A Pharaoh's Shadow was a visual representation of one of Bayek's genetic memories, relived by Layla Hassan through the Portable Animus HR-8.
Only by facing the Keeper of Harmony and Balance om the earthly realm can Bayek defeat him in the afterlife.
Bayek found the apparition of Ramesses and defeated him, sending him back to the afterlife.
- Bayek: The earth quakes. Take your place amongst the gods, Ramesses.
Bayek defeated the apparition of Ramesses.