Tumblz said:I bought three Arcane Bomb-schematics (EU) for 400g, 500g and 2400g. 2k isn't a bad deal at all.
Bwappo said:According to the WoWhead comments (the link will take you to them), someone got the schematic from a Blackhand Elite in BWL. Hopefully this means the drop rate for this formula went up in BWL (which happened for several other vanilla items in 4.0.1+), since the primary source of the formula (the world dragons) got removed from the game.