Bacon's manuscript: "The rainbow's treasure is a golden moon, burning sun, old forest, royal garden, ocean's color, drop of blood and from the sky to rebirth".
How to GetEdit
After completing the Cave Temple and Ancient Ruins quest, have received the Codex of Lurie, and have received Amon, go to the world map and examine the Erotic Book. Select Nemeton and speak with Roger Bacon. Exchange the Erotic Book for the Pulse Tract.
A manuscript used to summon the Seraphic Radiance.