: His body swells into a massive, blue-skinned powerhouse. He isn't just a brawler anymore; because one of the shadows belonged to a master swordsman, Luffy suddenly becomes an expert with a blade.
While the main crew is being beaten, Luffy is in the Thriller Bark forest. He meets a group of victims who have had their shadows stolen by Moria. They reveal a secret: if a person has a strong enough spirit, they can "host" the shadows of others to temporarily gain their skills and strength. One Piece (Dub) Episode 370
Are you planning to right away, or would you like a summary of the Nightmare Luffy vs. Oars fight? : His body swells into a massive, blue-skinned powerhouse
: This form is extremely powerful but has a strict 10-minute time limit before the shadows escape his body. He meets a group of victims who have
: Luffy is stuffed with 100 shadows . Most people would pass out or die after two or three, but Luffy’s legendary willpower allows him to hold all 100.
The episode marks a major turning point in the Thriller Bark Arc. Initially, the Straw Hats were holding their own against Oars , but once Moria climbs into the "cockpit" in Oars’ stomach, the giant gains Moria's tactical brilliance.
The episode ends with Nightmare Luffy sprinting toward the battlefield, setting the stage for one of the most unique and high-stakes showdowns in the series.