I like they brought the same actors back. That is the one that usually ruins sequels, is when the actors are different.
Kind of funny i guess with mixed up depictions of good vs evil and something else that made this movie a good one, the romantic connections between Cole and the 2 girls.
The topic of Satanic cult has become more prevalent in horror movies over time. It is maybe one way how they are showing us the presence of satanism in hollywood for example. In a way sympathises with the choice some prominent individuals in society make, will make to sell their souls.
They may sound like gibberish to a lot, but some may understand.