The 'ac origins modern day story' ties into the overall Assassin's Creed lore in multiple ways. First, it gives a historical context to the modern - day struggle. The events in ancient Egypt set the stage for the eternal battle between the Assassins and the Templars. Second, it shows the evolution of the Assassin Brotherhood. The values and practices that Bayek adhered to in Origins have been passed down and modified over time, and the modern - day story helps to trace that lineage. Also, it provides insights into the role of the Pieces of Eden throughout history, from their use in ancient times to their significance in the modern - day power struggle.
The 'ac origins modern day story' is connected to the overall Assassin's Creed lore as it reveals more about the First Civilization's influence. In Origins, we see the roots of many things that are still relevant in the modern - day Assassin - Templar war. For instance, the way the power dynamics and the search for knowledge began in ancient Egypt and how it has evolved over time, which is all part of the greater lore.
It connects by adding another layer to the long - standing conflict between the Assassins and the Templars. The events in 'ac origins modern day story' show the origin of certain elements that are crucial in the overall lore, like the development of Assassin techniques or the discovery of important artifacts.