When breeding, I know the Destiny Knot guarantees passing on of 5 IVs, but is it possible for the 6th IV to be passed down too just via the normal process of breeding? I ask because I was breeding two smeargle, one with Hp, At, Def and Sp A all at 31 and the second Smeargle with Sp Def and Speed at 31 and after about 20 smeargles I got a Smeargle with all 6 IVs! So would that 6th IV have been randomly passed down from one of the parents (not related to the Destiny Knot, just that sometimes the game COULD pass more than just what the destiny knot guarantees) or was the 6th IV ALWAYS random and I just got super lucky? I know since no one on these boards works for Gamefreak that no one KNOWS what happened, I'm just wondering if anyone heard anything.
Basically, just to further clarifiy what I'm asking, when you don't use anything, the parents are guaranteed to pass down 3 IVs from each (I've heard) so does that mean they can ONLY pass down 3 IVs or that 3 IVs are GUARANTEED to be passed down but that it's possible to pass down more than just the 3? And using that same logic, I was asking if the Destiny Knot was guaranteed to pass down 5, but a 6th IV COULD be passed down just as in the nature of breeding, or if the Destiny Knot ONLY allows 5 IVs to be passed down and the 6th is ALWAYS random?