Paul Farquhar
Legend
It's not a mistake, it's the change of stat block format since the Monster Manual was printed. "Angel" is no longer a valid subtype.The other Angel stat blocks have it, so it just feels like a sloppy mistake.
And I think a setting book should have been done, then the adventures in a seperate book.
![Man shrugging :man_shrugging: 🤷♂️](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f937-2642.png)