Jet Li's Wong Fei-hung films are period spectacle first, and Once Upon a Time in China II needs a villain equal to its hero. It finds one in the historical record: the White Lotus Sect, an anti-foreign secret organization the film sets loose on 1895 Canton, attacking consulates, foreign-language schools and anyone seen adopting Western dress or habits.
The choice is not incidental. The real White Lotus tradition has a documented history stretching back centuries as a millenarian folk religious movement, one repeatedly swept up in anti-dynastic uprisings and, in the popular imagination, tied to the anti-foreign fervor that would culminate a few years after the film's setting in the Boxer Rebellion. Tsui Hark's film borrows that association wholesale, giving its antagonists chants, talismans and a claim of bulletproof invulnerability drawn from the kind of folk-magic beliefs historians attach to the Boxer-era secret societies.
What the film does not do is distinguish its dramatized cult from what the tradition itself actually believed. Its White Lotus is a genre convenience, a fanatical mass movement whose supernatural claims exist to be disproven in a climactic duel, not a considered account of real adherents. A viewer who knows the name only from the film comes away with a caricature, xenophobic and violent, standing in for a folk tradition with a far longer history than two hours of martial arts choreography can carry.
That gap between the borrowed name and the underlying subject is why this counts as a work worth recording. It shows how a real religious movement's name survives in popular film, stripped to a villain's silhouette, long after most viewers have any other point of contact with the tradition.