What fictional artifact is the Apple of Eden in Assassin's Creed?

The Apple of Eden is a Piece of Eden in Assassin's Creed.

Pieces of Eden are powerful artifacts created by the Isu, the precursor civilization that existed before recorded human history in the series' mythology. The Apples are among the best-known examples. They can influence minds, create illusions, and interact with advanced technology, making them valuable to both the Templars and the Assassins.

The series presents multiple Apples of Eden rather than treating every appearance as one single object. Their effects vary by story and game, but their importance comes from their Isu origin and their ability to affect human perception and behavior.

The Apple should not be confused with the Animus, which is a machine used to access genetic memories. It is also not a Templar seal or an ordinary religious relic. The phrase “Piece of Eden” is the broader category, while an Apple of Eden is one specific type within that category.