Or, the H.E.A. Begins Preparations for the Coming War. Rated K for god-awful House Elf speech. One-shot that may be continued with more one-shots.
It was foolproof. He'd trade his arm and Gate for Alphonse and go home. Simple, right? Unfortunately, nothing is ever that easy for Edward Elric. Rated T for language. Thanks for beta-ing to Lhurgoyf