Wow. That's pretty funny.
Regardless of their basketball team status, I think their first two albums are worthy of B+/A- status. "Wicca" drags on a bit in the later half and has those silly processed vocals, so I'd class it as a B+. I don't see anything wrong with "Goetia" other than it is a tad overlong, and that keeps it from being an A.
Back on topic. I was introduced to Grave Desecration the other day (similar to the bands mentioned in the OP). Geez, that shit was dull beyond belief. I appreciate the aesthetic of a lot of these bands, and most of them seem honest, but the music simply doesn't hold up in 95% of the cases to the bands they idolize.