Masked Deuce
Masked Deuce is a writer and chronicler who begins recounting Ace's story from a remote island. He joins Ace after meeting on a shipwreck island and becomes part of the Spade Pirates as the second member of their partnership. Masked Deuce is known for documenting events in a memo book and for his inventive contributions to ship design using Ace's abilities.
Throughout his time with Ace, Masked Deuce faces survival challenges on a deserted island and later participates in crew decisions regarding targets like an Emperor. He adopts the name Masked Deuce as a pen name while recording the Spade Pirates' journey.
Appearance
Masked Deuce wears a black coat and mask that remain consistent across different scenes. His light hair is visible alongside the dark mask, and his coat becomes torn and wet during storms while his hair turns disheveled.12
Deuce has visible chest scars when his shirt is open and wears a belt with studs. He carries a sword with a braided cord on his back during later confrontations.34
Personality
Masked Deuce shows determination to pursue his dream of writing the greatest adventure book even at the risk of death. He expresses regret over abandoning that dream during moments of reflection.5
Deuce questions Ace's knowledge of ships and accuses him during moments of suspicion on the island. He later apologizes after realizing his error in judgment.67
Deuce challenges Ace's decision to target an Emperor by calling it too reckless and stating they are no match. He shows concern for the crew's fatigue during such discussions.8
Abilities and powers
Masked Deuce proposes structuring their ship like a paddle steamer with three paddle wheels for propulsion. He instructs Ace to spin paddles with precise flame control and states they will use Ace's Devil Fruit power to drive the ship.9
Deuce observes that only the first bite grants the power and urges finishing all the food without waste. He declares the new power can help escape the antlion pit while noting it will surprise Luffy.9
History
Origin
Island survival
Forming the crew
Deuce sketches mechanical design on the shore and supervises from atop the flaming construct as Ace and Deuce complete their boat. They stand beside an unnamed boat on a launch platform and remain aboard the moving boat.12
Later confrontations
Alignment decisions
Relationships
Masked Deuce meets Ace after being rescued and reacts with shock at the encounter. He grabs Ace by the collar during an accusation but later apologizes at a grave in a flashback sequence.105
Ace recalls swearing to have Deuce's back after events on a deserted island. Masked Deuce offers to help Ace during a bird attack and reacts in horror upon realizing what they ate.1712
Deuce affirms the spirit of the Spade Pirates burns one last time during a gathering on a rocky island at night. He extends the tattered Spade Pirates flag toward a crew member while stating the crew was gathered by the flame and banner.18
Crew interactions
Deuce responds that it is okay in a reassuring tone during the crew's emotional moment. A crew member asks Deuce if he heard Ace's words to rally support. Necklace youth addresses Deuce with surprised expression below deck.1920
A masked figure with long hair speaks to the injured youth after a boot stomps on a ship's railing. The youth replies with a small smile during later discussion among the group.21
Major battles
Snowy battlefield
The snowy battlefield erupts with crisscrossing impact lines as the army clashes. Deuce wrapped in bandages and cloak questions what Ace sees while gripping his sword. Ace declares the goal has always been the pinnacle of the ocean.22
Deuce in black mask and light hair smiles faintly with closed eyes in close-up. Deuce close-up shows sweat drops and intense gaze with furrowed brows. Voice from boat calls out to Deuce.2324