.
    object oCreature = GetNearestCreature(4, 1, oOrigin, iCount);
    while(oCreature != OBJECT_INVALID)
    {
        if(GetIsDMPossessed(oCreature))
        {
            iCheck = 1;
            break;
        }
        oCreature = GetNearestCreature(4, 1, oOrigin, ++iCount);
    }

    //If iCheck isn't set due to empty area, destroy all creatures.
    if(iCheck != 1)
    {
        iCount = 0;
        oCreature = GetNearestCreature(4, 1, oOrigin, ++iCount);
        while(oCreature != OBJECT_INVALID)
        {
            DestroyObject(oCreature);
            oCreature = GetNearestCreature(-1, -1, oOrigin, ++iCount);
            /*
            eDam = EffectDamage(iDamage, DAMAGE_TYPE_ACID);
            SetLootable(oTarget, FALSE);
            ApplyEffectToObject(DURATION_TYPE_INSTANT, eDam, oTarget);
            */
        }
    }
}