On the night of a witch or warlock's sixteenth birthday, he or she has to pledge allegiance to the Dark Lord in a ceremony known as a dark baptism. There, the witch or warlock has to sign their name in the Book of the Beast with their own blood with a bone quill. Once this has occurred, the witch or warlock is forever bound in servitude to the Dark Lord.
The Book of the Beast is not always called upon during a witch or warlock's dark baptism. Sabrina Spellman was able to sign her name in the book even after she initially refused to do so on her sixteenth birthday. However, it should be noted that the Dark Lord specifically sent Madame Satan to manipulate Sabrina into choosing the Path of Night, so using the Book of the Beast outside of dark baptisms might be rare.
Throughout Chilling Adventures of Sabrina
The Book of the Beast was present at the dark baptism of Sabrina Spellman. As Father Blackwood guided Sabrina into signing her name in the book, she realized that she did not want to give up her mortal life and follow the Path of Night. Subsequently, Sabrina decided to flee from her dark baptism.
- ↑ Aguirre-Sacasa, Roberto (writer) & Krieger, Lee Toland (director) (October 26, 2018). "Chapter Two: The Dark Baptism". Chilling Adventures of Sabrina. Part 1. Episode 2. Netflix.
- ↑ Maxwell, Ross (writer) & Seidenglanz, Rob (director) (October 26, 2018). "Chapter Three: The Trial of Sabrina Spellman". Chilling Adventures of Sabrina. Part 1. Episode 3. Netflix.
- ↑ Aguirre-Sacasa, Roberto & Maxwell, Ross (writers) & Seidenglanz, Rob (director) (October 26, 2018). "Chapter Ten: The Witching Hour". Chilling Adventures of Sabrina. Part 1. Episode 10. Netflix.