The narrative is a deeply personal journey that finds Logan (Hugh Jackman) stripped of his regenerative healing factor, forcing him to confront his own mortality for the first time.
When a robotic parasite suppresses his healing power, Logan becomes "most dangerous when most vulnerable," as he must rely on his warrior instincts rather than just his ability to survive any wound.
Subtitles are not just a technical necessity in The Wolverine ; they are a narrative tool used to immerse the audience in an unfamiliar setting.