You know, this is kind of one of the least different stages between the original Shovel Knight and Specter of Torment... I mean, it is still very different with whole new rooms and obstacles, but many of the same ones show up too, as Specter Knight has to traverse them a whole lot differently, such as the angler fish mini-boss.
Specter Knight is also a little too good at fighting bosses sometimes. The poor knights do not even really get a chance to fight back once you have the correct tools! I am sure Treasure Knight had a few more tricks to show but uhh... welp!