The Sickness

Wild Ride was a virtual representation of one of Bayek's genetic memories, relived by Layla Hassan through the Portable Animus HR-8.

Description
People are dying from a mysterious sickness in the Euhemeria slums. Locals have started burning the dead, cursing them for eternity.

Outcome
Bayek discovered the source of the illness and eliminated the ones responsible.

Reference

 * Assassin's Creed: Origins