Spellbook

From itch.io:

In this solo journaling game, you will create a sentient Spellbook that passes from Witch to Witch, growing and changing as it does. With the help of accompanying tables, you will compose Spells and describe the Witches and Coven who come into possession of the book over time, detailing their shared history. As with any solo journaling game, this is meant to be a guide for your creativity, so feel free to use or ignore the rules as you please over the course of play.