Just picked up the entire DLC at half price and I gotta say I would be disappointed if I bought it at full price. The abilities are a very fun addition to the game, but there are still certain things I don't like.
For example, the citizen "missions." I feel these are just a half-assed, throw-in to artificially extend the playtime. And then there's the dreaded constraints. I feel like I focus more on the damn constraints than I do the story and what I actually have to do for the mission. Especially when I have to re-do the whole mission again because I got too far ahead and it loaded the cutscene before I could complete the constraint.
If they have constraints in the next AC, the least they could do is let you load starting at the correct checkpoint.
All in all I still had fun with it. Liked how it ended.
"Things you might say if you flunked Intro Probability & Statistics: 'Everything happens for a reason.' "
- Neil deGrasse Tyson