Either he's been busy, hasn't recorded a good video of it, or it just didn't pan out.
The odd thing is that this review does talk about a lack of enemy variety-- not something I'd really complain about myself. You do encounter quite a few repeats, but the number of unique enemies in this game does actually approach Symphony of the Night levels. SotN is, of course, the game that features enemies that only ever show up in one room.