The Redemption Lives Up to Its Name
It figuratively kills me to say this, but The Tyranny of King Washington's final chapter "The Redemption" does redeem the DLC as a meaningful addition to Assassin's Creed III. It does this in two general ways -- first, it includes more of the content that made the core game experience great: a naval warfare mission, and a mission to do odd liberation tasks around New York. Second, it polishes the Tyranny formula thus far: not only adding a new, cool spirit animal power - a Bear Stomp which allows you to blow away nearby enemies, and damage fragile structures - but also implementing more finely-tuned opportunities for using last chapter ("The Betrayal")'s Eagle Flight power. This is easily the best iteration of AC3's DLC adventure.
And - in a series first - this adventure has a good ending. The whole story is totally divorced from the modern-day Desmond plot, which is helpful; but it actually ends up relating to the core game's plot in a really fascinating and informative way.
Really, The Redemption's only significant downfall is that it isn't as varied and content-rich as the core game. So considering it's DLC, that's pretty good!
Better than: the previous Infamy and Betrayal chapters of Assassin's Creed III: The Tyranny of King Washington
Not as good as: Assassin's Creed III
I dunno if this is possible, but: if it is possible to buy The Redemption and skip the previous two Tyranny episodes, that would really be my recommendation. (Given that, you might be a bit lost using the Wolf and Eagle powers.)
Progress: Finished campaign, 62% Tyranny of King Washington completion.