void Regen(int x);

void main()
{
    int x = GetLocalInt(OBJECT_SELF, "regen");
    if (x > 0) Regen(x);
}

void Regen(int x)
{
    if (GetIsObjectValid(OBJECT_SELF) && (!GetIsDead(OBJECT_SELF)))
    {
    ApplyEffectToObject(DURATION_TYPE_INSTANT, EffectHeal(x), OBJECT_SELF);
    DelayCommand(6.0, Regen(x));
    }
}