Gonna be making vids, all separated into categories. Stacking with friends, 1 vs 1s, tournament matches, clan battles, and more! Channel: http://www.youtube.com/user/AfterAtomsNFM
You have 6 players stack on each other to get 5x more wep xp than hitting 1 person alone. Some people(most I think) dislike it because I think it's a noobier way to get wep xp...