Sorry, I can’t write properly atm cus I’m on my phone.
For starters, Paris is one of the most beautifully realized environments that Ubisoft has ever done. To this day, it’s still the most gorgeous, and detailed AC game.
Beyond that, it brought real stealth gameplay back to AC. They overhauled the parkour system, to give you more freedom than you’ve had in any game since AC1, and also making it look the coolest it’s ever looked. The mission structure provides you with great freedom on how to tackle your association targets, and include some cool unique kill opportunities. And to top it all of, it’s the only AC game in the last decade or so that actually provided some challenge. The combat was slower, but had a real nice satisfying weight to it, and ya....you could actually die while playing it, unlike every other AC game, in which you’re practically god.
I agree, Unity and Syndicate could be my favorites after Black Flag.
18th century Paris and 19th century London are my favorite scenarios with beautiful, detailed and colorful buildings and there are a lot of different mission types.
Especially the detective missions "Murder Mysteries" and "Dreadful Crimes" were totally different from all the action and told some nice stories.