"Kuma the Changed—The Terrible Secret of Ivankov" (in the original Japanese/official English) [1]. Key Moments:
Based on the phrase you provided, "Stai guardando OnePiece Ep 469 ITA" translates to "You are watching One Piece Ep 469 ITA (Italian)" [1].
It progresses the intense Battle of Marineford, where Luffy is fighting to reach Ace [1].
It reveals shocking details about Bartholomew Kuma’s transformation into a cyborg, explaining his connection to Dr. Vegapunk [1].