If you like good Dark Souls environments and puzzles, this is definitely the DLC for you. There aren't a whole slew of new items, weapons, or spells but keep in mind that this is one of three announced DLCs, there will be more to come. Check out Crown of the Sunken King before I go ahead and beat it for a fourth time. I'd say it takes about 2-4 hours your first time.
So yeah, enjoy the comedic art aspects of this game and don't expect it to be what it portrays itself as – a real dating sim about birds. The overall short experience is a bit disappointing, but I'm uncertain just how much pigeon dating one person can take.