
This article includes major spoilers from the Elbaf arc in One Piece, and contains elements of speculation based on the series’ lore.
Article Summary
- The D people are linked to the Full-Moon inhabitants who settled both the moon and Earth.
- It is hypothesized that the D people are descendants of the Half-Moon people, resulting from the intermingling of moon-dwellers and Earthlings.
- The D lineage acquired superior technology from the Sky Races, contributing to the formation of the Ancient Kingdom.
Navigation
The identity of the D people remains one of the most enigmatic elements in the expansive universe of One Piece. From the very start, Monkey D. Luffy introduced the audience to the captivating mystery surrounding the initial ‘D.’ As the storyline unfolds, more characters bearing this initial emerge, fueling further curiosity and speculation regarding its significance. Among those expressing interest in this riddle is Nico Robin, who searches for the deeper meaning behind the ‘D.’ Although knowledge of this secret is confined to the Roger Pirates, clues have been sprinkled throughout the narrative, especially in the context of recent chapters, like Chapter 1138, which uncovered compelling insights into the D lineage.
The Full-Moon People — The Sky Races from Birka



To grasp the essence of the D people, it’s crucial to explore the origins and significance of the Full-Moon people, also known as the Sky Races, as these elements are closely intertwined. Notably, the Sky Races do not have their roots on Earth, referred to as the Blue Star in the One Piece narrative. While the moon harbors numerous mysteries, it is home to the Winged Races, including the Shandorians, Birkans, and Skypieans, who once thrived in the city of Birka. They are credited with the creation of the automata, and it’s feasible that the Lunarians also shared this moon-dwelling history.
The Settlement on Earth: The Blue Star
As resources on the moon dwindled, these races sought new lands to sustain themselves, leading them to the Blue Star. Upon arrival, they established various settlements across the Earth. The Skypieans founded their Sky Island, Skypiea, while the Birkans built their city, also named Birka, to the northwest. The Lunarians created the City of God atop the Red Line, and the Shandorians settled in Jaya on the Blue Sea.
Birka, once a hub of innovation, faced destruction at the hands of Enel eight years ago after he seized the power of the Goro Goro no Mi, erasing its existence. Subsequently, he proclaimed himself as God in Skypiea.
Even though the three Winged Races occupied different regions, it is highly likely they brought with them extraordinary technological expertise that they effectively utilized on the Blue Star, thus laying the groundwork for the emergence of the D people.
The Half-Moon People and the Kingdom of the D
The D People Stem from the Half-Moon People




Currently, the true nature of the D people in One Piece remains partially obscured. Oda has yet to fully dissect this element, but via observation and theorizing, fans have begun to piece together foundational concepts surrounding them. By examining the lore of the Moon people and insights from the Harley, which articulates narratives regarding the Three Worlds, we can begin to bridge the gaps.
First World
In a land consumed by flames, humanity dare defied natural laws, seeking the forbidden Sun. As the oppressed called out, the Sun God revealed himself amidst fury, while the Earth God, ignited by anger, along with the infernal serpent, cast shadows of death over the world, marking an irrevocable end.
Second World
Life stirred in the void, as the Forest God unleashed chaos. The Sun, indifferent, spread carnage, while the inhabitants of both half-moon and full-moon flourished in dreams. As humanity ascended to godhood by slaying the Sun, turmoil ensued, and the Sea God was enraged. They would forever be divided.
Third World
Amid chaos, a void emerged; shadows held memories of promised reunions whilst hearing fractured moon calls. The Sun God frolicked, heralding doom, yet prophesied the return of the Sun, signaling hope for a rebirth, yearning for connection once more.
Fans may wonder how the D people correlate with this narrative outlined in the Harley. The connection is straightforward: the D people are directly descended from the Half-Moon inhabitants. Considering that the full moon embodies wholeness, the half-moon translates to ‘D.’ This indicates that the D lineage stems from those who are not entirely Moon-dwellers, but rather hybrids. Ultimately, the intermingling of the inhabitants of Fairy Vearth with those from the Blue Star likely resulted in the formation of the Half-Moon people, or D people. Given that the Shandorians settled in the Blue Sea, it is plausible to assert that Luffy and all other D individuals hold Shandorian ancestry, leading to the intriguing notion that Luffy could be seen as half-alien compared to Earthlings.
The Technological Prowess of the D

It is essential to recognize that the Full-Moon inhabitants were technologically advanced, exemplified by the sophisticated city of Birka on the moon. This technological heritage played a role in the establishment of the Ancient Kingdom, which boasted disruptive advancements compared to the rest of the world. The fundamental challenge for the Sky Races was a resource deficiency on the moon; however, their encounter with the Blue Star, rich in resources, led them to create an eternal energy source known as the Mother Flame—a fact corroborated by Vegapunk, who noted a sun-like undying power source existed in the past.
The downfall of the Ancient Kingdom transpired as various nations targeted its unrivaled power and technological expertise, culminating in the notorious War of the Void Century.
For those eager to delve into the thrilling adventures of One Piece, the series is available for reading through Viz Media, as well as being accessible for free via the Shonen Jump and Manga Plus platforms. Fans can anticipate the release of the next chapter, One Piece 1139, scheduled for February 9, 2025.
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