One answer is interesting. Dozens of answers begin to tell a story.

As you use FatedWays, cards, questions, signs, dreams, choices and messages accumulate. The Book of the Soul gathers them into one personal text that grows along with the game.

In time you can look back and see what occupied you months ago, which theme kept returning, what has already closed and what still insists on being noticed.

This is the book nobody can write in advance, because its material is your own path.

The Book of the Soul is included in all three tiers.