By Jamie Grayson — In the recent 'two-series-that-are-one' combo of House of X and Powers of X, writer Jonathan Hickman and artists Pepe Larraz and R.B. Silva tackle many complicated subjects, including alternate futures and pasts, reincarnation through parallel timelines, and the fate of a newformed utopia. But behind all that high-concept, flashy blockbuster business lies one key concept — unity, built upon mutual trust.