Fullmetal Alchemist Codexery

Homunculi

Artificial humans born from sin, seeking to become gods through human transmutation.

The Homunculi are artificial humans created through forbidden alchemy, serving as the primary antagonists in the series. Born from the flesh and blood of a singular being known only as Father, each embodies one of the seven deadly sins. They operate as elite enforcers tasked with securing the resources needed for a grand transmutation that threatens to reshape the world of Amestris. Unlike standard alchemical creations, these beings possess immense power and regenerative capabilities sustained by consuming souls within Philosopher's Stones embedded in their bodies. Their existence is rooted in the ultimate taboo of creating life without God's permission, making them dark reflections of humanity's desire for divinity.

Origin
Artificial Creation
Leader
Father (Pride)
Affiliation
The Grand Transmutation Circle
Goal
Complete Human Transmutation
Weakness
Destruction of Internal Core
Status
Defeated
Nature
Embodiments of Sin

Lore & Background

Their existence is rooted in the ultimate taboo of alchemy: creating life without God's permission. Unlike standard homunculi created by lesser alchemists, these beings possess immense power and immortality, sustained by consuming souls within Philosopher's Stones embedded in their bodies. They were cultivated over centuries to ensure Father’s plan would succeed across generations. Each member displays unique abilities reflecting their namesake vice, ranging from regenerative capabilities to manipulative psychological warfare. However, they are not merely mindless drones; some develop genuine emotions or question their purpose, creating friction within the group. Their connection to Truth makes them vulnerable when confronted with the laws of Equivalent Exchange, despite their god-like arrogance.

In Their Own Story

The shadows lengthened across the abandoned cathedral as Lust adjusted her gloves, red nails gleaming under the moonlight. Gluttony stood silently nearby, his massive form casting a long silhouette against the stained glass. They waited for orders from Father, but tonight, only silence answered them. A distant alchemical flare lit the horizon—the brothers had arrived. It was time to hunt.

Reader's Guide

At the apex sits Father, who embodies Pride and orchestrates the entire operation from the shadows. Directly beneath him are six other Homunculi: Lust, Envy, Greed, Sloth, Wrath, and Gluttony. Their collective goal is to facilitate a national transmutation ritual using Amestris as a filter for human souls to transform Father into a god-like entity. While most remain loyal, internal conflicts arise, particularly with Greed who defects early on due to his desire for personal gain over the group's agenda. They serve as the primary obstacle for the Elric brothers throughout their journey, testing their resolve and alchemical skills at every turn across the nation. Their presence forces the protagonists to uncover the dark history of Xerxes and the true nature of the Philosopher's Stone hidden within the military hierarchy. Ultimately, their defeat marks the collapse of Father’s regime and restores balance to the nation after centuries of manipulation. The group operates with a hive-mind connection initially but fractures as individual wills emerge during critical battles. Their impact on the conflict is absolute; without them, the conspiracy would remain hidden from public view. They represent the corruption of power and the danger of seeking divinity through human sacrifice, serving as dark mirrors to the alchemists who seek truth through equivalent exchange rather than theft.

Did You Know?

More in Factions & Groups

Elsewhere in the Fullmetal Alchemist universe

Open in the interactive codex →