_crazy_man_ on 18 October 2013
http://www.smogon.com/forums/threads/big-news-for-breeding-in-xy.3490166/
Smogon just found out that if a pokemon is holding Destiny Knot, then 5 IV's are inherited instead of the usual 3 from both parents.
That makes breeding easier.
Luckly I have a perfect ditto on BW2, and a semi perfect as well (0 IV in speed for TR pokes).
