DANTE SPOILER!

Dante
DA

Fullmetal Alchemist · Antagonist

Exists only in the 2003 anime. Not in the manga. Not in Brotherhood. Entirely original to this version and the reason the second half of the series goes where it goes. An ancient alchemist who has extended her life across centuries by transmuting her soul into successive host bodies, each one discarded when it decays. Connected to Hohenheim in ways the show reveals across the back half of the series. The true architect of everything the homunculi have been doing and the answer to the question the series spends 40 episodes building toward. The 2003 anime lives or dies on whether you accept her as a final villain. It earns it.
6 CONNECTED LORE ENTRIES

DANTE THROUGH THE ARCHIVE //

HOMUNCULI - 2003 //

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Red Stones Keep the Homunculi Functioning

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Dante supplies the shortcut

The Homunculi consume Red Stone material, tying their continued power to the same incomplete Philosopher's Stone technology the brothers encounter elsewhere.

Dante's access to that resource gives her leverage over beings who are extraordinarily difficult to kill but are not actually free from dependence.
Why it matters
Their apparent immortality hides another dependency. The Homunculi look like they escaped human limits, yet their existence still relies on somebody controlling access to the thing that sustains them.

Becoming Human Is the Perfect Promise Because Nobody Can Verify It

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The Philosopher's Stone as bait

Dante tells the Homunculi that a completed Philosopher's Stone can make them human. That promise gives beings born from failed resurrection a reason to help create the conditions for another Stone.

Whether Dante ever intends to deliver is almost beside the point. The promise keeps their desire aimed toward her machinery.
Why it matters
The Homunculi manipulate humans with false miracles while Dante manipulates the Homunculi with one of their own.

Lust Breaking Away Is More Dangerous Than Greed Running Away

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The question changes from freedom to identity

Greed openly rejects Dante and becomes an enemy. Lust's break is quieter and more threatening because she starts doubting the premise that made obedience worthwhile.

By the final arc she is willing to help Edward because becoming human has stopped meaning whatever Dante says it means.
What changed
The conspiracy begins losing control not because the Homunculi become weaker, but because they become more capable of choosing what they believe.