It seems Flim and Flam were witness to Fluttershy's transformations between your everyday average run-of-the-mill vampire and a pegasus. Now they've built a machine that they've dubbed The B.L.U.D. which turns ponies into vampires, but their plan goes deeper than that. The brothers have a well drafted and well documented plan for our heroes to try and thwart with claims backed up by researched facts.