LF BS with 8 Spirit of Harmony Living Steels Guntlet or Breaspate. have the living steel
You are going to wait a while, it's a bugger to farm, and most smiths are regearing themselves, and buying patterns first.
actually, when i am done farming for a rare mount i can plausibly do it for ya free of charge. Just have patience and god willing I'll be up to snuff for BS in a few.