Hybrid

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"The blood flowing through you has the power to raze kingdoms, to alter the course of entire civilizations... You could burn this world."

―Pactyas to Kassandra about her potential powers, c. 429 BCE.

Hybrids, also referred to derisively by the Order of the Ancients as Tainted Ones, were a humanoid species directly descended from those Isu who chose to interbreed with their human workforce. As a result of this interbreeding, hybrids were born without the artificial neurotransmitters that forced humanity's subservience to their Piece of Eden-wielding Isu overlords.

History

Adam and Eve escaping Eden after stealing an Apple

The only known hybrids were Adam and Eve, whose abilities to disobey the Isu's commands led to Human-Isu War in 75,010 BCE.

Over the subsequent generations, the hybrids and their offspring were assimilated into the general human population. Consequently, the concentration of Isu DNA in their own genome became diluted with each generation.

During the 5th century BCE, the Order of the Ancients started referring to humans directly descended from the hybrids—and as such, the Isu—who possessed extraordinary skills and abilities with the epithet "Tainted Ones", despising these traits and considering such individuals as being "less than human".

In Ancient Greece, several such individuals were recognized by the greater human population and believed to be direct descendants of the gods. Because of this, individuals like Kassandra and Alexios were often referred to as a "demigod", and revered as such by people like the Worshippers of the Bloodline, a branch of the Cult of Kosmos.

Certain bloodlines directly descended from the hybrids, however, possessed fractionally higher levels of Isu DNA in their genome, resting somewhere between 0.0002% to 0.0005% for normal humans and 5 or 6% for Sages, which allowed their scions to naturally access Eagle Vision and to more fully interact with the Pieces of Eden.

Considering the abilities of people like Kassandra and the advanced knowledge and abilities shown by Sages, Adam and Eve were most likely extremely physically and mentally powerful. In the video file titled "The Truth", Adam and Eve were shown freerunning from ground level to the top of Eden extremely quickly.

Known Hybrids

• 
  Adam and Eve
  (c. 75,010 BCE)
• 
  Elpis
  (c. 75,020 BCE)
  (simulation only)

Known "Tainted Ones"

• 
  Pythagoras
  (c. 570 – 421 BCE)
• 
  Leonidas I
  (c. 540 – 480 BCE)
• 
  Myrrine
  (fl. 5th century BCE)
• 
  Kassandra
  (458 BCE – 2018 CE)
• 
  Alexios
  (451 – 422 BCE)
• 
  Phila
  (died 420s BCE)
• 
  Elpidios
  (born 420s BCE)

Appearances

• Assassin's Creed II (flashback only) (retroactive)
• Assassin's Creed: Brotherhood (indirect mention only) (retroactive)
• Assassin's Creed III: Liberation (mentioned only) (retroactive)
• Assassin's Creed: Odyssey (mentioned only, as "demigod")
  • Legacy of the First Blade (mentioned only, as "Tainted Ones")
  • The Fate of Atlantis: Judgment of Atlantis (simulation only, first identified as "hybrid")
• Assassin's Creed: Valhalla
• Assassin's Creed: Forgotten Temple (flashback only)
• Cike Xintiao: Chang'an Wang
• Assassin's Creed Roleplaying Game