Taking all Lore items and the ledgers with the NIGHTMARE herding staff ( Can not be hell or Inferno or Normal) To the back room (Leah's room!) and clicking her book will drop a "Moar's Cowbell" Which you can than use by clicking the leftmost blacksmithing station in A1 (Must be left.) This will bring the same babbling and rather annoying cow from the brony level in a1.
If your still confused i made a video step by step:
http://www.youtube.com/watch?v=oHg5SJYRHA0