17th century Japan, where samurai were respected and clans ruled… This period, from which some of the most epic films in the history of world cinema take their roots, has been a medicine for Netflix’s declining reputation in recent years. This is the adventure of a blue-eyed woman seeking revenge at a time when the non-Japanese or the ‘defective’ even if Japanese were not treated as human beings. Extremely bloody, largely satisfying, staggering from the first frame…