Traces of Ancient Book

Traces of Ancient Book is a Secret that allows the obtainment of certain Manuals. It can appear naturally over time, or be semi-forced by spamming Derivative Calculation.
==Secret details==
The details of the Secret are as followsSettings\MapStories\MapStory_Special.xml: 
===Traces of Ancient Book (Secrets_Esoterica1)===
*Divine the book's location: If Derivative Calculation or Universal Foresight Miracle is learned:
**Obtain Manual if Luck >= a random number between 1 and 3
**Nothing otherwise, clears Secret.
*Search around: If neither of the two Miracles are learned:
**Obtain Manual if Luck >= a random number between 5 and 8
**Nothing otherwise, clears Secret.
==Rewards==
A random Manual from the Alchemy Recipes, Talisman Recipes, Location Manuals Item Cache.
==References==
Category:Secrets
Category:Events