Marketplace talk:Post Trade Requests/@comment-5140318-20120711174434/@comment-84.107.43.96-20120711185653

But you also give the same amount of brains for energy drinks. So first we trade 9 brains for 8 energy drinks, then I will offer 12 brains + 13 power potions (= 15 brains, so 27 in total) for your ZS+