What dual specs mean for the class

Welcome to another edition of Blood Pact! I'd held off writing one because we've got a surprise for you guys as a new, better, shinier Warlock columnist is coming on board to give you the all the infernal goodness (or badness, if you prefer) you need. But since it looks like he's caught up at the cleaners trying to get that brimstone smell off his robes, I'm sneaking into his office and filling