What made the Apple of Eden most compelling in Assassin's Creed?

The Apple of Eden
Assassin's Creed (2007)
Assassin's Creed
Games
The Apple of Eden poll options
The Apple of Eden
Assassin's Creed (2007)
Assassin's Creed
- Its mind-control power
- The First Civ mystery
- Al Mualim's betrayal
- The moral gray area