5/5 read, I honestly enjoyed it more than the first book.
A great combination of the series' classic humor (The Mandalorian references, Defence Against the Dark Arts, Undead Fight Club, sparkling vampires, and more...) along with a deep dive into magic, the Abyss, and perhaps most importantly, character relationships.
The series imho is at its best when it balances its humor with the seriousness of Vincent losing his humanity while still trying to do good in the world, and I think this book nailed that balance. Exploring his relationships with his daughter, children, familiars, students... And that ending was just amazing, it was the perfect ending point for a character arc that also promised a lot more to come.
Of course, there was also plenty of awesome action, magical and physical combat, skills, levelling up, and all that LitRPG glory that we fans adore and love. This especially picks up in the book's third act as the stakes ramp up massively, setting up what seems like a major threat for the next book while also providing plenty of tension in this one.
Overall, a fantastic read, and I cannot wait for Book 3. I need it ASAP.