#include "NW_I0_SPELLS"
void main()
{
    //Declare major variables
    object oCaster = GetAreaOfEffectCreator();
    effect eVis = EffectVisualEffect(VFX_IMP_FROST_S);
    effect eVis3 = EffectVisualEffect(VFX_IMP_HEALING_S);
    effect eHeal = EffectHeal(10);
    object oTarget = GetEnteringObject();

    if(GetIsEnemy(oTarget, oCaster))
    {
        int nDam;

        if ( MySavingThrow(SAVING_THROW_FORT, oTarget, 16, SAVING_THROW_TYPE_COLD, oCaster) )
            nDam = d6();
        else
            nDam = d6(2);
        if ( nDam > 0 )
        {
            effect eDam = EffectDamage(nDam,DAMAGE_TYPE_COLD);
            ApplyEffectToObject(DURATION_TYPE_INSTANT,eDam,oTarget);
            ApplyEffectToObject(DURATION_TYPE_INSTANT,eVis,oTarget);
            int nFlag = GetLocalInt(oCaster,"AURA_STATE");
            if ( nFlag == 0 )
            {
                SetLocalInt(oCaster,"AURA_STATE",1);
                ApplyEffectToObject(DURATION_TYPE_INSTANT,eVis3,oCaster);
                ApplyEffectToObject(DURATION_TYPE_INSTANT,eHeal,oCaster);
            }
        }
    }
}