Athens’ Last Hope Walkthrough
Run to Aspasia and tell her about all that. You will see Deimos after the scene; he’s the one who kills Pericles. Kill the cultists, approach the corpse.
You have to get out of Athens. Run to the docks and kill the unit of soldiers that appears there. Next-up, a cut-scene. After that, the mission will be concluded. Time to focus on finding the protagonist’s mother.