void main()
{
  object oPC = GetEnteringObject();
  object oObject = GetNearestObjectByTag("ShadowWater1", oPC);
  int N = 1;
  effect eAOE = EffectAreaOfEffect(AOE_PER_DARKNESS);
    while (GetIsObjectValid(oObject) == TRUE)
    {
        ApplyEffectAtLocation(DURATION_TYPE_PERMANENT, eAOE, GetLocation(oObject));


      N = N + 1;
      oObject = GetNearestObjectByTag("ShadowWater1", oPC, N);
    }
}