Book: Warning!

This book can be found on Azura Island inside the Giant-Rat Den.
 * When you enter the cave, follow the right most path until you reach the dead-end
 * The back wall is covered in vines. Go through the vines to find the hidden room with the book.

Usage
Starts Quest:

Lore
The book speaks about Chaos Magic and about how unstable it can be. Chaos magic is indeed forbidden in Tirawyn, but it wasn't always. During The Mage Wars humans discovered Chaos Magic in order to be used against the Moon Elves.