japan, samurai, swordplay, general, sense of guilt, war veteran, sword, war crimes, loss of loved one, self-discovery, arms deal, homeland, katana, emperor, language barrier, mountain village, foreign legion, insurgence, mercenary, campaign, war strategy, gettysburg, slaughter, soldier, period drama, alcoholic, u.s. soldier, japanese army, warrior, 19th century, war trauma, vindictive, intense, antagonistic, mighty whitey, going native,