PlayDevil's Gamescom coverage keeps flowing!
Here is a snippet:
"You also have 3 ‘personas’, which changes gameplay significantly. You get the Assassin (default), aristocrat, and servant, which are unlocked using the economy system. Each persona changes the stats, reaction from the crowd and guards, and blend options available, opening up new ways to escape or to complete the story missions, which are slated to last for 10-15 hours."